... forever, like the common progress of our cause! ! Rock wool sandwich panel Color anti-static (Baosteel): 1, ... 0.426mm, 0.476mm, 0.50mm, 0.60mm 4, rock wool density: ≥ 120kg/m3 5, thermal conductivity coefficient: ... from the company's large iron and steel factory at home and abroad, have strict quality assurance, ... discharge and to prevent dust can attachment! Rock wool sandwich panel Color anti-static