Show New Insulating Material A new Insulating material that ls 18 Incombustible Is mode made h by mixing per cent powdered asbestos 14 per cent powdered mica 20 per cent mineral rubber a soft sort substance found in deposits deposits de de- de posits of oleaginous schist 1 per cent rosin and 0 03 3 per cent of bl of selenium After Atter washing and evaporating evaporating evaporating orating In the air a a ahard hard nonabsorbent non absorb ent eat substance Is obtained which on heating becomes plastic and can be molded to an any shape shave |