Ascorbic Acid (vitamin B), as a building material additive, has been used to build expressways, highrise buildings, bridges, culverts, and other projects. Description This is Ascorbic acid Vitamin C Ascorbic acid is a yellow or white crystal
Fumed silica (fumed silica) is an essential inorganic, nonmetallic material that has been widely used in many fields due to its unique nanostructure and excellent physical and chemical properties.
Natural composite graphite216 is comprised of 70% natural and 30% artificial graphite. Artificial graphite is mainly used to improve liquid absorption, circulation and other aspects.Particle size 14um About 99.95% Natural Composite Graphite 216 L
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