Sepna Chemical Technology Co., Ltd. Company Logo Sepna Chemical Technology Co., Ltd.
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Medical Grade Silicone Gel

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Sepna Chemical Technology Co., Ltd.
[China]

Address
No.1129, Denghui Road, Minhang District Shanghai Shanghai
Phone
86-21-66310806
Contact name
Sepna Wang

Quick Information

  • Brand Name: Sepna
  • Place of Origin: China
  • Model Number : SI2709

Description

Product Description
SI2721A/B is two-component transparent silicone elastomer catalyzed by platinum. After mixed, Part A and Part B will cure to flexible buffering removable material to stick with skin. This adhesive has unique physical property. It’s proper to be used in biomedical as bonding and self-adhesion material. This elastomer is made from PDMS catalyzed by platinum. Cure temperature range: from room temperature to 200 °C, won’t produce any by-products.
Key Features
1.Solvent free two component material
2.Transparent both before and after cured
3.Platinum catalyzed curing system
4.No by-products after curing
5.Low viscosity before cured, easy to application
6.Excellent flexibility, free from stress
7.Extremely low oil exudation, good anti-poisoning
8.By adjusting the mix rate of part A and part B, can adjust the gel adhesion
9.It can stick repeatable
10.It can use with polyethylene release liner
11.Pass test of physiological compatibility, poison cell, skin stimulus etc.
Typical Applications
1.  Suitable for sticking with skin, used for wound stickers, Scar sheet, eye patch and Nipple cover
2.  Also for filling the cover bag of headrest
Technical Data Table

PROPERTY STANDARD/UNITS VALUE of SI2721
---- ---- PART A PART B
Material ---- Polysiloxane Hydrogen polysiloxane
Color Visual inspection Transparent Liquid Transparent Liquid
Viscosity 25°C, cps 950±150 550±150
Density 25°C, g/cm3 0.99 0.99
Mixture/mass ratio ---- A:B=100: (80~120)
Viscosity of mixture 25°C, cps 800±150
Operation time 25°C, min >60
Cure condition RTV or HEAT 25°C /6 hour; 120°C /5min
Cured appearance ---- Transparent gel
Application temperature °C -60~200
 
Directions for Use
Mix Part A and Part B by 1:1 mass ratio, after evenly mixed, standing 10 minutes later, then pouring directly into the modules slowly along the walls of the implements, so as to reduce the bubbles happens
Still the potted article to let out the bubbles. It can be cured by heat, about 2~5 minutes under 120°C (depending on the thickness of gel). It needs about 6-10 hours to cure under room temperature.
Vacuum defoaming can improve the performance of cured product.
Seal the remaining products tightly after use.
Low temperature will slow the curing speed; heat curing is recommended.
It's hard for SI2721 to cure if contact with sulfur, amine or Sn
Packing and Storage
Part A—20 KG/Bucket, Part B—20 KG/ Bucket; Part A—200 KG/Drum, Part B—20 KG/ Drum.
Part A is also available in 200 kg metal drums accompanied by the corresponding 200 kg of Part B.
 
When stored at or below 25°C in the original unopened containers, this product has a usable life of 12 months from the date of production. Sealed and stored avoid from light and heat.
It’s non-dangerous goods, can be transported as normal chemicals, CAUTION leakage during transport.
Safety Operation Data
MSDS isn't included here. Please read TDS, MSDS and label carefully before operation. You can get MSDS from SEPNA or other distributors, or mail to service center, or call +86-400-882-1323.
warranty and Liability
All product properties and application details based on information believe to be reliable and accurate. But you still need to test its property and safety before application. The advices we supply don't apply in any circumstances. SEPNA don't make assurance of any other applications outside the specification until SEPNA supply a special written guarantee. SEPNA is only responsible to replace or refund if this product is defective within the warranty period stated above. SEPNA makes it clear that will not be liable of any accidents.

 


Price

  • Price Condition : FOB
  • Price : USD27 / kg
  • Delivery Port : Shanghai

Packaging & Delivery

  • Packing :Part A—20 KG/Bucket, Part B—20 KG/ Bucket; Part A—
  • Delivery Lead Time : 30 days for OEM, 7 days for ready goods
  • Minimum Order : 500kg
  • Supply Ability : 13000tons/year

Product Image

  • Medical Grade Silicone Gel image

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