2K Clearcoat BF8840

Product Features

This product is a fast drying varnish with good hardness, high gloss, good workability, and excellent weather resistance. It is suitable for the overall painting and partial repair of general automobiles

Product Mixing Rates

BF8840 2K Clearcoat 2
BF7715 2:1 2K curing agent 1
BF6610 Thinner 0.3±20%

Instruction

  • Before use, mix thoroughly according to the ratio, adjust viscosity to 16-18 seconds/4 cups at 25°C, spray 2 coats, with a film thickness of 35-50μm.

  • Flash dry for 10-15 minutes at 70-80°C, bake for 45 minutes, or air dry for 24 hours at 25°C.

  • The usable time after mixing the paint is 6 hours at 25°C.

Caustions

  1. It is not advisable to apply too thick a coat at once; each layer requires a certain flash-off time.
  2. To ensure the best spraying results, please use the corresponding hardener and thinner.
  3. Select different types of hardener and thinner based on the varying application temperatures and environmental conditions.

Technical Data

Inspection items Technical indicators Inspection method
Material Status in Containers Easy to stir evenly without foreign matter GB/T 3186
Fineness, μm ≤30 GB/T 1724
Solids content (120°C, 2h)% ≥45 GB/T 1725
Storage Stability, Grade Precipitability ≥ 8 grade and crusting ≥ 10 grade GB/T 6753.3
Viscosity, Coated – 4 cup, 25°C, s ≥35 GB/T 1723
Working Viscosity, Coated-4 cup,25°C,s 16~18 GB/T 1723
Dryness Surface Drying , 25°C ≤30min GB/T 1728
Completely dry, 25°C ≤24h
Drying, 70-80°C ≤45min
Hardness, pencil hardness tester ≥H GB/T 6739
Adhesion, Grid method, Grade ≤1 GB/T 9286
Flexibility,mm 1 GB/T 1731
Gross  60° ≥95 GB./T 9754
Impact strength,cm 50 GB./T 1732
Waterproof,240h Non-foaming, non-wrinkling, non-falling GB/T 5209
Gasoline resistance Non-foaming, non-wrinkling, non-falling,allow slight discoloration GB/T 1734
Damp heat resistance(120h),Grade ≤1 GB/T 1740
Acid resistance(0.05mol/1 H2SO4),24h No foaming, no peeling, slight discoloration allowed slight discoloration GB/T 9274
Alkali resistance (0.1 mol/1 Na0H),24h No foaming, no peeling, slight discoloration allowed GB/T 9274
Salt Spray Resistance Series A (240h),

Series B (168h), Grade

 ≤1 GB/T 1771

Package and Storage

The standard  packing: 1L or 5L.

The product shelf life is 1 year at 25°C. Expired products can be used if tested, at your own risk.