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TUB121N is a natural bimodal high density polyethylene copolymer designed for extrusion of potable water, natural gas, industrial and mining pipe
When blended with an approved black concentrate, the resulting formulation (“TUB 121”) is listed by the Plastics Pipe Institute (PPI TR-4, as both PE 4710 and PE 100) and is certified to ANSI/NSF Standard 14, CSA B137.1 and CSA B137.4.
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