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Uporabljeni materiali iz PPR cevi

2018-11-14

Production of polyethylene pipe polyethylene odorless, nontoxic, feel like wax, with excellent low temperature resistance (minimum use temperatures up to -70~-100), good chemical stability, resistant to most acid and alkali erosion (not with oxidation properties of acid-resistant), not soluble in common solvents at room temperature, Hygroscopicity small.

Toda PPR cev kot linearne molekule, počasi topne v nekaterih organskih topilih, brez otekanja in odlične električne izolacijske lastnosti; toda polietilen je na obremenitev okolja (kemično in mehansko) zelo občutljiv na toplotno staranje.

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