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The Bio-soluble refractory fiber is made from SiO?CaO?MgO powder through Super special mineral electric melting furnace. Except the features of Al2O3-SiO2 refractory ceramic fiber, the chemical composition of Bio-soluble refractory fibers conform to the index which man-made vitreous(silicate)fibers with random orientation with alkaline oxide and alkali earth oxide(Na2O+K2O+CaO+MgO+BaO) content greater than 18% by weight. And Bio-soluble refractory fibers have passed the test of EU ECB/TM/26,Revision 7,Nota Q,97/69/EC,its solubility is between 50-250ng/cm2?hr,which reaches the EU KNB index and Germany KI index, without the carcinogen. Additional, Bio-soluble refractory fiber passed the test of Germany dangerous material directive. About the application suggestions and other products information, please refer to the MSDSlink:http://www.luyangwool.com