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一、我们按材料来分外墙保温材料可以分为：
1、有机保温材料：此类材料容重小，来源广，多数价格低廉，但吸湿性大，受潮后易腐烂，高温下易分解或燃烧。
2、无机保温材料：矿物类有矿棉、膨胀珍珠岩、膨胀蛭石、硅藻土石膏、炉渣、玻璃纤维、岩棉、加气混凝土、泡沫混凝土、浮石混凝土等及其制品，化学合成聚脂及合成橡胶类有聚苯乙烯、聚氯乙烯、聚氨脂、聚乙烯、脲醛塑料和泡沫硬性酸酯等及其制品。
优点：此种类的材料不腐烂，耐高温性能好，部分吸湿性大，易燃烧，价格较贵。
3、金属类保温材料：主要是铝及其制品，如铝板、铝箔、铝箔复合轻板等。它是利用材料表面的辐射特性来获得绝热保温效能。优缺点：具有此种类表面特性的材料，几乎不吸收入射到它上面的热量，而且本身向外辐射热量的能力也很小，这类材料货源较少，价格较贵。
二、按材料形状来分外墙保温材料可以分为：
1、松散隔热保温材料：如炉渣、水渣、膨胀蛭石、矿物棉、岩棉、膨胀珍珠岩、木屑和稻壳等，它不宜用于受振动和围护结构上。
2、整体保温隔热材料：一般是用松散隔热保温材料作骨料，浇注或喷涂面成，如蛭石混凝土、膨胀珍珠岩混凝土、粉煤灰陶粒混凝土、粘土陶粒混凝土、浮石混凝土、炉渣混凝土等，此类材料仍具有原松散材料的一些性能，整体性好，施工方便。
3、板状隔热保温材料：一般是松松散隔热保温材料的制品或化学合成聚酯与合成橡胶类材料，如矿物岩棉板、蛭石板、泡沫塑料板、软木板以及有机纤维板（木丝板、刨花板、稻草板和甘蔗板等），另外还有泡沫混凝土板，它具有原松散材料的一些性能，加工简单，施工方便。
A, we according to the material to especially wall thermal insulation materials can be divided into:
1, organic thermal insulation material: the material density is small, wide sources, most of the price is low, but the hygroscopicity, perishable after be affected with damp be affected with damp, high temperature decomposition or combustion.
2, inorganic thermal insulation material: mineral class with mineral wool, expanded perlite, expanded vermiculite, diatomite gesso, slag, glass fiber, rock wool, aerated concrete, foam concrete, and its products such as pumice concrete, chemical synthetic polyester and synthetic rubber class has a polystyrene, polyvinyl chloride (PVC), polyurethane, polyethylene, urea-formaldehyde hard acid ester and its products such as plastic and foam.
Advantage: this kind of material does not decay, high temperature resistant performance is good, part of moisture absorption, easy to burn, the more expensive.
3, m e t al type thermal insulation material: mainly aluminum and its products, such as aluminum sheet, aluminum foil, aluminum foil composite light plate, etc. It is the use of radiation characteristics on the surface of the material for insulation performance. Advantages: with this type surface properties of materials, almost do not absorb heat incident to it, and itself to the outside radiation heat capacity is very small, this kind of material supply of goods is less, the price is more expensive.
Second, according to the material shape especially wall thermal insulation material can be divided into:
1, loose heat insulation heat preservation material, such as slag, water slag, expanded vermiculite, mineral wool, rock wool, expanded perlite, rice husk and wood chips, etc., it should not be used in both vibration and retaining structure.
2, the overall heat preservation and heat insulation materials: loose heat insulation heat preservation material is used as aggregate, casting or coating surface, such as vermiculite, expanded perlite concrete, concrete lytag concrete and clay ceramsite concrete and pumice concrete, slag concrete, this kind of material still has the original loose some of the performance, good entirety, construction is convenient.
3, plate heat insulation heat preservation material, usually loose loose heat insulation heat preservation material products or chemical synthetic polyester and synthetic rubber materials, such as mineral rock wool board, vermiculite stone, foam plastic board, cork board and organic fibre board, fiberboard, particleboard, straw board and cane board, etc.), in addition to foam concrete board, some of it has the original loose material performance, processing is simple, construction is convenient.
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