WynCoat® SL-7540 is a primary hydroxyl-functional polydimethyl siloxane with carbinol terminated。It is used for the manufacture of solventborne coating with anti marker, anti-graffiti effect additional spin-off effectKey Features and Benefits：
Appearance：light straw-amber colored liquid
OH value (KOH mg/g): 23-33
How to us:
Copolymerize with NCO-endblocked urethane prepolymer.
Copolymerize with MDI and polyol.
Mix SL-7540, polyisocyanate and polyol, and cure.
Package and storage stability:
Available in 200 kg steel drum
12 months in closed containers
This product is neither tested nor represented as suitable for medical or pharmaceutical uses.
Product safety information required for safe use is not included. Before handling, read product and safety data sheets and container labels foe safe use, physical and health hazard information.