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Fiber cement board is made up from silicon and calcium material,
complementary with enhanced fiber.This new board is made through
pulping, molding, steam-curing,drying, deep-processing and so on.
The product has light quality, high strength, fire-proof, heat
insulation as well as good processing performance, and can be
widely used in the construction industry, as fire-proof partition
panel, ceiling board, sound-absorbing board, duct, ship bulkhead
board, fire-proof doors, as external wallboard internal wallboard
used . Raw material of fiber cement board has extensive
sources,especially natural material is used widely, and can use
part of industrial waste. Mature production process, advanced
automation control, ensure boards’technical performance index reach
or exceed Jc/T564-2008 standard.
Fiber cement board production lines adopt production process,mainly
flow slurry method and copy method.Not only can it do no asbestos
production but also can realize production with asbestos, realizing
diversity of production materials. At present flow slurry method is
popular, especially,forming machine is very advanced, does not
pollute the environment, realizing green and security board.
No. | Test items | Standard indicators | Test results | ||
1 | Bending degrees | horizontal | >=22Mpa | 24.9Mpa | Qualified |
vertical | >=17 Mpa | 21.4Mpa | |||
2 | Impact strength | >=2.0 KJ/m2 | 3.7KJ/m2 | Qualified | |
3 | Indensity | >=1.6g/cm3 | 1.72g/cm3 | Qualified | |
4 | Water absorption | <=24% | 16.8% | Qualified | |
5 | Waterproofness | According to the National standard GB8041 tested -24H checking
allow damp mark on the back of the board , but no water drop | Meet the National standard GB8041 | Qualified | |
6 | Freezing resistance | According to the National standard GB8041 tested- after 25 times
Cycliccrackingno break and layer appear | Meet the National standard GB804 1 | Qualified | |
7 | Sound resistance | Meet 4sdb (GBJ75-B4) | |||
8 | Radioactivity | Meet standard GB6566-2001A) | |||
9 | Noninflammability | In accordance with the GB5464-85 and GB8624-88 , A class building
materials |