Two component transparent silicone gel adhesive sealant/silicone gel adhesive/silicone gel cell phone case

FOB Price: US $12.5 - 15 / Kilogram Get Latest Price
Min.Order Quantity: 5002000 Pack/Packs seal
Supply Ability: 1000,000 Ton/Tons per Year
Port: Shanghai, any port in China
Payment Terms: L/C,D/A,D/P,T/T,Western Union,MoneyGram,Escrow, Cash
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Quick Details

CAS No.:
CAS# 112926-00-8
Other Names:
silicone seal
Place of Origin:
Shanghai China (Mainland)
Other Adhesives
Main Raw Material:
Construction,Fiber & Garment,Footwear & Leather,Packing,Transportation,Woodworking,electronic
Brand Name:
Model Number:
We who:
Senior Member of Shanghai International Chamber of Commerce
R&D Manufacturer
Valid time:
-60-260 ℃
ISO9001,MSDS, Test Report etc.
two parts gel
1000 mPa.s

Packaging & Delivery

Packaging Detail: Part A: 10L/5L Plastic Bucket Part B: 10L/5L Plastic Bucket Can be customized Shelf life: 12 months
Delivery Detail: 7-10days for sample, 15-20days for cargo


1. Silicone gel
2. Use in -60--250 degree
3. Valid 20-30 years
4. MSDS and ISO9001
5. Silicone seal Factory


Senior Member of Shanghai International Chamber of Commerce


 R&D Manufacturer




Properties before curing






Hydrogen polysiloxane


Transparent liquid

Transparent liquid

Viscosity, mPa.s(25°C)



Density, g/cm3(25°C)



Mixture/mass ratio

A:B = 100:100

Tensile strength after mixing,mPa·s(25°C)


Operation time after mixing, min(25°C)


Curing addition, min,25°C

10°C/24hr or 25°C/8hr or 80°C/ 20mins

Properties after curing


Colorless transparent gel

Needle penetration,1/10mm


Dielectric strength, KV/mm


Volume resistance DC500V, Ω·cm


Loss factor(1 MHz)


Dielectric constant (1 MHz)


Application temperature, °C

- 60 -- 260






SI3350A/B is two component self-healing silicone gel, after cured it will be quite elastic material with buffer and self recovery. It’s used to isolate moisture and other noxious pollutant from contacting the circuit board, also used to dielectric of high voltage. The other usage is stress relief for protecting circuit and contact device from high temperature and mechanical stress.





  1. 1:1 addition type, good adhesive strength and self-healing
  2. Superior elasticity for stress relief
  3. Quite low oil penetration after cured, good anti-poisoning
  4. Good dielectric in high temperature, protect from high voltage
  5. Excellent age resistance and weather resistance
  6. Excellent waterproof, corrosion prevention, moisture proof and chemical media resistance



  1. Use in Optical Fiber Splice Closure, waterproof junction box and underwater instrument
  2. Widely used in power electronics, ignition module and potting of IGBT



Operation Attention


1. Mix Part A and Part B by 1:1, pour directly into the protection needed component(or module). It’d better to pour slowly by one side of the vessel wall which can cause less bubbles.

2. Still the potted component to let it discharge the bubble. It can be heated to cure after the bubbles are almost disappeared ( about 30mins in 80°C).It also can be cured under room temperature, it needs

About 6-24hours.






  1. Vacuum defoamation can provide the property of cured product
  2. The Mixed glue should be sealed after using
  3. Low temperature will slow the curing speed, advice to heat curing
  4. SI3350 will be hard to cure if contact with sulfur, amine or Sn
















     Contact: Belinda Liu: Hey,  I'm very glad to have the chance to be friend with you!!


      Skype: belinda_liu69


      Phone: 18721823209




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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 , 10 years OEM

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Ms. belinda liu
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