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This standard specifies the terms and definitions, classification, specifications and marking, general requirements, requirements, test methods, inspection rules, marking and certification, transportation, packaging and storage of non-load-bearing fiber-reinforced cement boards for external walls (hereinafter referred to as fiber-reinforced cement boards).
This standard is applicable to non-load-bearing fiber-reinforced cement cladding panels, panels and linings for building exterior walls.
2 Normative reference documents
The following documents are essential for the application of this document. For dated references, the date-only version applies to this document. For undated references, the latest version (including all amendment orders) applies to this document.
GB/T 1720 paint film adhesion test method
GB/T 1732 paint film impact resistance test method
GB/T 1733 – Determination of water resistance of paint film
GB/T 1771 paints and varnishes — Determination of resistance to neutral salt spray (GB/T 1771-2007, ISO 7253:1996, IDT)
GB/T 5464 Test method for incombustibility of building materials
GB 6566 radionuclide limit for building materials
GB/T 6739 Color paint and varnish pencil method Determination of paint film hardness (GB/T 6739-2006,ISO 15184:1998,IDT)
GB/T 7019 fiber cement products test method
GB/T 8170 numerical revision rules and limit value representation and judgment
GB 8624-2012 Classification of combustion performance of building materials and products
GB/T 9266 architectural coatings – Determination of scrubbability
GB 9274 Paints and varnishes – Determination of resistance to liquid media (GB 9274-1988,eqv ISO 2812:1974)
GB/T 9286 paint and varnish film marking test (GB/T 9286-1998,eqv ISO 2409:1992)
GB/T 9754 color paint and varnish
Determination of 20°, 60° and 85° specular gloss of paint films without metallic pigments
(gb / t 9754-2007, iso 2813:1994, idt)
GB/T 9780 architectural coatings test method for stain resistance
GB/T10294 thermal insulation materials – Determination of steady state thermal resistance and related properties – Protective hot plate method
GB/T 15608-2006 Chinese color system
GB/T 17748 aluminum-plastic composite panel for building curtain wall
JC/T 564.2 Fibre reinforced calcium silicate panels – Part 2: chrysotile calcium silicate panels
HG/T 3792 crosslinked fluorine resin coating
HG/T 4104 Water-based fluorine coatings for construction
3
Terms and definitions
The following terms and definitions apply to this document.
JG / T 396-2012
3.1
non-load bearing fiber-reinforced-cement sheet for exterior wall. Non-load bearing fiber-reinforced-cement sheet for exterior wall
Non-load-bearing panels for external walls made of cement or cement mixed with siliceous or calcite materials, with non-asbestos inorganic mineral fibers, organic synthetic fibers or cellulose fibers (excluding wood chips and steel fibers) as reinforcing materials alone or in combination.
3.2
fiber-reinforced-cement sheet without coating for exterior wall Fiber -reinforced-cement sheet without coating for exterior wall before use.
3.3
fiber-reinforced-cement sheet with coating for exterior wall. Fiber -reinforced-cement sheet with coating for exterior wall
Before use, the fiber-reinforced cement board is waterproof on six sides and coated with weatherproof paint.
4 Classification, specification and marking
4.1 Classification
4.1.1 According to surface processing treatment is divided into two categories:
a) Non-painted fiber-reinforced cement board for exterior wall, code W.
b) Coated fiber-reinforced cement board for exterior wall, code T.
4.1.2 According to the flexural strength of saturated water, it is divided into four grades: I, II, III and IV.
5 General Requirements
5.1 When fiber-reinforced cement board is delivered, it is appropriate to carry out six-sided waterproof treatment.
5.2 The plates produced by the factory can be painted or unpainted plates for external walls. The quality requirements and test standards of coatings shall be implemented in accordance with Appendix A.
5.3 Fiber-reinforced cement board used for physical and mechanical properties inspection shall not be subjected to waterproof treatment or coating treatment.
5.4 Requirements for non-load-bearing low-density (apparent density no less than 1.0 g/cm3 and no more than 1.2 g/cm3) fiber-reinforced cement boards for external walls are described in Appendix B.
6 Requirements
6.1 Appearance Quality
The positive surface should be flat, the edge is neat, there should be no cracks, delamination, peeling, drum and other defects.
6. 2 Allowable deviation of dimensions
6.2.1 Allowable deviation of nominal length and nominal width
Post time: Aug-08-2024
