as casting resin, (textile) fibre, polyurethane varnish or adhesive, but most often used as foam. 12 PP Abbreviation for polypropylene, a thermoplastic. Its [...] as casting resin, (textile) fibre, polyurethane varnish or adhesive, but most often used as foam. 12 PP Abbreviation for polypropylene, a thermoplastic. Its
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