H1/ 2 for automobile and wood-finishing lacquers, brushing lacquers, paper coating, etc. very durableand moderate.H1/ 2aS, Visco: 3.2-6.0, nitrogen% 11.5-12.2, transmitting rate% e85, acidity% d0.06, exposive pointe180, ash content% d0.2, damping media% 30+ _2. H1/ 2bS, Visco: 6.1-8.4, nitrogen% 11.5-12.2, transmitting rate% e85, acidity% d0.06, exposive pointe180, ash content% d0.2, damping media% 30+ _2,