... from basalt, diabase and dolomite with melting at 1500℃ to high speed spinners fibers. Then the fibers are collected together to ... through pendulum, crimping and pressing process, get into the curing oven through which the wool mats are cured and shape up ... , wall interior partitions,train compartment.4.For cool-making and high buildings required to be fireproof, heat resistant and sound insulating ...