Epoxy Coal Tar Varnish

Execution Standard: Q/SHT-JC064-2012
Ratio: A:B=20:10
Net Weight: A20 kg/drum; B10 kg/drum
Condition in Container
Paint: Black viscous liquid
Curing Agent: Transparent, light to dark brown viscous liquid
Film Color and Appearance: Black, film smooth and even
Viscosity (Paint) (Cup-4), S ≥ 40
Drying Time, h ≤
Surface Dry 4
Hard Dry 24
Fineness, μm ≤ 40
Flexibility, mm ≤ 2
Impact Resistance, cm ≥ 40
Non-Volatile Content (Paint) % ≥ 50
Salt Water Resistance (Immersion in 3% NaCl Solution), 10d No change in film
Alkali Resistance [Immersion in 5% NaOH Solution (W/W)], 168h No abnormality in film
Acid Resistance [Immersion in 5% H2SO4 Solution (W/W)], 168h No abnormality in film
Volatile Oil Resistance (Immersion in 200# Solvent Oil for Coatings), 48h No abnormality in film
Salt Spray Resistance (5% NaCl Solution), 120h No blistering, no peeling, no rusting