Golden Expanded Vermiculite for Refractory Field
- Ref Price:
- Loading Port:
- Qingdao
- Payment Terms:
- TT OR LC
- Min Order Qty:
- 600 m.t.
- Supply Capability:
- 9000 m.t./month
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- Quality Product
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- Timely Delivery
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Name | Vermiculite |
Color | Gold |
Size | 0-30um0.3-0.6mm0.65-1mm0.3-1mm0.5-1.5mm0.5-1.2mm 1.2-3.5mm1.5-2.5mm1-2mm2-4mm3-6mm3.5-7mm,4-8mm,etc |
Features | poisonless, odorless , corrosion-resistant, Non-combustible , natural refractory properties , Good thermal insulation , low density ,etc |
They have such advantages as lighter, easy to reduce high-temperature recession heat and cold and corrosion resistant, better ventilation and water preservation , poisonous less and odorless, low hardness, burning-avoidance.
It has already been used in many fields like construction materials ,heat-resistant materials ,sheet materials, painting, rubber, agriculture, forestry, nursery gardening ,forage, cultivation ,pharmacy, friction and sealing, metallurgy, etc.
Basic Information:
1.Fireproof,non-combustible,classA1 non-combustible sheet.
2.Waterproof, moisture-proof, anti-corrosion, acid and alkali resistance.
3.Heat insulation,sound insulation.
4.Low stretching rate,light weight and high strength,overall low density.
5.Smooth surface,can be painted,,paste tile,paste wallpaper and other
decorative materials.
6.Good fire resistance performance,12mm thickness plate can be made
partition ,it can reach 4 hours fire resistance.
7.Construction of low wear and tear, can be cut,saw,nail,bent.
8.Free from smog, poison,smell , erosion,crack , distortion
9.Good safety performance: This product is 100% free of asbestos and
radiation, it will not create the organic substance harmful to human bodies
- Q:whether the fire resistant level of aerated concrete building blocks can reach the grade one?
- Aerated concrete building blocks is made by calcareous materials (such as cement, lime) and siliceous material (such as sand, fly ash, slag), adding aluminum powder ingredients as filling agent, by mixing with water, casting molding, gas - expansion, raising the pre-cut, and then the high-pressure steam curing of silicate building blocks. when aerated concrete is at the temperatures below 600 ℃, the compressive strength will be increased slightly, when the temperature is at about 600 ℃, the compressive strength is close to the compressive strength at normal temperature, so the aerated concrete, as building materials, the fire performance can meet the national fireproffing safety standards level.
- Q:Development trend of refractories
- The foundation of China's refractories industry is still relatively weak, the utilization level of refractory material resources is low, the quality of refractory materials is not high, excess production capacity of ordinary products, the key products of some high-quality high technology content can be produced, but the quality is not stable, and the service life of refractory material consumption compared with foreign advanced level, there is a considerable gap. Therefore, the new trend of tracking foreign refractories science and technology development, carry out and supporting the development and application of advanced and basic theory research, to promote technological innovation of refractory materials, optimizing product structure, industrial structure adjustment, implementation of the strategy of sustainable development, it is very necessary.
- Q:What's the fire endurance of A grade fireproof glass curtain wall?
- An hour and a half, an hour, and half an hour. As a key step in the home fire prevention, fire door is particularly important. According to the fire endurance and heat insulation performance, it can be classified as follows: A class fire door with fire endurance of no less than 1.5h; B class fire door with fire endurance of no less than 1h; C class fire door with fire endurance of no less than 0.5h. We can choose according to different needs, while A class fire door and B class fire door are now commonly used. Fire door has great varieties, and the material it uses is also of wide range. It includes stainless steel fire doors, glass fire doors, steel fire doors, etc. The most important feature of fire door is its fire resistance period. The main difference between A class fire door and B class fire door lies in their fire endurance, of which the former is no less than 1.5h, while the latter is no less than 1h. Difference between A class fire door and B class fire door also lies in their fireproofing material. That is the thickness of the built-in fire prevention board, of which A class fire door is 52mm, while B class fire door is 46mm. Therefore A class fire door obtains longer fire resistance period than that of B class fire door and gains better fireproof performance. A class fire door and B class fire door also differ in the places they are used. A class fire door is generally used in important fire fighting access of machine rooms, warehouses and oil depots, etc. and flammable and explosive public places, while B class fire door is generally used in the ordinary fire fighting access of some ordinary buildings. But B class fire door is more widely used than A class fire door.
- Q:What is the difference between the fire?rating and the fire resistant level of the fire-fighting equipment?
- Fire rating and fire-fighting rating are the misnomer to the building fire resistant level. The building fire risk is measured by fire resistant level. The article 3.2.1 and 5.1.7 of "Architectural design code for fire protection" have made provision respectively on the fire resistant level of plant (the storeroom) and civil construction. Article 3.0.2 of "Code for fire protection design of tall buildings" has made provisions on the fire resistant level of tall buildings. As for the warehouse building "category malonate", it refers to one of the fire risk of goods storage, which is divided into A, B, C, D, E, and each category is refined depending on the nature of different substances. "Malonate class" specified in article 3.1.3 of "building design for fire protection" refers to the flammable solid.
- Q:Is there anyone who can explain how to grade the level of fire insulation board?
- The classification of fire proof level for thermal insulating material 1, Burning performance of building material can be classified into the following several grade according to national standard GB8624-97: Non combustible building materials: Non-conbustible material. Class B1: Refractory building materials: Flame retardant materials have good flame retardant effect.
- Q:Selection of refractory materials?
- Acid refractory with silicon oxide as the main component, are commonly used in brick and clay brick. Silica is silica containing more than 93% silica products, raw materials used in silica, silica and other waste, the acid resistance of slag erosion ability, high load softening temperature, volume shrinkage after repeated burning, or even a slight expansion; but it is vulnerable to the erosion of basic slag, low thermal shock resistance. The brick is mainly used for thermal equipment of glass furnace, coke oven, acid furnace etc.. Clay brick with refractory clay as the main raw material, containing 30% to 46% of alumina, weak acid refractory material, heat shock resistance, resistance to acid slag, widely used.
- Q:What are the types of advanced refractory?
- Hello there: Divided into two categories of general and special refractories ordinary refractories by chemical properties into acidic, neutral and alkaline. Special refractory composition is divided by high temperature oxide, refractory compounds and high-temperature composite materials Furthermore, according to refractoriness can be divided into ordinary refractory products (1580 ~ 1770 ℃), advanced refractory products (1770 ~ 2000 ℃) and grade refractory products (2000 ℃ above). the article can be divided into blocks (standard bricks, shaped bricks, etc. ), special shape (crucible, sagger, pipe, etc.), fibrous (aluminosilicate, zirconia and boron carbide quality, etc.) and a random shape (refractory clay, pouring materials and ramming mixes, etc.) according to the sintering process it can be divided into sintered products, cast products, melt blown products.
- Q:What are the common refractory insulation cotton material?
- High aluminum, clay brick, aluminum silicate fiber module and so on, inorganic types are glass wool, rock wool, foam glass etc.. Organic: the best one is phenolic foam, compround phenolic foam cement layer is a-level. Aerated concrete and other refractory thermal insulation material mainly refers to the inorganic thermal insulation materials and compround thermal insulation material, expanded perlite, foam clay It is applicable for buildings that have high requirement for fire proof level, foamed concrete, volcanic ash glass.
- Q:Is there requirement for radiation indicator in refractory?
- All refractories have no radiated harm to environment, so there is no requirement. From the elemental analysis, magnesite. I do not know it is helpful to you. But for refractory rwa material, any chemical element is radiated, including silicon?dioxide; If they are radioactive. From the use analysis, such as bauxite, do not have use value.
- Q:Can anyone tell me what material the first rate fire resistant door is?
- Class A fire door materials are mainly steel, wood, steel and wood,and other materials. If there is filling material in a Class A fire door, it is generally the perlite. According to the actual situation in China, the fire doors and windows are divided into class A, class B, class C, whose minimum fire endurances are stipulated, namely class A 1.50h, class B 1.00h, Class C 0.50h. There are fireproof wooden doors and fireproof steel doors. whose main purpose is to achieve fire endurance time. But door closers are required to be installed.
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