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Shijiazhuang Kedahua Imp&Exp Trade Co.,Ltd

Free member Since 2012

Hebei, China

1.Data for reference: Element: SiO2 MgO Al2O3 Fe2O3 CaO K2O H2O PH Content%37-42 11-23 9-17 3.5-18 1-3 5-8 7-18 8-11 Expansion Coefficient 6.5-11times Asbestos fibers:NONE 2.Color:silver and old .....

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