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We Supply Free Samples. OEM & ODM are Welcomed. we can do your logo and Brand
Two-component High Hardness Black Epoxy Resin Potting Adhesive Electronic Devices Electronic Components Epoxy Resin Potting
Specification
Test items
Test standard
Units
A
B
Color
Visual
---
Black paste
Brown liquid
Viscosity
GB/T 2794-2022
25℃, cps
15,000±3,500
(64#16rpm)
115±35
(61#20rpm)
Density
GB/T 13354-1992
25℃,g/cm3
1.75±0.05
1.05±0.05
Mixing ratio
Mass ratio
Ratio=A:B
100:20
Mixing viscosity
GB/T 2794-2022
25℃, cps
2,500±1,000
(64#170rpm)
Operating time
GB/T 10247-2008
25℃, min, 150g
55±15
Gel time
GB/T 10247-2008
25℃,hr
4-8hr
Hardness
GB/T 531.1-2008
Shore D, 30g
85±5
Thermal conductivity
GB/T 10297-1998
W/mK
0.5
Coefficient of expansion
GB/T 20673-2006
μm/ (m, ℃)
<Tg, 36
>Tg, 85
Glass transition temperature
GB/T 22567-2008
℃
65
Shear strength
GB/T 7124-2008
Mpa, Steel/steel
≥4
Impact strength
GB/T 1843-2008
KJ/m2
8
Dielectric strength
GB/T 1693-2007
kV/mm (25℃)
≥18
Loss factor
GB/T 1693-2007
(1MHz) (25℃)
0.05
Dielectric constant
GB/T 1693-2007
(1MHz) (25℃)
3.6
Volume resistance
GB/T 1692-92
DC500V,Ω· cm
1.0E +14
Flame retardant rating
UL
UL 94
V-0
Temperature for use
--
℃
- 50-120
Product Description
Description
EP 3112(1#)A/B is a two-component solvent-free, room temperature curing epoxy potting-sealing adhesive, the product conforms to UL 94 V-0 flame retardant grade, suitable for motor, automotive electronics, power tools, reactors, meters and other packaging protection, and most of the plastic and metal substrate has excellent adhesion and temperature resistance.
Typical Applications
Power module, high voltage DC contactor
Permanent magnet motor stator, high voltage power supply
Tank type reactor, high voltage capacitor
Power tools, instruments and other packaging protection
Key Features
Excellent adhesion, cracking resistance
Low CTE linear expansion coefficient
Excellent electrical insulation and thermal stability
Low water absorption, good water and moisture resistance
Packing Specification
*
EP 3112(1#) Black two-component epoxy potting compound
Order code: A: 2KEP6038; B: 2KEP6039
Components A and B should be kept away from light and heat and sealed.
The storage period is 12 months.
After opening the plastic drum should be sealed and stored in a cool and dry place.
This product is not dangerous goods and can be transported and stored according to non-dangerous goods
Transport &Storage
● When stored at or below25°C in the original unopened containers, this product has a usable life of 12 months from the date of production. Sampling test is necessary for products which exceed shelf life before taking use. During storage may have little settlement stratification, stirring evenly when use, does not affect performance. It’s non-dangerous goods, can be transported as normal chemicals, CAUTION leakage during transport.
Operation process Operation Matters
* Component A needs to be stirred evenly in the original package before use (precipitation may occur after a long time, and the performance will not be affected after the use of stirring evenly). * Affected by temperature, there are certain differences in the curing speed of glue in different seasons, and the curing time is longer in winter. All of the above glues can be heated to accelerate curing. You can also choose to use MAXTECH winter formula.
* The A and B components of some products may crystallize and caking under low temperature conditions, which is a normal phenomenon; Before use, put it in the oven at 80℃ to melt it, and put it to room temperature for normal use, without affecting the properties of the glue. * During the mixing process, pay attention to the glue on the inner wall of the container and stir it back to ensure the uniformity of mixing.
Use the process
* Gluing: Stir the glue component A fully in the original package, take the A and B components according to the specified mass ratio (see the table above), mix and stir well, and then potting and sealing. The operating time after mixing is shown in the table above. After the operating time is exceeded, the glue will become sticky and no longer suitable for pouring. Therefore,the amount of glue should not be too much each time to avoid waste. * Curing: curing conditions refer to the table above. The curing speed of glue is related to temperature, and the higher the temperature, the shorter the curing time. In winter, the temperature is low, the curing time will be extended, can be heated curing method, heating for 2 hours under the condition of 80℃. The glue can be assembled after curing and hardening. It is recommended to proceed to the next step after curing for 24 hours.
Q:How long can I get a quote A:The quotation can be provided no longer than 24hours on condition that we know all detailed requirement.
Q:Do you accept private Label? A:Yes. ODM & OEM are Welcome.
Q:Can I get a samle before order? A: Of course. Generally, we provide 1-3 pieces free samples for quality testing and the courier fee be born by customers. Thanks for your understanding.
Q:Do you have MOQ. A:Yes, Generally ,MOQ is 1000pcs or 1000kg.
Q: How long will finished my order? A: It’s depend on your order quantity. Generally, Our production time is 10-15 days after get the payment.
Q:How to find the suitable sealant? A: Please let me know your application purpose,substrate, application method and all your requirements. We would like give you a better recommendation.
As our suggestions of the sealant choose: As a manufacturer, we would like to share with you what we have learned about the different types of potting compounds and their characteristics. The potting compounds on the market vary in viscosity, requirements for cure conditions, among other factors. Compounds such as polyurethane, silicone, and epoxy are widely used in a variety of applications. 1. Silicone Potting Compounds are soft and flexible, silicone potting compounds and encapsulating materials possess a good level of elongation.Silicone potting compound can also withstand a wide range of temperatures. Most silicone materials are able to operate at temperatures between -40°C and 200°C. 2. Epoxy potting compounds generally perform as a better adhesive, high-temperature resistance, and chemical resistance and have better adhesion to a wide variety of substrates and typically do not need primers. 3. Polyurethane Potting Compounds generally have better flexibility, elongation, and abrasion resistance. 4. Acrylic Potting Compounds are UV and heat-hardening materials, with fast hardening, adequate chemical resistance, and clear appearance.
Max Tech Do the PU , Silicone, MS, Epoxy For Automotive , Construction and Electronic Industry.We also do related tools, machines & accessories.
Shanghai Maxtech Co., Ltd is a leading supplier of PU Adhesive Sealant, Silicone Sealant, MS polymer sealant, Waterproofing coating & Waterproofing tape, and lubricating grease. The products are mainly used in industrial areas such as automotive, machinery, Ship, and construction. For Example, t... Shanghai Maxtech Co., Ltd is a leading supplier of PU Adhesive Sealant, Silicone Sealant, MS polymer sealant, Waterproofing coating & Waterproofing tape, and lubricating grease. The products are mainly used in industrial areas such as automotive, machinery, Ship, and construction. For Example, t...
