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GB 15763.3-2009: Safety glazing materials in building -- Part 3: Laminated glass Delivery: 9 seconds. True-PDF full-copy in English & invoice will be downloaded + auto-delivered via email. See step-by-step procedure Status: Valid
Similar standardsGB 15763.3-2009: Safety glazing materials in building -- Part 3: Laminated glass---This is an excerpt. Full copy of true-PDF in English version (including equations, symbols, images, flow-chart, tables, and figures etc.), auto-downloaded/delivered in 9 seconds, can be purchased online: https://www.ChineseStandard.net/PDF.aspx/GB15763.3-2009ICS 81.040 Q 33 GB NATIONAL STANDARD Replacing GB 9962-1999 Safety Glazing Materials in Building - Part 3. Laminated Glass Issued on: MARCH 28, 2009 Implemented on. MARCH 1, 2010 Issued by. General Administration of Quality Supervision, Inspection and Quarantine of the People’s Republic of China; Standardization Administration of the People’s Republic of China Table of ContentsForeword... 3 1 Scope... 5 2 Normative References... 5 3 Terms and Definitions... 6 4 Classification... 9 5 Material... 9 6 Requirements... 10 7 Test Methods... 16 8 Inspection Rules... 21 9 Packaging, Marking, Transportation and Storage... 24 Annex A (Informative) Usage Suggestion on Safety Glazing Materials in Building... 26 Annex B (Normative) Falling Ball Impact Specimen Support... 30 Annex C (Normative) Test Equipment for Shot‐bag Impact Performance... 31 Annex D (Normative) Force‐measuring Ball... 35 Annex E (Informative) Frame Calibration for Shot‐bag Impact Classification Test... 361 ScopeThis part specifies the terms and definitions, classification, material, requirements, test methods and inspection rules of laminated glass in building. This part is applicable to the laminated glass in building.2 Normative ReferencesThe articles contained in the following documents have become part of this standard when they are quoted herein. For the dated documents so quoted, all the modifications (excluding corrections) or revisions made thereafter shall not be applicable to this Standard. For the undated documents so quoted, the latest editions shall be applicable to this Standard. GB/T 308 Rolling Bearings - Steel Balls GB/T 531 Rubber, Vulcanized - Determination of Shore A Hardness GB/T 1216 External Micrometer GB/T 5137.2-2002 Test Methods of Safety Glazing Materials Used on Road Vehicles – Part 2.Optical Properties Tests GB/T 5137.3-2002 Test Methods of Safety Glazing Materials Used on Road Vehicles - Part3.Radiation, High Temperature, Humidity, Fire and Simulated Weathering Resistance Tests GB/T 9056 Metal Ruler GB 15763.2-2005 Safety Glazing Materials in Building - Part 2.Tempered Glass3 Terms and DefinitionsFor the purpose of this standard, the following terms and definitions apply. 3.1 Interlayer The material with separation and adhesive effects used between glass and/or plastic of two layers, which makes the laminated glass be provided with performance such as impact resistance, solar control and sound insulation. 3.2 Ionoplast interlayer The interlayer material that may be firmly bonded to the glass with a small amount of metal salts, and ethylene-methacrylic acid copolymer as the main material. 3.3 PVB interlayer The interlayer material with polyvinyl butyral as the main material. 3.4 EVA interlayer The interlayer material with ethylene-polyvinyl acetate copolymer as the main material. 3.5 Laminated glass The general name of composite material with glass-glass and/or glass-plastic structures separated by interlayer and bonded together through treatment. The glass member with glass-glass structure separated by the interlayer and bonded together through treatment is common and mostly used.4 Classification4.1 Classification by shape. 4.2 Classification by shot-bag impact performance.5 MaterialThe laminated glass consists of the combination of glass, plastic and interlayer materials. The materials adopted shall meet the requirements of relevant national standards, professional standards, technical conditions or order documents. 5.1 Glass Float glass, ordinary flat glass, patterned glass, polished wired glass, wired patterned glass, etc. may be selected. 5.2 Plastic Polycarbonate, polyurethane and polyacrylate may be selected. The plastic may be colorless, colored or coated; transparent or translucent. 5.3 Interlayer Materials with different types, components, mechanical and optical performance may be selected, such as ionoplast interlayer, PVB interlayer and EVA interlayer.6 RequirementsThe judgment of performance requirements and test methods for the laminated glass shall be in accordance with the relevant requirements specified in Table 1. 6.1.1.2 Linear defects in visible area Quantity of linear defects in visible area shall meet the requirements of Table 3. 6.1.2 Defects in edge area For the edge area of laminated glass with frames, the spot defects with diameter less than or equal to 5mm are permissible; if the spot defects are bubbles, the total area of bubbles shall not be greater than 5% of edge area. 6.1.3 Vents The defect is not permissible. 6.1.4 Chip The length or width shall not exceed the thickness of glass. 6.1.5 Delamination The defect is not permissible. 6.1.6 Creases and streaks due to interlayer inhomogeneity The defect is not permissible. 6.2 Permissible deviation in dimension 6.2.1 Permissible deviation in length and width The permissible deviation in length and width of final laminated glass shall meet the requirements of Table 4. 6.3 Degree of curvature Degree of curvature of the plane laminated glass is inspected in accordance with Section 7.5; for the arch plane, it shall not exceed 0.3%; for the wave plane, it shall not exceed 0.2%.Where the non-mineral glass is used as sheet material, the degree of curvature is jointly determined by the Supplier and the Demander. 6.4 Visible light transmittance Visible light transmittance of the laminated glass is inspected according to Section 7.5 and jointly determined by the Supplier and the Demander. 6.5 Visible light reflectance Visible light reflectance of the laminated glass is tested according to Section 7.6 and jointly determined by the Supplier and the Demander. 6.6 Wind load resistance performance Whether it is necessary to carry out this test shall be jointly determined by the Supplier and the Demander in order to reasonably select the proper material, structure, specification and dimension of laminated glass under the given wind load, or to verify whether the material, structure, specification and dimension of selected laminated glass meet the requirements of designed wind pressure. 6.7 Heat resistance The inspection is in accordance with Section 7.8.After the test, vents on the specimen are permissible and the part exceeding 13mm over the edge or vents shall be free from any bubbles or other defects. 6.8 Moisture resistance The inspection is carried out in accordance with Section 7.9.After the test, the part exceeding original edge, cut edge and vents by 15mm, 25mm and 10mm respectively shall be free from any bubbles or other defects. 6.9 Irradiation resistance The inspection is in accordance with Section 7.10.After the test, the sample shall be free from any significant discoloration, bubbles and turbidity. The relative change rate of visible light transmittance of the sample before and after the test shall not be larger than 3%. 6.10 Falling ball impact peeling performance The inspection is in accordance with Section 7.11.After the test, the interlayer shall not fracture and be exposed due to the fragment peeling. 6.11 Shot-bag impact performance The inspection is carried out in accordance with Section 7.12.After the test of each impact height, the sample shall be not damaged and/or safely damaged. Where the sample is damaged and simultaneously meets the following requirements, it is regarded as safe damage.7 Test Methods7.1 Test conditions Unless otherwise specified, all tests shall be carried out under the following conditions. 7.2 Appearance quality inspection Taking the product as sample, under the preferable natural light or scattered light, the sample is vertically placed and the sight line is vertical with glass. The observation is carried out 1m away from the sample. 7.3 Permissible deviation inspection in dimension 7.3.1 Measurement of width, length and diagonal line deviation Straight steel ruler or steel tape with the minimum scale of 1mm is used for the measurement. 7.3.2 Stacking fault Straight steel ruler with the minimum scale 0.5mm is used to measure along the glass edge and the maximum stacking fault is read. 7.4 Degree of curvature inspection The sample is placed for 4h under the test conditions specified in Section 7.1 and measured according to the requirements of GB 15763.2-2005. 7.5 Visible light transmittance test 3 samples are taken and tested according to the requirements of Chapter 4 in GB/T 5137.2-2002. 7.8 Heat resistance test 7.8.1 Specimen The specimen is prepared under the same processing technique with the product and has the same material with the product, or it is cut and taken directly from the product, but one edge of the specimen shall be part of original edge of the product. 7.8.2 Test device The electric blast oven with temperature control precision not greater than ±1ºC or the device which can heat water to boiling may be adopted as the test device. 7.10 Radiation resistance test 7.10.1 Specimen The specimen is a flat pattern test piece, and made of two pieces of colorless and transparent flat glass and interlayer material same with that of the product under the same interlayer process condition. 7.10.2 Test device It shall meet the requirements of GB/T 5137.3. 7.12.2 Test device The test devices include a fixed test frame, a clamping frame keeping the specimen within the test frame, an impact body with suspension device and release device (see Annex C) and force measurement ball device (see Annex D). The test frame shall be provided with enough rigidity and firmly fixed, and the specific requirements are detailed in Annex E.8 Inspection Rules8.1 Inspection classification The inspection is divided into delivery inspection and type inspection. 8.1.1 Delivery inspection The inspection items are dimension and deviation, appearance quality and degree of curvature, other inspection items are determined through negotiation between the Supplier and the Demander. 8.1.2 Type inspection The safety performance requirements in the technical requirements are required inspection item, other requirements are determined through negotiation between the Supplier and the Demander. 8.2 Batching and sampling rules 8.2.1 Random sampling is carried out for the permissible deviation in dimension, appearance quality and degree of curvature of the product according to Table 7. 8.2.2 Where the product is used for testing on other technical performances, random sampling with the required quantity by inspection item shall be conducted from products of this batch; 8.3 Judgment rules 8.3.1 Permissible deviation in dimension, appearance quality and degree of curvature If the unqualified products number of the permissible deviation in dimension, 8.3.5 Falling ball impact peeling performance 6 specimens are tested. It is qualified where the 5 or above specimens all meet the requirements, it is unqualified where 3 or below specimens meet the requirements. Where 4 specimens meet the requirements, another 6 specimens are added for the test, it is qualified where the 6 specimens all meet the requirements.9 Packaging, Marking, Transportation and Storage9.1 Packaging The products are packaged with freight containers or wooden cases. Glass is isolated with plastic film or paper. The space between the laminated glass and packaging box is filled with the soft material not causing the appearance defect of scratch. The specific requirements shall be in accordance with those specified in JC/T 512. 9.2 Marking Mark shall meet the relevant requirements of JC/T 512.The words of "Upward and handle with care", thickness, type, manufacturer and brand of glass shall be marked. 9.3 Transportation The products are transported with various vehicles, the rules and conditions shall meet the relevant requirements of JC/T 512. 9.4 Storage Products shall be stored in a dry room. ......Source: Above contents are excerpted from the full-copy PDF -- translated/reviewed by: www.ChineseStandard.net / Wayne Zheng et al. 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