HF-4175 Oil-based sealing curing agent, used for primer surfacer and finish coat of high-quality industrial decorative paint and automotive decorative paint

Model strong> HF-4175

Type strong> Blocked aliphatic polyisocyanate based on hexamethyldiisocyanate

Introduction strong> Used to prepare light-resistant one-component polyurethane baking coatings; used as additives in traditional baking systems to improve the flexibility and adhesion of paint films.

Usage strong> High quality industrial decorative paint, primer surfacer and top coat for automotive decorative paint.

Product Specifications

Physical properties	Value
Non-volatile component content (0.2g/ 60min/80℃）	75±2
Viscosity 23°C (MPA'S)	3300±400
Color value (Hazen)	≤60
Free NCO content	≤0.2
Closed NCO content	about 11.1
Viscosity 25°C (MPA'S)	about 2800
equivalent	about 380
Density at 20°C (g/cm2)	about 1.06
Flash point（℃）	about 45

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Recommended storage temperature: 0- 30°C; avoid moisture, heat and foreign substances. When the storage temperature is higher than 30 ℃, it will cause color increaseDeep and rising in viscosity. Freezing occurs when stored at low temperature, this freezing is reversible by brief warming.

Packaging

60kg /215kg iron drum.

Material Safety

Material Safety Data Sheet for this product Sheets are available upon request.