by It is a porous concrete plate made of silica sand, cement and lime as the main raw materials, reinforced by antirust treated reinforcement and cured by high temperature, high pressure and steam.
It is a new building material with superior performance.
ALC plate is the abbreviation of this material in general use in the world.
For ordinary thermal insulation board, the specific gravity of thermal insulation board can reach 1250.5 hours It is a kind of material that can achieve building energy conservation of more than 50% with a single material.
Its salesperson misled customers with the selling point that the NALC board is different from other ALC boards.
Source: steel structure design.
Economy: using NALC as wall material can effectively improve the use area of the building and reduce the foundation cost.
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No matter how the name is changed, ALC slab, NALC slab or AAC slab are the abbreviation of autoclaved aerated concrete slab.
The specific gravity of thermal insulation board can reach 1250.3 mm and that of ordinary thermal insulation board can reach 1250.4 mm.
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Bearing capacity: the interior of the plate is equipped with reinforcement mesh, providing exterior wall plate, partition plate, roof panel, floor slab, decorative plate, etc.
It is a high-performance plate produced from fly ash or silica sand, industrial tailings or mineral sand (four materials can be used as main materials), cement, lime \ aluminum powder and other main raw materials.
Without increasing the comprehensive cost of the building, it can greatly improve the comfort of the building, reduce the use of energy consumption, and meet the national building energy saving standard.
ALC plate is the abbreviation of autoclaved lightweight concrete.
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The reinforcement of each plate is determined according to the design load, material thickness and length.
It is a field fabricated plate Using dry operation, the installation is simple and the process is simple, which greatly shortens the construction period, improves efficiency and construction quality.
Therefore, there is no difference between the three kinds of plates, but the names of plates are different.
In order to publicize its own materials, a company in Nanjing specially added the first capital letter N of the south of Nanjing to the ALC board as the title of the atlas when preparing the atlas of national standard nodes at its own expense.
Our national product standard is gb15762-2008 Any domestic manufacturer must abide by this product technical standard.
The plates can be divided into ALC partition board, ALC exterior wall board, ALC roof board and ALC floor according to the purpose.
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Sound insulation: the sound insulation index of 100mm material reaches 44db (transmission loss).
Generally, the thickness provided ranges from 75mm to 300mm at 25mm intervals.
No radiation: the hourly exposure is 12 γμ/ h.
The specific gravity of thermal insulation board can be calculated as follows: the thickness of thermal insulation board can reach 1250.3 mm and 3700.4 mm.
Wide applications: it can be used for the interior and exterior walls, floors, roof panels, firewalls, explosion unloading walls, fire protection maintenance of steel structure beams and columns, sound insulation walls, storey addition and reconstruction of old buildings, etc.
AAC slab is also a new name compiled by some domestic autoclaved aerated concrete slab manufacturers.
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Equivalent to the level of outdoor grass 7.
Convenient construction: the material is factory prefabricated products with high precision, which can be planed and sawed.
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In fact, it is also called ALC board in the atlas published by the enterprise in Jiangsu Province; This is a joke in the industry.
Creativity: provide decorative plates, and the materials can directly achieve brick pattern, grid pattern Imitation stone and other effects.
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Earthquake resistance: it can adapt to large interlayer angle displacement, and the allowable interlayer displacement angle is 1 / 150, which can reach 1 / 120 when using special contacts And under all contact conditions, the plate will not fall off when the interlayer displacement angle is 1 / 20.
The Chinese name of ALC board or AAC board (or NALC) is autoclaved lightweight concrete, which is divided into ALC board (or NALC board) and AAC block (or NALC block, sand aerated concrete block).
Whether the main material is fly ash or silica sand, industrial tailings or ore sand, its chemical composition is silicon calcium salt, but the existing forms in nature are different.
In addition, there are grade 04 damping blocks, 50mm thin plate and 37mm ultra-thin plate (which can be used as external wall insulation board).
