United Poly Systems, LLC recently became the first manufacturer to achieve NSF International certification to UL Standard 651A for polyethylene electrical conduit pipe, according to a press release.

Gift Article 10 Remaining As a subscriber, you have 10 articles to gift each month. Gifting allows recipients to access the article for free. After completing its move of plastics testing laboratories ...

SEOUL, South Korea, March 28, 2025--(BUSINESS WIRE)--NSF, a leading testing and certification organization in the water industry, is proud to announce that PPI PIPE Co. Ltd. ("PPI PIPE"), a South ...

Ann Arbor, Mich.-based NSF International has acquired the laboratory operations of Aurora, Ontario-based Jana Laboratories Inc. for an undisclosed amount. Jana's Aurora operations consist of a ...

United Poly Systems 1” coiled Schedule 40 plastic conduit is among UPS’s first pipes to be certified by NSF International to UL 651A. Photo credit: United Poly Systems, LLC. United Poly Systems 1” ...