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Plastics & Elastomers
The material selection platform
Plastics & Elastomers
by SpecialChem
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Technical Datasheet | Supplied by Sir Industriale
SIRESTER® FS 4424 by Sir Industriale is an orthophthalic unsaturated polyester resin (UPR). It is cured using 6% 0.2 ml Co and 1.5% MEKP. SIRESTER® FS 4424 is suitable for processing by casting. Used in abrasive chips.
Product Type
UPR (Unsaturated Polyester Resin)
Product Status

SIRESTER® FS 4424 Properties

Physical Properties

Value & Unit
Test Condition
Test Method
Monomer Content
Various %
( )
Gel time
Various min
Various mPa.s
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