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GB 12952-2011 PDF English

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GB 12952-2011: Polyvinyl chloride plastic sheets for waterproofing
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GB 12952: Evolution and historical versions

Standard IDContents [version]USDSTEP2[PDF] deliveryName of Chinese StandardStatus
GB 12952-2011English125 Add to Cart 0-9 seconds. Auto-delivery Polyvinyl chloride plastic sheets for waterproofing Valid
GB 12952-2003English599 Add to Cart 4 days Polyvinyl chloride plastic sheets for waterproofing Obsolete
GB 12952-1991English439 Add to Cart 4 days Polyvinyl chloride plastic sheets for waterproofing Obsolete

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GB 12952-2011: Polyvinyl chloride plastic sheets for waterproofing

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GB NATIONAL STANDARD OF THE PEOPLE’S REPUBLIC OF CHINA ICS 91.120.30 Q 17 Replacing GB 12952-2003 Polyvinyl Chloride Plastic Sheets for Waterproofing 聚氯乙烯(PVC)防水卷材 Issued on: DECEMBER 30, 2011 Implemented on: DECEMBER 1, 2012 Jointly Issued by. General Administration of Quality Supervision, Inspection and Quarantine (AQSIQ); Standardization Administration (SAC) of the People's Republic of China.

Table of Contents

1 Scope ... 5 2 Normative References ... 5 3 Terms and Definitions ... 6 4 Classification and Designation ... 7 5 Requirements ... 8 6 Testing Methods ... 10 7 Inspection Rules ... 17 8 Marking, Packaging, Storage and Transport ... 18 Appendix A (Normative) Static Wind Uplift Resistance Test Method for Single-layer Sheet Roofing ... 20 Appendix B (Informative) Dynamic Wind Uplift Resistance Test Method for Single-layer Sheet Roofing ... 27 Foreword Section 5.3 of this Standard is compulsory; the rest are voluntary. This Standard was drafted according to the rules specified in GB/T 1.1-2009. This Standard replaces GB 12952-2003 "Polyvinyl Chloride Plastic Sheets for Waterproofing". Compared with GB 12952-2003, the main technical changes in this Standard are as follows. - The product classification was modified (see Chapter 4 in this Standard; Chapter 3 in Version 2003); - The static load resistance, peeling off seam strength, tear resistance, water absorption and wind uplift resistance were added; adhesion at shearing was deleted (see Section 5.3 in this Standard; Section 4.3 in Version 2003); - The classification of Type I and II was deleted; heat ageing and artificial weathering test time were added (see Section 5.3 in this Standard; Section 4.3 in Version 2003); - The test methods in GB/T 328 were adopted (see Chapter 6 in this Standard; Chapter 5 in Version 2003); - The wind uplift resistance test method was added (see Appendixes A and B). This Standard is not equivalent to ASTM D4434. Appendix A of this Standard refers to ANSI/FM 4474-2004 "Evaluating the Simulated Wind Uplift of Roof System with Static Positive Pressure and/or Negative Pressure"; Appendix B of this Standard refers to ETAG 006.2007 "Guideline for European Technical Approval of Systems of Mechanically Fastened Flexible Roof Waterproofing Membranes". This Standard was proposed by China Building Materials Federation. This Standard shall be under the jurisdiction of Subcommittee on Building Waterproof Materials of National Technical Committee on Light and Decorative Materials of Standardization Administration of China (SAC/TC 195/SC 1). Chief Drafting Organizations of this Standard. China Building Materials Academy Suzhou Waterproof Research Institute, Technical Supervision & Research Center for China Building Material Industry, China National Building Waterproof Association, and Shanghai Research Institute of Building Sciences (SRIBS). Participating drafting organizations of this Standard. Sarnafil Waterproofing Systems (Shanghai) Ltd., Shenzhen Zhuobao Technology Co., Ltd., Shanghai ShenDa Kobond New Materials Co,.Ltd., Soprema Shanghai Trading Company, Shanghai Hainer Polyvinyl Chloride Plastic Sheets for Waterproofing

1 Scope

This Standard specifies the terms and definitions, classification and designation, requirements, test methods, inspection rules, marking, packaging, storage and transport of polyvinyl chloride plastic waterproofing sheets. This Standard is applicable to polyvinyl-chloride-based plastic waterproofing sheets that are used for waterproofing in construction works.

2 Normative References

The following documents contain provisions which, through reference in this text, constitute provisions of this Standard. For dated references, only the dated edition applies. For undated references, the latest edition (including all amendments) applies. GB/T 328.5-2007 Test Methods for Building Sheets for Waterproofing - Part 5. Plastic and Rubber Sheets for Waterproofing - Thickness and Mass Per Unit Area GB/T 328.7 Test Methods for Building Sheets for Waterproofing - Part 7. Plastic and Rubber Sheets for Waterproofing - Length, Width, Straightness and Flatness GB/T 328.9-2007 Test Methods for Building Sheets for Waterproofing - Part 9. Plastic and Rubber Sheets for Waterproofing - Tensile Properties GB/T 328.10-2007 Test Methods for Building Sheets for Waterproofing - Part 10. Bitumen Plastic and Rubber Sheets for Waterproofing - Watertightness GB/T 328.13 Test Methods for Building Sheets for Waterproofing - Part 13. Plastic and Rubber Sheets for Waterproofing - Dimensional Stability GB/T 328.15 Test Methods for Building Sheets for Waterproofing - Part 15. Plastic and Rubber Sheets for Waterproofing - Foldability at Low Temperature GB/T 328.19 Test Methods for Building Sheets for Waterproofing - Part 19. Plastic and Rubber Sheets for Waterproofing - Resistance to Tearing GB/T 328.21 Test Methods for Building Sheets for Waterproofing - Part 21. Plastic and Rubber Sheets for Waterproofing - Peeling Off Seam Strength GB/T 328.25-2007 Test Methods for Building Sheets for Waterproofing - Part 25. Bitumen Plastic and Rubber Sheets for Waterproofing - Resistance to Static Loading GB/T 528 Rubber, Vulcanized or Thermoplastic - Determination of Tensile Stress - Strain Properties GB/T 529 Rubber Vulcanized or Thermoplastic - Determination of Tear Strength (Trouser, Angle and Crescent Test Pieces) GB/T 10801.2 Rigid Extruded Polystyrene Foam Board for Thermal Insulation (XPS) GB/T 18244 Test Methods for Resistance to Weathering of Building Waterproofing Materials GB/T 18378 Terminology for Waterproof Bitumen and Waterproof Sheet GB/T 20624.2 Paints and Varnishes - Rapid-deformation (Impact Resistance) Tests - Part 2. Falling-weight Test (Small-Area Indenter) GB 50009 Load Code for the Design of Building Structures

3 Terms and Definitions

For the purpose of this Standard, the terms and definitions given in GB/T 18378 AND the following terms and definitions apply. 3.1 Homogeneous polyvinyl chloride plastic waterproofing sheets Polyvinyl chloride plastic waterproofing sheets where no internally reinforcing materials or backing materials are adopted. 3.2 Polyvinyl chloride plastic waterproofing sheets backed with fabric Polyvinyl chloride plastic waterproofing sheets where fabrics, such as polyester nonwoven fabrics, are compounded on the lower surface of plastic sheets. 3.3 Polyvinyl chloride plastic waterproofing sheets internally reinforced with fabric Polyvinyl chloride plastic waterproofing sheets which are reinforced in the middle of plastic sheets with polyester or fiberglass mesh fabric. 3.4 Polyvinyl chloride plastic waterproofing sheets internally reinforced with glass fibers Polyvinyl chloride plastic waterproofing sheets that are added with short glass fiber or fiberglass nonwoven fabrics which have no visible effect on mechanical performance (such as tensile properties) and only improve the product size stability. 3.5 Polyvinyl chloride plastic waterproofing sheets internally reinforced with glass fibers and backed with fabric Polyvinyl chloride plastic waterproofing sheets which are added with short glass fiber or fiberglass nonwoven fabrics and where fabrics, such as polyester nonwoven fabrics, are compounded on the lower surface of plastic sheets.

4 Classification and Designation

4.1 Classification Based on composition, the product is classified into homogeneous plastic sheets (with Code H), plastic sheets backed with fabric (with Code L), plastic sheets internally reinforced with fabric (with Code P), plastic sheets internally reinforced with glass fibers (with Code G) and plastic sheets internally reinforced with glass fibers and backed with fabric (with Code GL). 4.2 Specification Nominal length. 15m, 20m and 25m. Nominal width. 1.00m and 2.00m. Thickness. 1.20mm, 1.50mmm 1.80mm and 2.00mm. Other specifications may be determined through negotiation between supplier and purchaser. 4.3 Designation The product designation is in the following sequence. product name (Code PVC plastic sheets), exposed or non-exposed, type, thickness, length, width and standard number. Example. the designation of 20m long, 2.00m wide, 1.50mm thick exposed polyvinyl chloride plastic waterproofing sheet (Class L) is as follows. PVC plastic sheets exposed L1.50mm/20m×2.00m GB 12952-2011 measured segments minus 150mm. 6.3.2 Thickness 6.3.2.1 Thickness of Class H, P and G plastic sheets The thickness of Class H, P and G plastic sheets are measured mechanically based on 5 points according to GB/T 328.5-2007. The average of the 5 points is adopted as the thickness of plastic sheets, and the minimum individual value is reported. 6.3.2.2 Thickness of Class L and GL plastic sheets and resin layer above reinforcement Take one 50mm×50mm sample respectively at 5 points mentioned in Article 6.3.2.1, and cut transversely from each sample, with a thin sharp blade, an approximately ... ......
Source: Above contents are excerpted from the full-copy PDF -- translated/reviewed by: www.ChineseStandard.net / Wayne Zheng et al.


      

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