LY/T 1598-2011 English PDF

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LY/T 1598-2011: Gypsum particleboard
Status: Valid

LY/T 1598: Historical versions

Standard ID	USD	BUY PDF	Lead-Days	Standard Title (Description)	Status
LY/T 1598-2011	369	Add to Cart	3 days	Gypsum particleboard	Valid
LY/T 1598-2002	439	Add to Cart	4 days	Gypsum particleboard	Obsolete

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Basic data

Standard ID: LY/T 1598-2011 (LY/T1598-2011)
Description (Translated English): Gypsum particleboard
Sector / Industry: Forestry Industry Standard (Recommended)
Classification of Chinese Standard: B70
Classification of International Standard: 79.060.20
Word Count Estimation: 14,168
Date of Issue: 2011-06-10
Date of Implementation: 2011-07-01
Older Standard (superseded by this standard): LY/T 1598-2002
Quoted Standard: GB/T 2828.1-2003; GB 8624-2006; GB/T 8626-2007; GB/T 11718-2009; GB/T 11785-2005; GB/T 17657; GB/T 18259-2009; GB/T 19367 - 2009; GB/T 20284-2006; GB/T 20285-2006
Regulation (derived from): State Forestry Administration in 2011 Notice No. 9
Issuing agency(ies): State Forestry Administration
Summary: This standard specifies the terms and definitions of gypsum particleboard, requirements and statistical calculations, measurements and test methods, inspection rules and signs, packaging, transportation and storage. This standard applies to gypsum particleboard.

LY/T 1598-2011: Gypsum particleboard

---This is a DRAFT version for illustration, not a final translation. Full copy of true-PDF in English version (including equations, symbols, images, flow-chart, tables, and figures etc.) will be manually/carefully translated upon your order.
Gypsum particleboard ICS 79.060.20 B70 People's Republic of China Forestry Industry Standard Replacing LY/T 1598-2002 Gypsum particle board Published on.2011-06-10 2011-07-01 implementation State Forestry Administration released

Foreword

This standard was drafted in accordance with the rules given in GB/T 1.1-2009. This standard replaces LY/T 1598-2002 "Gypsum Particleboard". Compared with LY/T 1598-2002, the main technical contents of this standard are as follows. --- Increase the definition of "fracture penetration and local softness"; --- Cancel the upper limit of the density of gypsum particleboard, only specify the lower limit of density 1.0g/cm3, and cancel the density as superior and qualified One of the basis for the classification of goods, etc.; --- Increase the 24h bending strength requirement of water immersion; --- Density and moisture content test piece size changed from 100mm × 100mm to 50mm × 50mm; --- Revised the test method of combustion performance, using GB 8624-2006 "Classification of Combustion Performance of Building Materials and Products", the burning level should be To achieve the B grade of building materials or paving materials; --- Appearance quality defects require a more detailed description; --- Cancel the division of the thickness deviation superior product and the qualified product, only one grade; the deviation of the single-sided sanding thickness of all thickness plates is reduced to ±0.5mm; ---Verticality measurement instead of diagonal length measurement; --- Flatness measurement instead of warpage measurement; --- Cancel the division of physical and chemical performance superior products and qualified products, retain the requirements for qualified products; --- Increase the size requirements of the format; --- Vertical plate surface holding screw force requirements as a selection item, the supply and demand sides determine their performance requirements; --- The name of the static bending strength is changed to the bending strength. Please note that some of the contents of this document may involve patents. The issuing organization of this document is not responsible for identifying these patents. This standard is proposed and managed by the National Standardization Technical Committee for Wood-based Panels (SAC/TC198). This standard was drafted. Wood Industry Research Institute of China Academy of Forestry, Nanjing Forestry University, Shandong Linyi Tianbang Building Materials Limited company. The main drafters of this standard. Long Ling, Deng Yuhe, Sun Jinyu, Chen Shiying. This standard was first published in October.2002. This is the first revision. Gypsum particle board

1 Scope

This standard specifies the terms and definitions, requirements and statistical calculations, measurement and test methods, inspection rules and signs, packages of gypsum particleboard. Loading, transportation and storage. This standard applies to gypsum particleboard.

2 Normative references

The following documents are indispensable for the application of this document. For dated references, only dated versions apply to this article. Pieces. For undated references, the latest edition (including all amendments) applies to this document. GB/T 2828.1-2003 - Sampling procedures for sampling by sampling - Part 1 . Batch-to-batch inspections by Retrieving Quality of Acceptance (AQL) plan GB 8624-2006 Classification of combustion properties of building materials and products GB/T 8626-2007 Test method for flammability of building materials GB/T 11718-2009 medium density fiberboard GB/T 11785-2005 Determination of the burning properties of floor covering materials - Radiant heat source method GB/T 17657 Artificial board and finished panel physicochemical properties test method GB/T 18259-2009 Artificial board and its surface decoration terminology GB/T 19367-2009 Determination of the size of wood-based panels GB/T 20284-2006 Monomer burning test of building materials or products GB/T 20285-2006 Material toxicity toxicity classification

3 Terms and definitions

The following terms and definitions as defined in GB/T 18259-2009 apply to this document. 3.1 Taking building gypsum powder as the main raw material, wood shavings, straw, flax, bagasse, etc. as reinforcing materials and adding other chemical additives And water, a sheet made by processes such as molding, pressurization, and drying. 3.2 Breakthrough mark partialruptureorrupturemark The plate is partially broken or broken. 3.3 Partial soft partialsoftness Partial looseness due to uneven paving or poor bonding. ......

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