Polyurethane Primer
Introduction:
We are a China exterior paint supplier. Polyurethane primer is made from resin, isocyanate prepolymer, dye, filling, solvent and additive, etc, which make of two different types (A, B). The product has excellent anti-rust properties, high adhesion as well as oil resistant. The product is easy to use and dry easily.
Application and specifications:
For oil tank steel and aluminum alloy use.
Color: red
Specific Gravity: 1.38
Dosage: 0.12-0.15kg/m2 (brush), 0.15-0.18kg/m2 (spray)
The Thickness: 105um (wet)
The Thickness: 50um (dry)
Ratio: 4:1(A: B)
Application Time: 8hours, 25degree
Application Methods: bush, roll, spray
Solvent: special <5%
Surface Dry: 2hour, 25degree
Hard Dry: 24hours, 25degree
Solidify: 7 days
The Interval between two washing: 4 hours (shortest time), 0degree
3days (longest time), 0degree
2 hours (shortest time), 25degree
2days (longest time), 25degree
1hours (shortest time), 35degree
36days (longest time), 35degree
Surface Finish: The surface of steel should meet the St3 standard or Swedish Sa2.5 standard
Duration period: 12 months
Flash Point: 29degree (A), 30degree (B)
