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Product Introduction
Fiber cement/calcium silicate board, is a kind of board made from inorganic mineral fiber or cellulose fiber, silicon and calcium materials. Whose technic process is :slurry preparing, sheeting, curing.
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Product Parameters
| Technical Parameters | |||||
| Standard Size | |||||
| L mm | W mm | Thickness mm | |||
| 2440 3050 | 1220 | 4-30 | |||
| Can manufacture Non-Standard size as per customer's requirement. | |||||
| Physical properties | |||||
| Item | low density | Medium density | High density | ||
| Density g/cm3 | 0.75＜D≤0.9 | 1.2＜D≤1.4 | 1.4＜D≤1.5 | 1.5＜D≤1.6 | |
| Heat conductivity W/(m.K) | ≤0.20 | ≤0.25 | ≤0.35 | ||
| Water absorption rate % | ≤28 | ||||
| Wet up rate % | ≤0.25 | ||||
| Incombustibility |
Grade A1 as per GB 8624 |
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| Impervious | No Water Forms after being tested for 24 hours | ||||
| Freezing test | No cracking or delaminating after 25 times of freeze-thaw cycles | ||||
| Flexural strength MPa | Air Dry | ≥8 | ≥11 | ≥18 | ≥21 |
| Full of water | ≥6 | ≥8 | ≥14 | ≥17 | |
| Content of asbestos, formaldehyde, benzene and other harmful substances. | 100% NO | ||||
| Radioactivity | Decorative materials Class A | ||||
| Standard | JC/T 412.1-2018 Fiber cement flat sheets-Part 1: Non-asbetos fiber cement flat sheets | ||||
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