Ningbo FET Building Materials and Technology Co.,Ltd
Ningbo FET Building Materials and Technology Co.,Ltd
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High-stength and Impact-resistant Compressed Waterproof Cellulose Fiber Cement Board External Wall 100% Free Asbestos
Product Introduction:
Fibre cement boards can be used for various interior and exterior applications where a smooth, flat surface is required for finishing off, cladding, partitioning, and edging various projects. In appearance fibre cement cladding most often consists of overlapping horizontal boards, imitating wooden cladding, clapboard and imitation shingles.
The raw materials of fiber cement board are cellulose fiber, silicate cement, quartz sand, water and some additives. It's a kind of high-tech product which formed through accurate dosing by computer program, hatcheck craft and compressed by 5000tons hydraulic machine and autoclave under high temperature and pressure.
Specification:
(1). Thickness: 4-25mm
(2). Standard size: 1220*2440mm or 1200*2400mm
(3). Note: other specification is available
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Product
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Fireproof Fiber Cement Board
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Dry Density(g/cm3)
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1.2-1.3
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Water absorption (%)
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33-40
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Wet expansion (%)
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0.25
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Water Content(%)
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13-20
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Bending Strength(Mpa)
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9-16
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| Shrinkage rate(%) | 0.15-0.2 |
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Frost resistant
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No delamination and crack after 25cycles under freezing and thawing
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| Water penetration |
No water drop on the board surface after 24hours
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(1). Interior&exterior wall&Furred ceiling
(2). Insulation materials&Flooring&Road barrier
(3). Sound-adsorbing wall & Suspended ceiling
Main Features:
Performance like high strength,light weight,fire and water proofing,green and envirmental friendly,high effcient and energy-saving.Therefore,this kind of new materials is vigorously developed and recommedded by the country.
Partition Installing Method:
1. Galvanized Metal Frame
a.The top and bottom keels are fixed respectively top floor and on floor with expansion bolts.
b.The vertical keel should be aligned well according to the requirement (generally being 612 mm) with
laterally supporting keel installed.
2. Board Material Package Fixed
a. Cutting the board material to the dimensions needed (about 10mm lower than wall height)
b. Board material is fixed on keel in anchoring seam way with tapping screw: the interval of tapping screw is generally
about 200~250mm with screws sinking 0.5mm under the board face.
c. The expansion seam of about 4mm between boards should be kept.
d. The shrouding should be fixed from the middle to the four sides and cannot be operated at multipoint simultaneously
to avoid generating inner stress to make board material bucking.
e. Before board being packaged and fixed, depending the needs, glass cotton or rock cotton can be filled.