GB/T 38752-2020Difficult-flammable blockboard (English PDF)
难燃细木工板
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Issued by
SAMR; SAC
Level / Type
National · Recommended
Issue date
April 28, 2020
Implementation date
November 1, 2020
Scope
GB/T 38752-2020 is the English-translated version of 难燃细木工板.
GB/T 38752-2020 is the Chinese standard "Difficult-flammable blockboard". Its scope clause reads: This standard specifies the terms and definitions, classification, nomenclature and grouping guides, requirements, test methods, inspection rules and Identification, labeling, packaging, transportation and storage.
This standard applies to blockboards with flame retardant properties other than flooring materials. Its clauses include terms, definitions or abbreviations.
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Document preview — GB/T 38752-2020
National Standard of the People's Republic of China
- ICS
- 79.060.10
- Classification
- B 70
Issued by: State Administration for Market Regulation; Standardization Administration of the PRC
Contents
- 1 Scope
- 2 Normative references
- 3 Terms, definitions or abbreviations
- 3.2 Burningbehavior
- 3.3 Combustibility
- 3.4 Flamingdroplets/particles
1 Scope
This standard specifies the terms and definitions, classification, nomenclature and grouping guides, requirements, test methods, inspection rules and
Identification, labeling, packaging, transportation and storage.
This standard applies to blockboards with flame retardant properties other than flooring materials.
2 Normative references
The following documents are essential for the application of this document. For dated references, only the dated version applies to this article
Pieces. For the cited documents without date, the latest version (including all amendments) applies to this document.
GB/T 1933-2009 Wood density determination method
GB/T 5849-2016 Blockboard
GB 8624-2012 Classification of combustion performance of building materials and products
GB/T 8626-2007 Test method for flammability of building materials
GB/T 17658-2018 Flame retardant wood burning performance test Fire propagation test method
GB 18580-2017 indoor decoration materials wood-based panel and its products formaldehyde release limit
GB/T 20284-2006 monomer burning test of building materials or products
GB/T 20285-2006 Material smoke toxicity hazard classification
3 Terms, definitions or abbreviations
The terms and definitions defined in GB/T 5849-2016 and the following apply to this document.
3.1
All or part of wood strips, adhesives, veneer or plywood are flame-retardant, and the core is composed of wood strips along the grain direction, both sides
A kind of artificial board glued with veneer or plywood assembly blank.
3.2 Burningbehavior
Under specified conditions, the fire response characteristics and fire resistance of materials or substances.
[GB/T 5907.1-2014, definition 2.25]
3.3 Combustibility
Under the specified test conditions, the material can be ignited and can burn continuously.
[GB/T 5907.1-2014, definition 2.54]
3.4 Flamingdroplets/particles
During the combustion test, substances or particles separated from the sample.
......
This preview omits tables, figures, formulas and parts of the technical clauses. The complete document — 15 pages — is available in the English PDF.
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