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Flame retardant and fireproof foam glue (foam sealant) is made of high polymer materials such as polyurethane, polyimide, silicone rubber, etc., combined with expansion agent, flame retardant and other auxiliary materials.

Ammonium polyphosphate is an inorganic polymer compound, which has a wide range of applications in fire retardant, oil reservoir recovery, water treatment and other fields. The following are the main applications of ammonium polyphosphate:

Strong acid and alkali resistance: Aluminum hydroxide is relatively stable in a neutral or weak alkaline environment, can resist the corrosion of most weak acids or medium-strong acids, and can also neutralize some alkaline substances.

Zinc borate is usually prepared in two ways: neutralization method and hydrothermal synthesis method.