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What are the common thermal insulation materials?
- In architecture, it is customary to control the flow of heat through the houseMaterials called thermal insulation prevent the heat from entering the room from being called heat insulation material. Insulation, thermal insulation materials insulation materials called duncan. The commonly used insulation materials can be divided into two categories: organic and inorganic. In its shapeCan be divided into fibrous, porous, microporous, bubble, granular, layered and many other, here are some of the more common materials are briefly introduced.s
What's the difference between glass fiber and mineral wool?
- A fluffy short staple fiber made from mineral material. Including rock wool and slag cotton.s
How about the appearance of glass wool, mineral wool and asbestos?
- A fluffy short staple fiber made from mineral material. Including rock wool and slag cotton. Melting natural rock or metallurgical slag in a cupola or a pool furnace, etc. by blowing or centrifuging.s
Rock wool, EIA inorganic insulation mortar, polystyrene particles, polystyrene foam board advantages and disadvantages comparison?
- Polyphenyl granule thermal insulation slurry: polyphenyl granule heat preservation slurry is composed of polyphenyl granule and heat preservation rubber powder material. This kind of thermal insulation material water absorption rate is higher than other materials, use must do crack waterproof layer, fire rating is B2 grade, crack resistant waterproof protective layer material by crack cement mortar composite glass fiber network.s
What are the properties of fire-resistant coatings for steel structures?
- Thick steel structure fire retardant coating refers to the steel structure fireproof coating with coating thickness greater than 7 mm, less than or equal to 50 mm, granular surface, little density, low thermal conductivity, and refractory limit of 2 h or more. Because of the thick fire retardant coating composition for inorganic materials, so the fire performance is stable, long-term effect is good, but the coating components of larger particles, the coating appearance is not smooth, affect the overall appearance of the building, so most structure for concealed works. In the fire, the material has a granular surface, a smaller density, a low thermal conductivity, or a heat absorbing property in the coating, delaying the temperature rise of the steel and protecting the steel. This kind of fire retardant coating is suitable for inorganic binder (such as water glass, silica sol, aluminum phosphate salt, refractory cement, etc.) together with inorganic light insulation aggregate materials (such as perlite, vermiculite, bouldering, sea and fly ash cenosphere), fire retardant additives, chemicals and materials (enhanced such as rock wool, aluminum silicate fiber, ceramic fiber, glass fiber and filler) mixed together, has the advantages of low cost. Spraying is often used in construction. It is suitable for indoor and outdoor concealed steel structure, high-rise steel structure and multi story steel structure with requirements of fire resistance above 2 h. Such as: high-rise building columns, general industrial and civil buildings in support of multi-storey columns of fire resistance should reach 3 h, the need to use this thick fire-retardant coating protection.s
What are the kinds of fire door core board?
- Inorganic fireproof insulating material, fire door core, such as rock wool, mineral wool, glass wool, aluminum silicate cotton, asbestos, expanded perlite, expanded vermiculite products, foam glass, microporous calcium silicate products. Inorganic materials are far better than organic materials and fire insulation performance and smokeless toxic performance, but there are some limitations, some non compressive degrees, must be attached to support carrier, carrier and brought fire and burning smoke toxicity problems, such as rock wool, mineral wool, glass wool, cotton, aluminium silicate asbestos is such; some high prices, the production of high energy consumption, such as foam glass, microporous calcium silicate in the case of such refractory; some itself is not high, moisture absorbent is large, such as cement or water glass based products, perlite cement or water glass based products, products such as vermiculite foam concrete is such, therefore restricted to varying degrees as the filling core material of the fire door.s
What are the exterior wall thermal insulation materials?
- Organic thermal insulation material:Such as rice straw, rice husk, sugarcane fiber, softwood, kapok, sawdust, wood shavings, wood fiber and their products.Advantages: this kind of material has a small volume, a wide range of sources, most of the low price, but the moisture absorption is large, easy to decay after damp, and easy to decompose or burn at high temperature.s
What is the heating tube cotton insulation material itch on the body?
- A type of mineral cotton. Short fiber made from blast furnace slags
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