Wês wis te sizzen trije, it moat wêze: PPR, PVC, PE 1. Faak brûkte plestik buizen binne: PPR (polypropylene), PVC (polyvinyl chloride), PB (polybutene), PE-RT (hitte-resistant polyethylene), PE (polyetyleen) \HDPE (fersterke hege tichtheid polyetyleen) ethylene), ensfh Twads, de grutte fan plestik piip ...
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