Epoxy for Pcb

Your Professional Epoxy for Pcb Supplier

Our goal is to become your true partner in the field of epoxy for pcb in China. Hangzhou EA Technology Co., Ltd. is a leading manufacturer of Resin Epoxy in the world. It has been working in the field of resin chemical industry for more than 20 years. Our company is committed to applying advanced manufacturing technology and strict quality control standards to every product. The price is competitive and the product is quality-assured, which is a good choice for your long-term cooperation.

Why Choose Us

Product Application

Our products mainly include pesticide intermediates, resin products, etc. These products are widely used in various coatings, electronic packaging, adhesives, wind power composite materials, etc.

Our Certification

Our products have passed GB/T19001-2016//ISO9001:2015, GB/T24001-2016//ISO14001:2015, GB/T28001-2011//OHSAS18001:2007 and GB/T23331-2012//ISO50001:2011//RB/T 114-2014 certification.

Our Production Capacity

At present, the production capacity of various resins exceeds 160,000 tons/year, and more than 5,000 tons of DFPA (new pesticide intermediates) can be produced annually.

Our Service

The company has a professional sales team to provide you with high-quality pre-sales consulting services. During the order production process, customers can communicate with us at any time to understand the production progress. At the same time, we provide high-quality after-sales service to meet the different needs of customers.

Advantages of Epoxy for Pcb

High-performance

Our epoxy is designed to perform at the highest level, providing exceptional adhesive strength, and conductivity that ensures your pcbs are repaired to the highest level of performance.

Versatile

Our epoxy is versatile, making it suitable for repairing a wide range of electronic devices. Whether you need to repair a laptop, tablet, smartphone, camera, or any other electronic device, our epoxy is up to the task.

Durable

Our epoxy is long-lasting, providing protection against the elements, heat, and other environmental factors that can cause damage to electronics.

Easy To Use

Our epoxy is easy to use, just mix the resin and hardener together, apply it to the damaged pcb, and wait for it to dry. It's that simple!

Cost-effective

Our epoxy is cost-effective, providing a cost-effective solution to repairing pcbs that would otherwise be expensive to replace.

Specification of Epoxy for Pcbl

Code	Appearance	Epoxy equivalent（g/Eq）	Epoxide number（eq/100g）	Softening point（℃）	Solubility Viscosity（CPS/25℃）	(Color) Gardner＃≤
YPE-011	White or yellowish flake solid	450~500	0.200~0.222	60~70	D~F	1
YPE-011T	White or yellowish flake solid	450~500	0.200~0.222	65~75	D~F	1
YPE-011P	White or yellowish flake solid	450~500	0.200~0.222	60~70	D~F	1
YPE-011H	White or yellowish flake solid	500~550	0.182~0.200	65~75	E~G	1

Application of Epoxy for Pcb

Moisture Barriers: Exposed boards slowly absorb atmospheric moisture over time without protection. Even modest levels (under 5%) severely reduce surface insulation and enable electrochemical migration between tra

Thermal Management: Certain high powered circuits like LED drivers and converters require special thermal epoxy dispensing onto hot components to prevent overheating. Such thermally conductive epoxies contain ceramic fillers that dissipate heat efficiently from localized hotspots out across the board. Thermal epoxy can cut temperatures by over 20° c.

Dust And Chemical Resistance: Harsh industrial environments slowly accumulate corrosive films or conductive debris across exposed pcbs that can undermine performance over time. Abrasion resistant epoxy coatings shield boards from such issues. They simply wipe clean while protecting for years.

Component Securing: Vibration forces progressively weaken solder joints and loosening component leads over time. Select epoxies like acrylic and polyurethane can fully encapsulate individual chips and parts. This absorbs mechanical stresses to prevent intermittent connections or failures. Such reinforcement is popular for automotive applications.

Damaged Pcb Rehabilitation: Pcbs receiving localized damage during handling or assessments can often be recovered with specialty repair epoxy formulations. Careful injection under damaged components or torn traces binds damage securely. Room temperature cure variants enable such repairs without adding thermal stresses.

Adjust Epoxy for Pcb to Meet Specific Requirements

Coefficient of thermal expansion (CTE)

Most materials experience thermal expansion as a result of temperature changes that increase the energy of molecular interactions. CTE is a measure of how much the temperature changes for every degree increase. CTE mismatches can occur between two substrates or between the adhesive and the substrate. Therefore, a common approach is to select adhesives with the lowest CTE possible. Another option is to insert special negative CTE fillers or ceramics into the unfilled adhesive. However, doing so results in a significant increase in tensile modulus, which makes the epoxy harder.

Glass transition (Tg) temperature

The glass transition (Tg) temperature of an epoxy resin is a range within which it will change from a hard, glassy consistency to a softer, more elastic consistency. It can span about 50-250 degrees Celsius.

Safety Precautions When Making An Epoxy Resin PCB

The first step you need to do is put on gloves that will protect your hands from being exposed to the epoxy resin. Besides, you can use other simple substances such as baby wipes to eliminate the epoxy resin if it contacts your skin during the fabrication process.

For the epoxy resin that remains on your skin, you can remove it using water and soap mixture. Also, you need to wear a plastic apron when fabricating an epoxy resin PCB. This is because the plastic allows the easy removal of the epoxy resin substance if it happens to spill on the apron. Also, put on safety goggles as they will protect your eyes.

If the epoxy resin contacts your eyes, you should use clean water to flush your eyes for almost 15 minutes. In addition, do not rub your eyes during this process, and afterward, you can seek medical attention at the earliest convenience. The last step entails fabricating the epoxy resin PCB in a location that has ample ventilation.

This is important as it ensures clean circulation of air within the work area. For instance, you can ensure that you open the windows or turn on fans within your work area to assist with the air circulation. Also, you can put on a respirator in instances where the circulation of air is insufficient due to one reason or another.

Packaging and Shipping of Epoxy for Pcb

Packing	Plastic Box
Shipping	Shipped by road, sea, rail or air

Other Service of Epoxy for Pcb

Lead time	Honestly, it depends on the order quantity and the season you place the order. Alway 25-28days based on general order .
Delivery terms	We accept EXW, FOB, CFR, CIF, etc. You can choose the one which is the most convenient or cost effective for you.
Payment way	TT or Wester Union for the trial order. ODM, OEM order, 30% for deposit,70% against the copy B/L.

FAQ

Q: What stresses damage uncovered PCBs?

A: Major risks include repeated thermal cycling fatiguing materials, vibration forcing connections loose over time, impacts instantly damaging traces, moisture enabling electrochemical corrosion, and contaminant buildup shorting circuits.

Q: What epoxy best handles high temperatures?

A: Silicone epoxies retain elastomeric properties exceeding 200°C making them uniquely suited for coating boards facing extreme temperatures.

Q: How does moisture degrade PCB performance?

A: Absorbed moisture reduces surface resistivity enabling leakage currents between traces. It also initiates electrochemical migration corroding copper over time. Just 5% moisture can severely impact functionality.

Q: Can damaged PCBs be repaired with epoxy?

A: Yes, carefully injecting specialty epoxy formulations under torn traces or around cracked components structurally repairs boards that would otherwise require full replacement.

Q: Does epoxy application method influence performance?

A: Yes, techniques like spraying or dip coating generally enable thinner and more uniform coatings than manual brushing. This matters for moisture sealing properties based on thickness. But thicker brushed epoxy better withstands mechanical damage.

Q: Can you use epoxy on PCB?

A: While epoxy provides generally reliable exterior film protection for PCBs, its long-lasting surface durability also makes it very difficult to rework and repair; repair costs are high compared to most conformal coatings. Epoxy can shrink during polymerization.

Q: What is the best glue for PCB?

A: The best glue to attach a PCB to polypropylene is epoxy resin. This type of glue forms a strong bond between the two surfaces and prevents the PCB from shifting or coming loose.

Q: What is the best finish for PCB surfaces?

A: Electroless nickel immersion gold is one of the most popular and widely-used circuit board finishes available today.

We're professional epoxy for pcb manufacturers and suppliers in China, specialized in providing high quality products with low price. We warmly welcome you to buy customized epoxy for pcb made in China here from our factory.

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