Two-component Room Temperature Curing epoxy resin potting sealant,

FOB Price: US $1.8 - 20 / Piece Get Latest Price
Min.Order Quantity: 5002000 Piece/Pieces
Supply Ability: 100.000 Ton/Tons per Year
Port: Shanghai, Guangdong
Payment Terms: L/C,D/A,D/P,T/T,Western Union,MoneyGram,Paypal, Cash etc.
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Quick Details

CAS No.: 61788-97-4; 24969-06-0 Other Names: Epoxy resin adhesive MF: NA
EINECS No.: 500-033-5 Place of Origin: Shanghai China (Mainland) Classification: Double Components Adhesives
Main Raw Material: Epoxy Usage:
Construction,Fiber & Garment,Footwear & Leather,Packing,Transportation,Woodworking,glass, metal, vehicle, electrical,Electronic potting and protection
Brand Name: PUNADE
Model Number: E4202 Advantage: 60min/80degree Flammability class UL 94: V-0
MOQ: 500-2000pcs Component: Two parts Appearance: Transparent,brown
Temperature: -40-120 ℃ Manufacture: Factory Client: BMW, Volvo, Fuyao
Certification: ISO9001,MSDS, Test Report etc.

Packaging & Delivery

Packaging Detail: 25kg drum, 5kg drum
Delivery Detail: two weeks after receiving the payment


1. Mix rate: 100:20
2. Use in -40--120 degree
3. Curing time: 60mins
4. MSDS and ISO9001
5. Potting protection






Characteristics before hardening










Black thick liquid

Brown Liquid

White thick liquid

Colorless transparent liquid

Viscosity, mPa.s(25°C)





Proportion , g/cm3(25°C)





Mixture/mass ratio,


Viscosity after mixing, mPa.s (25°C)


Weight after mixing, g/cm2(25°C)


Operation time after mixing, hour(25°C)


Gel time

25°C/5hrs or 80°C/25mins

Curing time

25°C/24hrs or 80°C/60mins

Hardness, Shore D


Waterabsorption 24h,25°C,%


Dielectric strength, KV/mm,25°C


Flame resistance, UL 94



Temperature range , °C



Volume resistance DC500V, Ω·cm






















































E4202A/B is solvent-type room temperature curing epoxy potting adhesive




1. Good toughness, high hardness

2. Excellent adhesion, anti-cracking resistance

3. Excellent electrical insulating properties, stability

4. Good waterproof, moisture resistance, very low water absorption

5. Good temperature resistance, resistance temperature of 150 °C in 1 hr short time




For sealing and protection of power capacitors, filters, sensors, automotive electronics and optoelectronic LED













1. Stirring A component evenly before using it .


2. Weighed in a 5:1 ratio A, B two components, stir well stay with after vacuum deaeration to use within 60 minutes run out.


3. Good potting devices ,if necessary, continue to pumping vacuum, help to increase the electrical performance of the device.


4. Curing conditions: 25 ° C for 24hrs at room temperature ; or let stand for surface bubbles after heating 65 °C × 0.5hr.


5. Note: adhesive start the reaction after adhesive preparation , accompanied by heat release. With the greater amount of glue, the greater the heat release, the shorter operating time, required in a shorter period of time you are finished using


6.The above tests are measured under 100 g with adhesive


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Shanghai Sepuna Chemical Co.,Ltd is a subcompany of PUNADE INTERNATIONAL GROUP, Sepuna is a professional industry adhesive supplier ,manufacturing polyurethane/silicon/epoxy sealant and adhesive,has nearly 10 years history.
In 2005 Sepuna introduced PUNADE technology from Switzerland.
Via the ISO90001:2000 certification.
In 2013 Sepuna introduce Drawing Machine technology and has put it into producing formally now.

Sepuna has professional factory which area is 5.000 squaremeters,and has ... View detail

Basic Information

Product/Service (We Sell): Polyurethane Adhesive,Polyurethane Sealant,Epoxy Adhesive,Silicone Adhesive  
Brands: PUNADE  
Number of Employees: 101 - 200 People  

Trade & Market

Main Markets: Central America
South Asia
Northern Europe
Domestic Market
Eastern Asia
Southern Europe
Southeast Asia
Mid East
Western Europe
Eastern Europe
South America
North America
Total Annual Sales Volume: US$50 Million - US$100 Million  
Export Percentage: 81% - 90%  

Factory Information

Factory Size (Sq.meters): 3,000-5,000 square meters  
Factory Location: Shanghai Minhang District  
Number of Production Lines: 10  
Number of R&D Staff: 11 - 20 People  
Number of QC Staff: 5 - 10 People  
Contract Manufacturing: OEM Service Offered   Design Service Offered   Buyer Label Offered  

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China (Mainland) | Manufacturer, Trading Company | Contact Details
Experience: Established 2010

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