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 effect
Key Features and Benefits：Typical data:
Appearance：light straw-amber colored liquid
Viscosity(25ºC)：80-110 mm2/s
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
Limitations:
This product is neither tested nor represented as suitable for medical or pharmaceutical uses.
Product Safety:
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.
