Hastelloy alloy has made remarkable breakthrough in 1960s. Before that corrosion hinders the development need to weld the alloy solution treatment HAZ corrosion resistance can lower the number of devices produced by welding must be applied engineering problems to provide solutions HastelloyC-276 case http://www.jyx66 /
Insulation board made of glass wool board is mainly used for tanks, pipes and equipment insulation; basalt or diabase rock wool board for external wall,roofing insulation. It also used for tanks, equipment and building decorative acoustic absorption or acoustic insulation.
