prov:value
| - Thus, the appearance and purpose of use of the pipe fitting 1 can vary within very broad limits.The pipe fitting 1 is made of plastic, such as polyethylene PE, polypropylene PP, cross-linked polyolefin plastic, such as cross-linked polyethylene PEX, polyamide PA, polysulphone PSU, polyphenylsulphone PPSU or polyvinyldene fluoride PVDF. Ifdesired, additives, such as a reinforcement, e.g. glass fibr
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