Bismuth boasts a number of outstanding characteristics such as low melting point and specific gravity. It also has volume expansion and contraction during solidification. Purity>99%Particle Size: 80nm About Bismuth Bi powder: Bismuth when fresh
Foamed cement, also known as foamed cement, lightweight concrete, etc., is a new type of building panel. Domestic and foreign technologies and markets are already quite mature. As a new green building energy-saving material, foamed cement has a wide range of uses, such as:
The action principle of penetrant mainly involves two aspects: on the one hand, by improving the wettability of the surface of the object, the liquid can penetrate the interior of the object; On the other hand, it increases the permeability and absorption of substances by destroying the cell membrane structure.
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