Fiber cement board basics summary

Fiber cement board basics summary

Fiber cement board, also known as fiber-reinforced cement board and cement fiberboard, based fibers and cement as the main raw materials used in construction cement slab, with its superior performance has been widely used in various fields of the construction industry.
Fiber cement board
Fiber cement board specifications:
Length: 2000mm-2440mm
Width: 1000mm-1220mm
Common thickness: 4-30mm (Do not buy fake fiber cement board calcium silicate board, fiber cement board and calcium silicate board distinction) Currently in the country may extend the thickness 2.5mm-90mm, the domestic plate from size is generally 1200 × 2400 or 1220 × 2440, the former national common standards, which is the international standard. (Other smaller size may be cut)
In accordance with the density can be divided into high, medium and low three categories, low density sheet after the cutting edge is rough, after high density plate cutting edges are neat.
Different sizes of fiber cement board its insulation, sound insulation performance is different, in general the higher the density, the thicker the thickness of the sheet, the better its heat insulation properties. In addition the insulation performance is recommended.
Fiber cement board
Fiber cement board performance:
◎ Fire Insulation: Class A1 non-combustible, when the fire broke plates not burn, does not produce toxic fumes; conductivity coefficient is low, is the ideal insulation material.
◎ waterproof: in semi-open air and high humidity environment, can maintain stable performance, will not sag or deformation.
◎ heat insulation: low thermal conductivity, good insulation properties, high density, good insulation.
◎ light and high-strength: The 5000 tons of hydraulic machines pressurized flat plate, not only high strength, but not easily deformed, warped; low weight, suitable used in roofing and other aspects of the ceiling.
◎ simple construction: Dry practices, installation and construction of the keel and the plate is simple and fast. Deep-processing products also have simple construction and better performance characteristics.
◎ Economic appearance: Light, with the keel of coordination, reduce engineering and renovation costs; even the appearance of color, smooth surface, can be used directly unified architectural surface color.
◎ safe and sound: below the national "construction materials radiation health protection standards", measured indicators and surrounding buildings 20 meters away from the lawn values ​​are equal.
◎ long life: acid, corrosion resistance, nor be subject to moisture or pests and other damage, and the strength and hardness over time and enhanced ensure long life.
Fiber cement boards simple packaging shown
After installation is complete, you can perform a variety of paint finishes (exposed to the air where it is needed to use waterproof paint). It has been fixed well plate seams need to fill a block of wood materials, the entire plate surface paint coating required, so you can extend the life of the plate. Fixed installation and paint brush fiber cement board, its maintenance workload small. Slab and high density sheet has good impact resistance, but thin and low density sheet is not subject to external forces need to protect collision. With respect to the wood siding, fiber cement board waterproof, fireproof, noise effects, and will not bear termite, not perishable, corrosion resistance better.
Fiber cement board Categories
1, according to points where fibers: Asbestos fibers are currently used in most of the country from the reinforcement, the fiber cement board on called chrysotile fiber cement flat; another is non-asbestos fibers, pulp, wood chips glass fiber to replace asbestos fibers from the enhancement of non-asbestos fiber cement are collectively referred tablet.
2, according to the density of points: density 0.9-1.2g / cm3, medium density 1.2-1.5g / cm3 high density 1.5-2.0g / cm3 density is generally used for low-grade ceiling wall and other parts of the building, the density is generally used. in the mid-range of building walls ceiling, highly dense generally used for high-grade steel facades of the building, steel floor and the like; fiber cement board our country in accordance with national building industry standards to be divided into two categories. High density fiber cement board drawback is easily deformed, low density product deformation coefficient to be smaller.
3, according to the pressure point: whether the platen and the pressure plates of the points. Low density fiber cement board are no clips, high-density pressure plate. Pressure plate, also known as fiber cement pressure plate, the need for specialized press production, can not do without the press of business. According to the density level, fiber cement pressure plate is divided into: 1) ordinary plate, density 1.5-1.75g ​​/ cm3; 2) excellent board, density 1.75-1.95g / cm3; 3) Premium board, density 1.95g / cm3 or more .
4, according to the thickness of points: 1) the thin plate, 2.5-3.5mm; 2) regular board, 4-12mm; 3) slab, 13-30mm; 4) thick plate, 31-100mm. The manufacturers do not generally thin plate and thick plate, which is also an important basis within the industry measure of production capacity and technological level.

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