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Title: Tripl-Dek - A New Gas Service Material
Author: J. W. Lynch
Source: American Gas Association 1978
Year Published: 1978
Abstract: The item Ill talk about today is commercially known as Tripl-Dek, a 5/8 O.D. service material composed of plastic, aluminum, and a copolymer lining on the aluminum hence the trade name. At N!-Gas we refer to it as P/AC, which stands for Plastic- Aluminum Composite. Ill talk about its development and why we at NI-Gas feh the need for it, the success weve had in several years of using it as our primary service material, and what we feel are its most significant advantages. To be more specific, P/AC is a polyethylene plastic 2306, TR418 material, 74 mils thick extruded over a copolymer coated aluminum strip that has been formed into a lap joint tube, manufactured in accordance with ASTM 2513. The aluminum has a thickness of 12 mils and the copolymer coating is 2.5 mils thick. Tests run at Samuel Moore & Company, its producer and by the NI-Gas Research & Development Department reveal that P/AC is a much stronger material than plastic.




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