... MetaltechTM Offering the built-in protection that can not be laundered out.Superior splash protection againt motlen metal like: ... Flame Spread, EN366 Protection Against Radiant Heat, EN373 Protection Against Molten Metal Splash and EN367 Protection Against Convective Heat.Two ... Petrochemical ,welding Metallurgy In the scope of Electric Arc protection , Shanghai C&G , as the first manufacturer that ...