National reunification counseling hot line
028-84314686
telephone£º
0086-13880562815
phone£º
0086-28-84314686 84438416
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product description:
97% silica fume: the appearance of gray powder, white or gray powder, SiO2 content of about 97%, half encryption and high encryption products, suitable for high-grade refractory materials, high-end products, such as concrete, using as an essential additive.
Specifications:
