This rubber contains less than half the normal amount of protein and mineral matter present in pale crepe and is prepared from latex that has been centrifuged to remove some of the naturally occurring nonrubber substances. IV.E Rubber Powder. There are several types of rubber powder that are made in different ways.
Aluminum sulfate is a white powder, flakes or granular. Soluble in water, acids, and bases, but not in ethanol. The aluminum sulfate liquid is acidic. After hydrolysis, aluminum hydroxide is formed. Aluminum hydroxide is mainly used as water treatment chemical. Besides, it is also used as the precipitant of rosin gum, wax emulsion and other