Perlite

1. Low thermal conductivity 2.low thermal capacity 3.Excellent thermal stability 4. thermal shock resistance application it  is widely  used in   heat insulation  ,cold insulation   pipe and underground pipe ...

perlite fireproof door core board a.made of expanded perlite b.fire limit: 0.6-2h c.density:450kg/m3 d.temp. resist:1300'C perlite fireproof door core board 1.       Production Introduction Perlite mineral core is consist of...