Desmodur® BL 3175 SN

Aliphatic polyisocyanate based on HDI. Acts as a hardener to formulate lightfast one-pack stoving polyurethane coatings, and as an additive in conventional coating systems to improve flexibility and adhesion.

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Chemical Composition

Aliphatic polyisocyanate based on HDI

Advantages
    improve flexibility and adhesion
Other Applications

high-grade industrial finishes (electrical appliances, small components, can coatings, coil coatings)
primer surfacers
top coats for automotive finishing

Technical data

Quantity Value Unit Comment
Appearance Properties
Color (Hazen) <60
Physical state Fluid
Physical Properties
Density 1.06 g/ml 20°C
Viscosity 2900 - 3700 cP 23°C
Thermal Properties
flash point 45 ºC
Chemical Properties
Non-volatile materials 73 - 77 % wt
Equivalent weight 378 g/eq
Free NCO <0.2 %
Blocked NCO Content 11.1 %

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