GB/T 35450-2017Polycarbonate film and sheet (English PDF)
聚碳酸酯薄膜及片材
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Issued by
SAMR; SAC
Level / Type
National · Recommended
Issue date
December 29, 2017
Implementation date
July 1, 2018
Scope
GB/T 35450-2017 is the English-translated version of 聚碳酸酯薄膜及片材.
GB/T 35450-2017 is the Chinese standard "Polycarbonate film and sheet". Its scope clause reads: This standard specifies the polycarbonate film and sheet classification, requirements, test methods, inspection rules, signs, packaging, transportation and storage.
This standard applies to polycarbonate resin as the main raw material, extrusion calendering or casting method of production of polycarbonate film and Sheet. This standard does not apply to direct contact with food polycarbonate film and sheet. Its clauses include categories; requirements.
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Document preview — GB/T 35450-2017
National Standard of the People's Republic of China
- ICS
- 83.140.10
- Classification
- G 31
Issued by: State Administration for Market Regulation; Standardization Administration of the PRC
Contents
- 1 Scope
- 2 Normative references
- 3 categories
- 4 requirements
1 Scope
This standard specifies the polycarbonate film and sheet classification, requirements, test methods, inspection rules, signs, packaging, transportation and storage.
This standard applies to polycarbonate resin as the main raw material, extrusion calendering or casting method of production of polycarbonate film and
Sheet.
This standard does not apply to direct contact with food polycarbonate film and sheet.
2 Normative references
The following documents for the application of this document is essential. For dated references, only the dated version applies to this article
Pieces. For undated references, the latest edition (including all amendments) applies to this document.
GB/T 1040.3-2006 Plastics - Determination of tensile properties - Part 3. Test conditions for films and sheets
GB/T 1408.1-2016 Methods of test for electrical strength of insulating materials - Part 1. Test under power frequency
Plastics - Determination of burning behavior - Horizontal and vertical methods
Transparent plastics - Determination of light transmittance and haze GB/T 2410-2008
GB/T 2918 plastic sample conditioning and testing of the standard environment
Plastics - Determination of thickness of films and sheets - Mechanical measurement GB/T 6672-2001
Plastics films and sheets - Determination of length and width GB/T 6673-2001
Test method for dimensional change of heating rate of plastic film and sheet GB/T 12027-2004
3 categories
Divided by purpose. Ordinary level, flame retardant and optical grade.
4 requirements
4.1 appearance
Appearance should be smooth, does not allow the use of impurities, scratches, holes, damage and other defects.
4.2 size deviation
4.2.1 thickness deviation
Thickness deviation should be consistent with the provisions of Table 1.
Table 1 thickness deviation
Nominal thickness d0/mm Limit deviation /% d0<=0.100 ± 15
0.100 \u003cd0<=0.250 ±10 d0 > 0.250 ± 6 […]
......
This preview omits tables, figures, formulas and parts of the technical clauses. The complete document — 15 pages — is available in the English PDF.
Referenced standards
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