... is made of rock,and its melting point is over 1000 °C ,and therefore non-flammable.If fire occurs,rockwool doesnot produce ... (the insulation performance ) will not be affected. in addtion,rockwool within unique fiber structure,formed within tens of thousands of ... international cancer research identifies as non-carcinogens,Material safety of rockwool products,and therefore harmless to the body home and ...