PCBTok is Your Unparalleled Halogen-Free PCB Supplier

PCBTok is one of the notable and renowned manufacturers in China due to its premier Halogen-PCB products and exceptional customer service. We treasure and respect our consumers.

  • Professional assistance is accessible around the clock.
  • Provide a free sample before completing a large purchase.
  • Terms of payment vary based on the purchase.
  • We’re constantly ready to aid you with your personalized PCBs.
  • Keep track of your area’s working hours and provide time estimates.
Get Our Best Quotation
Quick Quote

PCBTok: Your Halogen-Free PCB is Perfected and Refined

PCBTok has been in the industry for more than twelve years, and we are renowned for our competence in producing Halogen-Free PCBs all over the globe. In addition, depending on your purpose, we can provide a range of Halogen-Free PCBs.

We seek to deliver a low-cost product without compromising quality, and our primary goal is to leave you with a positive impression of our service.

To learn more about Halogen-Free PCB, please contact us.

Due to our competence in supplying Halogen-Free PCBs, we have received numerous compliments globally. Should you have any designs ready, reach us out and we’ll be glad to actualize that for you!

Read More

Halogen-Free PCB By Feature

Rigid-Flex Halogen-Free PCB

Rigid-Flex PCB is the appropriate fit for your operations if you’re seeking a specialized Halogen-Free PCB that’s the ultimate answer for demanding and space constraints situations; typically used in equipment with immobile industrial machinery.

Flexible Halogen-Free PCB

Flexible PCBs are the optimum choice of PCB for tremendous temperature and dense operations. One of its strengths is its mobility. It can also eliminate space-constrained components, in addition to its adaptability.

Prototype Halogen-Free PCB

A Prototype PCB is simply generated throughout the PCB building design phase. After consumers send their Gerber file to us, we can disclose this to them so that they can evaluate if the model fits the essential criteria they’re looking for.

OEM Halogen-Free PCB

If you’re intending or considering selling your products to other organizations or businesses that can utilize them in retail goods, OEM Halogen-Free PCB is an essential option. As something of an illustration, we can create your raw hard drives.

Customized Halogen-Free PCB

Customized Halogen-Free PCB, as the name suggests, is designed around your concepts and ideas. Consumers normally desire the latest technological items as they are launched. Taconic is a unique substance that we may employ exclusively for this.

FR4 Halogen-Free PCB

We have a UL accreditation for the FR4 PCB since it is regarded as a flame-retardant substance, and it has been extremely established, with the design specifications to withstand even the harshest implementation.

Halogen-Free PCB By Layers (5)

  • 4-Layer Halogen-Free PCB

    The 4-Layer PCB is comprised of two innermost layers, that is currently situated among the top and bottom of the board. A prepreg layer offers capacitance amongst layers in the interface. This is suitable for use on mobile phones.

  • 6-Layer Halogen-Free PCB

    The 6-Layer PCB has six layers of electronic circuit composition. It’s essentially a four-layer PCB with two signal sheets appended in between linkages. Suitable for applications that require high-speed connectivity.

  • 8-Layer Halogen-Free PCB

    An 8-Layer PCB is already considered a multilayer board with four transmission sheets and four securely layered planes. It’s widely used in small resource-constrained devices space, such as commercial products.

  • 10-Layer Halogen-Free PCB

    Due to its capability to accommodate multiple connectivities, the 10-Layer PCB is among the most desirable layer for Halogen-Free PCB. To reach the full capability of its robust e-glass substance, it is oriented to be easily modified.

  • 16-Layer Halogen-Free PCB

    As the name indicates, a 16-layer PCB is considered already as a multilayer board that encompasses 10 routing layers. This specific layer is perfectly suited for programs that demand a swiftly smooth, densely-populated Halogen-Free PCB.

Halogen-Free PCB By Types (6)

  • V-Scored Halogen-Free PCB

    A V-Scored PCB can indeed be produced in large quantities at a very affordable price. They were also divided into separate using V-cutting equipment, as the name implies. This procedure usually produces trustworthy boards.

  • BGA Halogen-Free PCB

    Surface-mount set includes BGA Halogen-Free PCBs. It is often used in electronic components that necessitate structured wiring, such as microprocessors. A BGA is a type of SMD element with connectors on the bottom of the device.

  • Power Halogen-Free PCB

    A Power Halogen-Free PCB is encouraged for components that require AC and DC inverter topology. Furthermore, microcontroller boards have sometimes been even included in the consideration because they have been used in commercial applications.

  • HDI Halogen-Free PCB

    As a result of numerous devices demanding a greater cabling density per PCB, the HDI PCB was created to meet this need. Thus, it should be on your list of vital electronic components; these circuit boards enable a faster transmission rate of flow.

  • Embedded Halogen-Free PCB

    An Embedded PCB contribute to the development of first-rate components, and the Embedded  PCB enables users to optimize their capacity. Surface Mounting Technology is often used to carry out this specific procedure.

  • Hard Gold Halogen-Free PCB

    The Hard Gold PCB is a gold-plated PCB. Compared to others, this sort of electroplating is more difficult to solder due to its hardness and resistance to contact. It can, however, be employed in situations that do not need gluing.

Benefits of Halogen-Free PCB

There are numerous advantages to using Halogen-Free PCBs in your operations. However, it is critical to recognize that halogen is more than just a substance. Fluorine, chlorine, bromine, iodine, and astatine are among the constituent gases that make up this material.

When PCBs are dumped off, they emit harmful compounds into the ecosystem, causing contamination. Furthermore, some PCB materials may be harmful to one’s health.

Nevertheless, Halogen-Free PCB is special since it does not constitute the same environmental concern. As a result, it’s a good indication that this is ideal for ecologically conscious consumers.

Benefits of Halogen-Free PCB
Competent Halogen-Free PCB Producer

Competent Halogen-Free PCB Producer

We have the adequate materials to generate premium Halogen-Free PCB. As a leading manufacturer in the industry, we have optimized the production of our PCBs.

PCBTok’s capability as a full-service PCB manufacturer has gradually developed for over a decade. We have a well-organized and orderly approach to creating your Halogen-Free PCB. In the video, PCBTok demonstrates its genuine care about your product, just as we appreciate you as consumers.

We ensured that it undergoes a rigorous system to ensure that the goods delivered to your doorstep are of the best standard.

PCBTok’s Halogen-Free PCB Characteristics

Owing to our PCB production capabilities, PCBTok can fulfill any Halogen-Free board specifications you demand. Some of the qualities of a Halogen-Free PCB that we can conceivably build for you are listed below.

  • Fiberglass Epoxy Resin and Polyimide Resin are being used as foundation materials.
  • 4 mm to 6.5 mm recommended panel width
  • Dielectric Layer Thickness Threshold: 2 mil
  • 5 mil is the least line thickness
  • Green, White, Blue, Black, Red, and Yellow are the colors of the solder mask.
  • Standard IPC 2 quality rating.

Should you have any queries concerning specific characteristics, reach out!

PCBTok’s Halogen-Free PCB Characteristics

PCBTok’s Exceptional Halogen-Free PCB

PCBTok’s Exceptional Halogen-Free PCB
PCBTok’s Exceptional Halogen-Free PCB

PCBTok’s facilities have over 500 employees operating to ensure that your Halogen-Free PCB is error-free and that it goes through a thorough procedure to ensure outstanding PCB performance.

We have always strived to provide you with only the finest; we do not want to provide you with a mediocre product, we strive for perfection concerning PCBs.

PCBTok also provides a 24-hour turnaround service. So, if there are any mishaps conducted by us, we will immediately fix that for you.

We have exceptional people on staff to facilitate you 24/7. Inquire with us right away, and we’ll discuss it!

Halogen-Free PCB Fabrication

Production Equipment Halogen-Free PCB

After more than a decade in the lucrative circuit board industry, we have gained valuable knowledge in our PCB production process.

We utilize adequate resources to perfect your desires. PCBTok’s always versatile when it comes to your customized Halogen-Free PCB.

PCBTok always ensures that your products pass function tests in order to attain optimum quality results.

Relative humidity tests are also done comprehensively. The evaluations also include electrical testing, wave soldering, SMT, and PTH.

Production System Halogen-Free PCB

PCBTok ensures that all Halogen-Free PCBs go through a rigorous quality control process to verify that they satisfy our strict requirements.

PCBTok can obtain a flawless sensor ratio by utilizing high-performance PCBs. This also appears to apply to Halogen-Free PCBs.

If you opt for Rogers, Ventec, NanYa, or so on, you can demand complex conducting polymers.

Through PCBTok’s assistance, your Halogen-Free PCB will be suitable for components and technologies that require higher current.

OEM & ODM Halogen-Free PCB Applications

Halogen-Free PCB for Automobile Applications

If searching for appropriate PCB for automotive use, Halogen-Free PCB is the way to go. Halogen pollution is dangerous to humans, so it should be prevented.

Halogen-Free PCB for Mobile Phone Applications

Considering mobile phones demand high-speed data transfer, Halogen-Free PCBs are encouraged for such purposes. It is also cost effective to utilize.

Halogen-Free PCB for Wireless Applications

Wireless applications can be configured with Halogen-Free PCBs, enabling for an accurate response to a fast internet access; wireless connections necessitate high-speed connectivity.

Halogen-Free PCB for Satellite Applications

Satellite-specific technologies demand better encapsulation as well as excellent power performance. Halogen-Free PCBs provide superior shielding, thus making it famous for consumers.

Halogen-Free PCB for High-Speed Applications

Halogen-free PCB can be used to attain maximum speed PCB, which is considered necessary in optical fiber connections. Halogen-Free PCB will optimize connectivity by using proper PCB pile.

Halogen-Free PCB
PCBTok - China’s Superlative Halogen-Free PCB Retailer

We deliver only the greatest products and services to our customers

We don’t settle for mediocrity, we strive for the best

Halogen-Free PCB Production Details As Following Up

NO Item Technical Specification
Standard Advanced
1 Layer Count 1-20 layers 22-40 layer
2 Base Material KB、Shengyi、ShengyiSF305、FR408、FR408HR、IS410、FR406、GETEK、370HR、IT180A、Rogers4350、Rogers400、PTFE Laminates(Rogers series、Taconic series、Arlon series、Nelco series)、Rogers/Taconic/Arlon/Nelco laminate with FR-4 material(including partial Ro4350B hybrid laminating with FR-4)
3 PCB Type Rigid PCB/FPC/Flex-Rigid Backplane、HDI、High multi-layer blind&buried PCB、Embedded Capacitance、Embedded resistance board 、Heavy copper power PCB、Backdrill.
4 Lamination type Blind&buried via type Mechanical blind&burried vias with less than 3 times laminating Mechanical blind&burried vias with less than 2 times laminating
HDI PCB 1+n+1,1+1+n+1+1,2+n+2,3+n+3(n buried vias≤0.3mm),Laser blind via can be filling plating 1+n+1,1+1+n+1+1,2+n+2,3+n+3(n buried vias≤0.3mm),Laser blind via can be filling plating
5 Finished Board Thickness 0.2-3.2mm 3.4-7mm
6 Minimum Core Thickness 0.15mm(6mil) 0.1mm(4mil)
7 Copper Thickness Min. 1/2 OZ, Max. 4 OZ Min. 1/3 OZ, Max. 10 OZ
8 PTH Wall 20um(0.8mil) 25um(1mil)
9 Maximum Board Size 500*600mm(19”*23”) 1100*500mm(43”*19”)
10 Hole Min laser drilling size 4mil 4mil
Max laser drilling size 6mil 6mil
Max aspect ratio for Hole plate 10:1(hole diameter>8mil) 20:1
Max aspect ratio for laser via filling plating 0.9:1(Depth included copper thickness) 1:1(Depth included copper thickness)
Max aspect ratio for mechanical depth-
control drilling board(Blind hole drilling depth/blind hole size)
0.8:1(drilling tool size≥10mil) 1.3:1(drilling tool size≤8mil),1.15:1(drilling tool size≥10mil)
Min. depth of Mechanical depth-control(back drill) 8mil 8mil
Min gap between hole wall and
conductor (None blind and buried via PCB)
7mil(≤8L),9mil(10-14L),10mil(>14L) 5.5mil(≤8L),6.5mil(10-14L),7mil(>14L)
Min gap between hole wall conductor (Blind and buried via PCB) 8mil(1 times laminating),10mil(2 times laminating), 12mil(3 times laminating) 7mil(1 time laminating), 8mil(2 times laminating), 9mil(3 times laminating)
Min gab between hole wall conductor(Laser blind hole buried via PCB) 7mil(1+N+1);8mil(1+1+N+1+1 or 2+N+2) 7mil(1+N+1);8mil(1+1+N+1+1 or 2+N+2)
Min space between laser holes and conductor 6mil 5mil
Min space between hole walls in different net 10mil 10mil
Min space between hole walls in the same net 6mil(thru-hole& laser hole PCB),10mil(Mechanical blind&buried PCB) 6mil(thru-hole& laser hole PCB),10mil(Mechanical blind&buried PCB)
Min space bwteen NPTH hole walls 8mil 8mil
Hole location tolerance ±2mil ±2mil
NPTH tolerance ±2mil ±2mil
Pressfit holes tolerance ±2mil ±2mil
Countersink depth tolerance ±6mil ±6mil
Countersink hole size tolerance ±6mil ±6mil
11 Pad(ring) Min Pad size for laser drillings 10mil(for 4mil laser via),11mil(for 5mil laser via) 10mil(for 4mil laser via),11mil(for 5mil laser via)
Min Pad size for mechanical drillings 16mil(8mil drillings) 16mil(8mil drillings)
Min BGA pad size HASL:10mil, LF HASL:12mil, other surface technics are 10mil(7mil is ok for flash gold) HASL:10mil, LF HASL:12mil, other surface technics are 7mi
Pad size tolerance(BGA) ±1.5mil(pad size≤10mil);±15%(pad size>10mil) ±1.2mil(pad size≤12mil);±10%(pad size≥12mil)
12 Width/Space Internal Layer 1/2OZ:3/3mil 1/2OZ:3/3mil
1OZ: 3/4mil 1OZ: 3/4mil
2OZ: 4/5.5mil 2OZ: 4/5mil
3OZ: 5/8mil 3OZ: 5/8mil
4OZ: 6/11mil 4OZ: 6/11mil
5OZ: 7/14mil 5OZ: 7/13.5mil
6OZ: 8/16mil 6OZ: 8/15mil
7OZ: 9/19mil 7OZ: 9/18mil
8OZ: 10/22mil 8OZ: 10/21mil
9OZ: 11/25mil 9OZ: 11/24mil
10OZ: 12/28mil 10OZ: 12/27mil
External Layer 1/3OZ:3.5/4mil 1/3OZ:3/3mil
1/2OZ:3.9/4.5mil 1/2OZ:3.5/3.5mil
1OZ: 4.8/5mil 1OZ: 4.5/5mil
1.43OZ(positive):4.5/7 1.43OZ(positive):4.5/6
1.43OZ(negative ):5/8 1.43OZ(negative ):5/7
2OZ: 6/8mil 2OZ: 6/7mil
3OZ: 6/12mil 3OZ: 6/10mil
4OZ: 7.5/15mil 4OZ: 7.5/13mil
5OZ: 9/18mil 5OZ: 9/16mil
6OZ: 10/21mil 6OZ: 10/19mil
7OZ: 11/25mil 7OZ: 11/22mil
8OZ: 12/29mil 8OZ: 12/26mil
9OZ: 13/33mil 9OZ: 13/30mil
10OZ: 14/38mil 10OZ: 14/35mil
13 Dimension Tolerance Hole Position 0.08 ( 3 mils)
Conductor Width(W) 20% Deviation of Master
1mil Deviation of Master
Outline Dimension 0.15 mm ( 6 mils) 0.10 mm ( 4 mils)
Conductors & Outline
( C – O )
0.15 mm ( 6 mils) 0.13 mm ( 5 mils)
Warp and Twist 0.75% 0.50%
14 Solder Mask Max drilling tool size for via filled with Soldermask (single side) 35.4mil 35.4mil
Soldermask color Green, Black, Blue, Red, White, Yellow,Purple matte/glossy
Silkscreen color White, Black,Blue,Yellow
Max hole size for via filled with Blue glue aluminium 197mil 197mil
Finish hole size for via filled with resin  4-25.4mil  4-25.4mil
Max aspect ratio for via filled with resin board 8:1 12:1
Min width of soldermask bridge Base copper≤0.5 oz、Immersion Tin: 7.5mil(Black), 5.5mil(Other color) , 8mil( on copper area)
Base copper≤0.5 oz、Finish treatment not Immersion Tin : 5.5 mil(Black,extremity 5mil), 4mil(Other
color,extremity 3.5mil) , 8mil( on copper area
Base coppe 1 oz: 4mil(Green), 5mil(Other color) , 5.5mil(Black,extremity 5mil),8mil( on copper area)
Base copper 1.43 oz: 4mil(Green), 5.5mil(Other color) , 6mil(Black), 8mil( on copper area)
Base copper 2 oz-4 oz: 6mil, 8mil( on copper area)
15 Surface Treatment Lead free Flash gold(electroplated gold)、ENIG、Hard gold、Flash gold、HASL Lead free、OSP、ENEPIG、Soft gold、Immersion silver、Immersion Tin、ENIG+OSP,ENIG+Gold finger,Flash gold(electroplated gold)+Gold finger,Immersion silver+Gold finger,Immersion Tin+Gold finge
Leaded Leaded HASL
Aspect ratio 10:1(HASL Lead free、HASL Lead、ENIG、Immersion Tin、Immersion silver、ENEPIG);8:1(OSP)
Max finished size HASL Lead 22″*39″;HASL Lead free 22″*24″;Flash gold 24″*24″;Hard gold 24″*28″;ENIG 21″*27″;Flash gold(electroplated gold) 21″*48″;Immersion Tin 16″*21″;Immersion silver 16″*18″;OSP 24″*40″;
Min finished size HASL Lead 5″*6″;HASL Lead free 10″*10″;Flash gold 12″*16″;Hard gold 3″*3″;Flash gold(electroplated gold) 8″*10″;Immersion Tin 2″*4″;Immersion silver 2″*4″;OSP 2″*2″;
PCB thickness HASL Lead 0.6-4.0mm;HASL Lead free 0.6-4.0mm;Flash gold 1.0-3.2mm;Hard gold 0.1-5.0mm;ENIG 0.2-7.0mm;Flash gold(electroplated gold) 0.15-5.0mm;Immersion Tin 0.4-5.0mm;Immersion silver 0.4-5.0mm;OSP 0.2-6.0mm
Max high to gold finger 1.5inch
Min space between gold fingers 6mil
Min block space to gold fingers 7.5mil
16 V-Cutting Panel Size 500mm X 622 mm  ( max. ) 500mm X 800 mm ( max. )
Board Thickness 0.50 mm (20mil) min. 0.30 mm (12mil) min.
Remain Thickness 1/3 board thickness 0.40 +/-0.10mm( 16+/-4 mil )
Tolerance ±0.13 mm(5mil) ±0.1 mm(4mil)
Groove Width 0.50 mm (20mil) max. 0.38 mm (15mil) max.
Groove to Groove 20 mm (787mil) min. 10 mm (394mil) min.
Groove to Trace 0.45 mm(18mil) min. 0.38 mm(15mil) min.
17 Slot Slot size tol.L≥2W PTH Slot: L:+/-0.13(5mil) W:+/-0.08(3mil) PTH Slot: L:+/-0.10(4mil) W:+/-0.05(2mil)
NPTH slot(mm) L+/-0.10 (4mil) W:+/-0.05(2mil) NPTH slot(mm) L:+/-0.08 (3mil) W:+/-0.05(2mil)
18 Min Spacing from hole edge to hole edge 0.30-1.60 (Hole Diameter) 0.15mm(6mil) 0.10mm(4mil)
1.61-6.50 (Hole Diameter) 0.15mm(6mil) 0.13mm(5mil)
19 Min spacing between hole edge to circuitry pattern PTH hole: 0.20mm(8mil) PTH hole: 0.13mm(5mil)
NPTH hole: 0.18mm(7mil) NPTH hole: 0.10mm(4mil)
20 Image transfer Registration tol Circuit pattern vs.index hole 0.10(4mil) 0.08(3mil)
Circuit pattern vs.2nd drill hole 0.15(6mil) 0.10(4mil)
21 Registration tolerance of front/back image 0.075mm(3mil) 0.05mm(2mil)
22 Multilayers Layer-layer misregistration 4layers: 0.15mm(6mil)max. 4layers: 0.10mm(4mil) max.
6layers: 0.20mm(8mil)max. 6layers: 0.13mm(5mil) max.
8layers: 0.25mm(10mil)max. 8layers: 0.15mm(6mil) max.
Min. Spacing from Hole Edge to Innerlayer Pattern 0.225mm(9mil) 0.15mm(6mil)
Min.Spacing from Outline to Innerlayer Pattern 0.38mm(15mil) 0.225mm(9mil)
Min. board thickness 4layers:0.30mm(12mil) 4layers:0.20mm(8mil)
6layers:0.60mm(24mil) 6layers:0.50mm(20mil)
8layers:1.0mm(40mil) 8layers:0.75mm(30mil)
Board thickness tolerance 4layers:+/-0.13mm(5mil) 4layers:+/-0.10mm(4mil)
6layers:+/-0.15mm(6mil) 6layers:+/-0.13mm(5mil)
8-12 layers:+/-0.20mm (8mil) 8-12 layers:+/-0.15mm (6mil)
23 Insulation Resistance 10KΩ~20MΩ(typical:5MΩ)
24 Conductivity <50Ω(typical:25Ω)
25 Test voltage 250V
26 Impedance control ±5ohm(<50ohm), ±10%(≥50ohm)

PCBTok offers flexible shipping methods for our customers, you may choose from one of the methods below.

1. DHL

DHL offers international express services in over 220 countries.
DHL partners with PCBTok and offers very competitive rates to customers of PCBTok.
It normally takes 3-7 business days for the package to be delivered around the world.


2. UPS

UPS gets the facts and figures about the world’s largest package delivery company and one of the leading global providers of specialized transportation and logistics services.
It normally takes 3-7 business days to deliver a package to most of the addresses in the world.


3. TNT

TNT has 56,000 employees in 61 countries.
It takes 4-9 business days to deliver the packages to the hands
of our customers.


4. FedEx

FedEx offers delivery solutions for customers around the world.
It takes 4-7 business days to deliver the packages to the hands
of our customers.


5. Air, Sea/Air, and Sea

If your order is of large volume with PCBTok, you can also choose
to ship via air, sea/air combined, and sea when necessary.
Please contact your sales representative for shipping solutions.

Note: if you need others, please contact your sales representative for shipping solutions.

You can use the following payment methods:

Telegraphic Transfer(TT): A telegraphic transfer (TT) is an electronic method of transferring funds utilized primarily for overseas wire transactions. It’s very convenient to transfer.

Bank/Wire transfer: To pay by wire transfer using your bank account, you need to visit your nearest bank branch with the wire transfer information. Your payment will be completed 3-5 business days after you have finished the money transfer.

Paypal: Pay easily, fast and secure with PayPal. many other credit and debit cards via PayPal.

Credit Card: You can pay with a credit card: Visa, Visa Electron, MasterCard, Maestro.

Quick Quote
  • “Purchasing Halogen-Free PCB from PCBTok has always been the most satisfying decision I have ever made in my entire life. I was looking for a suitable PCB for a wireless device since its board was badly damaged. However, I only have limited knowledge of what PCB should I pick, and so I tried looking for the top manufacturers of PCB, then PCBTok showed up. I tried reaching out to them about the problem I am facing, and they didn’t hesitate to help me out. They explained comprehensively everything that I needed to know, and within 2 days I already have my product. Bonus, they also taught me the proper application of it. It’s been a pleasure of mine stumbling upon with PCBTok!”

    James Taylor, Computer Hardware Engineer from Montana, USA
  • “I accidentally bumped into PCBTok while looking for a PCB for my computer hardware since its been giving me a lot of headaches in the past few days. I tried researching about this company, and I have read some great comments about them, so I tried inquiring to them. As per the reviews given by other people, they’re very accommodating and friendly to their customers. They didn’t let me wait, but they assisted me right away with my concerns. With that, I can see that they really care about their customers concerns. So, I placed an order with them following their recommendations. It didn’t take a week for the product to arrive, and I was really satisfied with how it came up. I’ll definitely recommend you guys to my peers!”

    Grace Ziean, Computer System Analyst from New South Wales, Australia
  • “I had a very good experience with PCBTok. Never in my life had I encountered a company that works so quickly, and entertains its customers respectfully. It’s always been the otherwise when I am dealing with business. However, with PCBTok, within an hour I already got a reply concerning my layout. They explained the process of how I can process my order quickly and they’ve guaranteed me some series of warranty. It didn’t even take months to receive my order, given that the manufacturer and I have a complete opposite time zones. If you’re searching for a manufacturer that’s no pain in your head, I highly recommend PCBTok. You’ll never regret it.”

    Thomas Williams, Telecommunications Engineer from Nova Scotia, Canada

Halogen-Free PCB – The Completed FAQ Guide

A Halogen-Free PCB is a circuit board that does not contain any halogens. Halogens are a group of elements in the periodic table, and while they were historically used in printed circuit boards because they are inexpensive, they are toxic to humans. This makes it necessary to use a Halogen-Free PCB. Listed below are some tips to help you determine if your PCB contains halogens

What is Halogen-Free PCB?

It is important to understand that halogen-free boards can be more difficult to produce. The solder to flux ratio can vary, causing issues such as grasping, where the solder paste combines into a ball. The board is considered halogen-free if it meets IPC standards, but it cannot be called halogen-free if it exceeds those specifications.

Halogens can be found in a variety of components, including the plastic used to cover the board. A green PCB, for example, will not be halogen-free because the green substrate contains halogen.

The epoxy resin used to protect the panel may also contain halogens. Curing agents, glass adhesives, and resin accelerators are examples of substances that can be hidden in various areas of the board. Halogen-free PCBs may still contain trace amounts of halogens, so read the label carefully.

Rigid-flex PCB with Halogen-free

Rigid-flex PCB with Halogen-free

FR4 is another common PCB material grade (flame retardant). The flame-retardant epoxy resin FR4 is reinforced with woven glass. Halogen-free FR4 PCBs use FR4 in both the top and bottom copper layers. This is a critical standard for halogen-free boards because it makes them safer to use in applications involving smoke or flame.

Why Are Halogens in PCBs Harmful to Health?

Halogens are a type of chemical that has a number of negative environmental and human health effects. These halogens are used in the manufacture of PCBs, but they also serve as sterilization agents and functional flame retardants. Side effects of halogens include nausea, coughing, skin irritation, and blurred vision. Furthermore, halogens are known to produce dioxin, a carcinogen.

Halogens are not toxic to humans, but they do pose a risk to their health. Because most halogens are bioaccumulative and persistent, they can enter the environment during recycling. If halogenated electronic products are not properly disposed of, the chemical compounds can bioaccumulate and become harmful indefinitely. Because halogens are particularly harmful to the environment, the electronics industry is shifting toward safer alternatives.

Halogen-Free LOGO

Halogen-Free LOGO

Halogens’ chemical properties have made them appealing to electronics manufacturers. For example, chlorine is used to protect plastic components from high temperatures. Bromine is used in lubricants, whereas chlorinated flame retardants are mostly found in plastics. In PCBs, chlorine is also used as a flame retardant. The International Electrochemical Commission (IEEC) mandates a total halogen content of 1,500 parts per million in electronics.

When halogenated organics are burned, they oxidize to dioxin, a contaminant that is toxic to humans even at low levels. In 2001, dioxin was designated as a known human carcinogen. According to the EPA’s 1994 dioxin assessment, there is no safe level of dioxin exposure for human health. This assessment, however, has not been replicated.

How Do Halogen-Free PCBs Be Fire-Resistant?

Halogen-free PCBs are a new type of printed circuit board. Unlike halogen-containing boards, they are fire-resistant when manufactured using a special process. Halogen-free boards are more difficult to manufacture because they require different ratios of solder and flux.

They also have a higher risk of grasping, a process in which the solder and flux blend into one large ball. However, by employing a solder mask on the boards, manufacturers can avoid defects caused by solder paste.

They are a great alternative to traditional halogen-based PCBs. They are safe for the environment, as they do not contain chemicals that can harm your health. They are also recyclable. Learn more about halogen-free PCBs and their many benefits. You can find out how they are made.

They are manufactured using copper-clad laminates that do not contain halogen. According to Japan Circuit Association standards, halogen-free PCBs contain less than 0.09% of Wt of halogen. Halogens are elements in the group seven family, including chlorine, fluorine, bromine, astatine, and iodine. Although they are more expensive, they are better for your health, your home, and the environment.

How Do Halogen-free PCBs React to Heat and Flame? The main difference is in the composition of the material. Halogen-free PCBs contain more P and N than ordinary PCBs. They contain a higher grade of monomer molecular weight than ordinary boards, which improves their break-down voltage and insulation resistance. And the halogen-free boards are eco-friendly, making them a good option for your electronic products.

Halogen-Free be Fire-Resistant

Halogen-Free be Fire-Resistant

Send Your Inquiry Today
Quick Quote
Update cookies preferences
Scroll to Top