1.Defender fireproof door core is green product
2,grade a fireproofing materials
3.light weight & good strength
4.easily cut
Defender Fireproof Door Core
Defender Fireproof Door core benefits from being grade a Fire Proof, Water Resistant, Bug and Mildew Free and provides Superior Insulation.It is environment friendly product with stable physical property,which is much better than tranditional
fireproof door core such as: honeycomb board,mineral board,XPS and so on.
1,density dried<300kg/m3
2,conductivity<0.08/W/(m·K)
3,bending strength>0.06MPA
4,water absorbing<8%
5,expanding rate<0.2%
6,shrinkage rate<0.08mm
7,fireproof grade>A1
8,frost resistance>after 15 time frozen test,no visible change