GB/T 328.21-2007: Test methods for building sheets for waterproofing -- Part 21: Plastic and rubber sheets for waterproofing-resistance to peeling of joints

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Scope

This Part of GB/T 328 specifies a method for determining the resistance to peeling of
joints between two adjacent sheets of the same plastic or rubber sheets for roof
waterproofing.
This test method will be used mainly for testing the joints in mechanically fastened
plastic or rubber sheets for roof waterproofing.
The peeling characteristics of a joint between two widths of plastic or rubber sheets
vary considerably depending on the material, method of jointing, the size of the
overlap and the workmanship.

Basic Data

Standard ID	GB/T 328.21-2007 (GB/T328.21-2007)
Description (Translated English)	Test methods for building sheets for waterproofing -- Part 21: Plastic and rubber sheets for waterproofing-resistance to peeling of joints
Sector / Industry	National Standard (Recommended)
Classification of Chinese Standard	Q17
Classification of International Standard	91.120.30
Word Count Estimation	8,833
Date of Issue	2007-03-26
Date of Implementation	2007-10-01
Quoted Standard	GB/T 328.1; JJG 139-1999
Regulation (derived from)	China National Standard Approval Announcement2007 No.3 (Total No.103)
Issuing agency(ies)	General Administration of Quality Supervision, Inspection and Quarantine of the People's Republic of China, Standardization Administration of the People's Republic of China
Summary	This standard specifies the determination of the same polymer indirect seam roofing waterproofing membrane peeling properties. This test method is mainly used for testing mechanically fixed waterproofing seams. Peel properties of plastic and rubber materials in accordance with inter- lap width, lap methods, vary the overlap of different sizes and operating process.