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Adhesives Ingredients

Silcolease® PSA 400

Technical DataSheet | Supplied by Bluestar Silicones

Silcolease® PSA 400 by Bluestar Silicones is a solution of polydimethyl siloxane gum and resin diluted in toluene. It is a silicone pressure sensitive adhesive (PSA). Exhibits excellent cohesive strength at room and high temperature, good resistance to humidity and natural ageing and high viscosity. Offers high shear resistance, improved loop tack adhesion with good peel adhesion and increased productivity (quick drying). Silcolease® PSA 400 is suitable for the production of high performance pressure sensitive systems. Used in plasma/flame spray masking tapes and electrical tapes.

Silcolease® PSA 400 Product details

Product Type
Chemical Composition
Physical Form
Liquid, Viscous
Transparent, Colorless
Product Status
Applications/ Recommended for
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Silcolease® PSA 400 Properties


Value & Unit
Test Condition
Test Method
Specific gravity
xxxx g/cm3
Viscosity @ 25°C, ISO 3219
xxxxxxxxxx mPa.s
Active solids content
xx %
Flash Point (CC)
x °C

Solubility Properties

Test Condition
Test Method
Dilutable in
Last edited Apr 20, 2016
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