Standard No.:	GB/T 33544-2017
Chinese Name:	玻镁平板
English Name:	Glass fiber and magnesium cement board
Professional Classification:	Q14 Concrete product
ICS Classification:	91.100.30 Concrete and concrete products
Issued by:
Issued on:	2017-03-09
Implemented on:	2018-02-01
Status:	VALID
Language:	English
File Format:	PDF
Word Count:	8000 words
Price(USD):	240 (USD)
Delivery:	via email in 1-3 business day

1 Scope

This standard specifies the terms and definitions, classification and designation, requirements, test methods, inspection rules as well as marking, packaging, transportation and storage of glass fiber and magnesium cement board.

This standard is applicable to glass fiber and magnesium cement boards which are mainly used for non-bearing internal partition wall and suspended ceiling and used as the substrate of various decorative sheets.

2 Normative References

The following referenced documents are indispensable for the application of this document. For dated references, only the edition cited applies. For undated references, the latest edition of the referenced document (including any amendments) applies.

GB/T 100 Slotted Countersink Head Wood Screws
GB/T 1043.1 Plastics - Determination of Charpy Impact Properties - Part 1: Non - Instrumented Impact Test
GB/T 5464 Non-combustibility Test Method for Building Materials
GB 6566 Limits of Radionuclides in Building Materials
GB/T 7019 Test Methods for Fiber Cement Products
GB/T 8077-2012 Methods for Testing Uniformity of Concrete Admixture
GB 8624 Classification for Burning Behavior of Building Materials and Products
GB/T 9775 Gypsum Plasterboard
GB/T 17657 Test Methods of Evaluating the Properties of Wood-based Panels and Surface Decorated Wood-based Panels
GB 18580 Indoor Decorating and Refurbishing Materials - Limit of Formaldehyde Emission of Woodbased Panels and Finishing Products
HG/T 2680-2009 Magnesium Sulfate for Industrial Use
JC/T 449-2008 Raw Materials for Magnesia Cement
JC 561.2 Glass Fiber Reinforcing Mesh - Part 2: Glass Fiber Reinforcing Mesh for Class PB EIFS
JC 646 Glass Fiber Reinforced Magnesium Oxychloride Cement Ventiduct
JGJ 63 Standard of Water for Concrete
WB/T 1023 Magnesite Cement Material Modifiers

3 Terms and Definitions

For the purposes of this document, the following terms and definitions apply.

3.1

glass fiber and magnesium cement board

the flat board made by forced stirring and mechanical rolling from the quaternary system which is composed of light calcined magnesia (MgO), magnesium chloride (MgCl2) or magnesium sulfate (MgSO4), water (H2O) and modifier in reasonable preparation, reinforced with glass fiber mesh or other materials, and filled with light materials

3.2

leachable chloride ion