Flame retardant geomembranes usually use high polymer materials such as polyethylene and polypropylene as the main raw materials, and a certain proportion of flame retardants and other additives need to be added.
Redispersible Polymer powder(RDP) are water-soluble redispersible powders, which are divided into ethylene/vinyl acetate copolymers, vinyl acetate/ethylene tertiary carbonate copolymers, acrylic acid copolymers, etc., using polyvinyl alcohol as a protective colloid and spray-dried powder.
HPMC (Hydroxypropyl methylcellulose), also known as hypromellose, is a type of non-ionic cellulose ether. It typically appears as a white powder or loose fibrous material, with particles sized to pass through an 80-mesh sieve.