... 5MM:7.1KGS.12MM:9.2KGS.12.5MM:9.5KGS
2.Fire resistant propertyNo- flammable B1 in accordance with Chinese ... effective resisting dust,conform to the standard of GB6566-2001<
Building material radioactive nuclide ration>Moisture resistant, slight deviation,easy to ... clean, moisture rate ≤
2%,conform to the national standard JC/T997-2006