... were placed in incubators, remove greenhouse cooling, and then test the adhesionLong-term environment in100°C Fire ExtinctionLiquefied petroleum gas ... H2SO4,10%NAOH,gasoline,ethanolNo color and trace changeSalt Spray Test 5%Nacl,35±2°C,500hours No damageProduction Performance1. ... Shanghai or Ningbo Lifespanmore than 10 years Whole Production Line High-quality Galvanized Roof Steel Sheet