Silicone coating additives/Silicone resin modifier SL-7540
Product Details
WynCoat® SL-7540 is a primary hydroxyl-functional polydimenthyl siloxane with carbinol terminated. It is used for the manufacture of solvent borne coating with anti-marker,anti-fraffiti effect additional spin-off effect.
Key Features and benefits
● Reactive with isocyanate to give silicone/PU copolymer. As urethane modifier to improve lubricity, abrasion resistance and anti-graffiti.
● Increase release properties
● Good lubricity
● Provides abrasion and scratch resistance
● Provides anti-graffiti
Typical Data
Appearance: light straw-amber colored liquid
Viscosity at 25°C：80-110 cs
OH value (KOH mg/g): ~27
How to use
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 25kg pail
24 months in closed containers.
Limitations
This product is neither tested nor represented as suitable for medical or pharmaceutical used.
Product Safety
Product safety information required for safe use is not included. Before handling, read product and safety data sheets and container labels for safe use. Physical and health hazard information.
