Aug 20, 2021 · (4) Synthetic polymers (polyacrylamide, polyvinyl alcohol, polyvinylpyrrolidone, polyethylene oxide, modified paraffin resin, carbo resin, polyacrylic acid, polyacrylate copolymer emulsion, cis-butyl rubber, styrene-butadiene rubber, polyurethane, modified polyurea, low molecular polyethylene wax).
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