GB/T 328.4-2007 English PDF

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GB/T 328.4-2007: Test methods for building sheets for waterproofing -- Part 4: Bitumen sheets for waterproofing-thickness and mass per unit area
Status: Valid

GB/T 328.4: Historical versions

Standard ID	USD	BUY PDF	Lead-Days	Standard Title (Description)	Status
GB/T 328.4-2007	134	Add to Cart	3 days	Test methods for building sheets for waterproofing -- Part 4: Bitumen sheets for waterproofing-thickness and mass per unit area	Valid
GB/T 328.4-1989	199	Add to Cart	2 days	Test methods for asphalt waterproof roll roofing--Water absorption of asphalt	Obsolete

Similar standards

GB/T 328.15   GB/T 328.13   GB/T 328.21   GB 45320   GB 45671   GB/T 18445   

Basic data

Standard ID: GB/T 328.4-2007 (GB/T328.4-2007)
Description (Translated English): Test methods for building sheets for waterproofing -- Part 4: Bitumen sheets for waterproofing-thickness and mass per unit area
Sector / Industry: National Standard (Recommended)
Classification of Chinese Standard: Q17
Classification of International Standard: 91.120.30
Word Count Estimation: 7,725
Date of Issue: 2007-03-26
Date of Implementation: 2007-10-01
Quoted Standard: GB/T 328.1
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 asphalt roofing membrane thickness, Determination of mass per unit area. Bitumen membrane thickness for most measurements, including mineral material membrane. Measuring the thickness of the surface obviously does not apply to construction or a rugged fiber backing membrane. For these products, instead of using the mass per unit area thickness. Determination of mass per unit area is suitable for inspection, express values ??declared by the manufacturer, not for perforated materials.

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