GB 15763.3-2009 PDF English
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Safety glazing materials in building -- Part 3: Laminated glass
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GB 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/GB15763.3-2009
ICS 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 Contents
Foreword... 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... 36
1 Scope
This 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 References
The 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 Glass
3 Terms and Definitions
For 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 Classification
4.1 Classification by shape.
4.2 Classification by shot-bag impact performance.
5 Material
The 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 Requirements
The 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 Methods
7.1 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 Rules
8.1 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 Storage
9.1 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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