Popular GP neutral silicone sealant for electronic/computer components sealant

FOB Price: US $2 - 20 / Pack 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 MF: xSiO2yH2O
EINECS No.: 231-545-4 Place of Origin: Shanghai China (Mainland) Classification: Other Adhesives
Main Raw Material: Silicone Usage:
Construction,Fiber & Garment,Footwear & Leather,Packing,Transportation,Woodworking,electronic,Electronic sealing and protection
Brand Name: PUNADE
Model Number: SI3916 Price: 1.50-20$ MOQ: 500-2000pcs
Viscosity: 600 Pa.s Component: one part seal Formula: Neutral
Certification: ISO9001,MSDS, Test Report etc. Valid time: 20-30years Manufacture: R&D Manufacturer
other adhesive: epoxy,acrylic,polyurethane

Packaging & Delivery

Packaging Detail: 310ml Tube per pc, 25pcs per caton Size: 265mm*260mm*260mm=0.018cbm 38500pcs per 20ft container,1375pcs per cbm
Delivery Detail: 7-10days for sample, 15-20days for cargo


1. General purpose silicone sealant
2. Neutral and healthy
3. Valid 20-30 years
4. MSDS and ISO9001
5. Silicone seal Factory


Senior Member of Shanghai International Chamber of Commerce


 R&D Manufacturer


Testing Term

Testing standard








GB/T 10247-2008


600 & Paste


GB/T 13354-92


1.05 /1.45 /1.45

Touch Dry Time





GB/T 531.1-2008

Shore A

30 /50 /50


GB/T 10297-1998



Elongation at break

GB/T 528-1998



Tensile Strength

GB/T 528-1998



Tear Stength

GB 6328-86







Si3916 is with good versatility, high strength, good adhesion to many substrates






1. This silicone sealant is made of silicon with high-performance


2. It can be sealed to protect the most sensitive circuits, semiconductors and equipments from heat, pollution and accidental damage, and ensure the continued supply of mechanical power




Involves the profession


Widely used in electronics, industrial, aerospace, automotive, marine, rail vehicles, communications, household appliances, electric power, medical, LED, semiconductor, new energy as well as it is reliable protection of sensitive circuits and components for a long term





Clean before operation

Clean and dry all surfaces by removing foreign matter and contaminants such as oil dust, grease, frost, water, dirt, old sealants and any protective coating. Dust and loose particles should be cleaned.


Direction of operation

Tool:Manual or pneumatic plunger caulking gun


1.Cut nozzle to give the required angle and bead size

2.Pierce the membrane at the top of the cartridge and screw on the nozzle 

3.Place the cartridge in an applicator gun and squeeze the trigger with equal strength



Attention of operation

Wear suitable protective clothing, gloves and eye/face Protection. After contact with skin, wash immediately with plenty of water and soap. In case of accident or if you feel unwell, seek medical advice immediately














     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

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Ms. belinda liu
Ms. belinda liu:
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