How many materials are there in insulation foam

Thermal insulation foam is a common heat insulation, thermal insulation materials, widely used in construction, industrial equipment, pipe insulation and other fields. According to different needs of use and environmental conditions, thermal insulation cotton can be made of a variety of materials.

The following are common thermal insulation foam materials and their characteristics:

  1. glass wool
    1. Features:
      1. Main components: glass as the main raw material, after high-temperature melting through the centrifugal technology made of fiber.
      2. Low thermal conductivity: It has good thermal insulation performance, and the thermal conductivity is usually between 0.033~0.044 W/(m-K). iii.
      3. High temperature resistance: it can withstand higher temperatures (generally between 250℃~450℃).
      4. Good sound-absorbing performance: in addition to the function of heat preservation, it also has excellent sound-absorbing and noise-reducing effect.
      5. Good fireproof performance: It belongs to Class A non-combustible material, suitable for places with high fireproof requirements.
    2. Application areas:
      1. Building wall and roof insulation;
      2. Insulation of industrial pipelines, boilers and other equipment. iii;
      3. Insulation of air ducts of air-conditioning system.
  2. Rock wool
    1. Features:
      1. Main components: made of natural rock (such as basalt, pyroxene) as the main raw material, adding appropriate amount of binder.
      2. High temperature resistance: it can withstand high temperature above 600℃ at the highest and is suitable for high temperature environment.
      3. Excellent fireproof performance: It is also a class A non-combustible material with high fire safety.
      4. Good environmental performance: non-toxic and harmless, friendly to human body and environment.
      5. High mechanical strength: compared with glass wool, rock wool has higher compressive and tensile strength.
    2. Application Areas:
      1. High temperature industrial equipment and pipeline insulation;
      2. Exterior wall insulation of large public buildings;
      3. Fire insulation in petrochemical industry.
  3. Aluminum silicate cotton
    1. Features:
      1. Main components: aluminum silicate fiber as the main raw material, add a small amount of binding agent made.
      2. High temperature limit: it can withstand high temperature up to 1000℃ or above, which is the ideal choice for high temperature environment. iii.
      3. Lightweight and soft: low density, easy to construct. iv.
      4. Strong chemical stability: corrosion and oxidation resistant, suitable for harsh environments.
      5. Low thermal conductivity: superior thermal insulation performance.
    2. Application Areas:
      1. Metallurgy, electric power, chemical industry and other high temperature equipment insulation;
      2. Insulation of kiln and heating furnace lining;
      3. Special insulation needs in aerospace field.
  4. Polyurethane foam (PU)
    1. Features:
      1. Main component: polymer generated by the reaction of isocyanate and polyol.
      2. Extremely low thermal conductivity: the thermal conductivity is only 0.02~0.03 W/(m-K), which is one of the lowest thermal conductivity insulation materials at present. iii.
      3. Waterproof performance: closed cell structure makes it has excellent waterproof and moistureproof performance. iv.
      4. Lightweight and easy to process: light weight, flexible construction, can be sprayed or prefabricated molding.
      5. Long service life: good aging resistance.
    2. Application areas:
      1. Building exterior wall and roof insulation. ii;
      2. Thermal insulation of cold storage and refrigerated trucks. iii;
      3. Pipe insulation.
  5. Rubber-plastic insulation wool
    1. Features:
      1. Main components: rubber and plastic as the main raw materials, made through the foaming process.
      2. Low thermal conductivity: thermal conductivity of about 0.034 W/(m-K), good thermal insulation performance. iii.
      3. Good flexibility: the material is soft, easy to bend and cut, suitable for complex shapes of thermal insulation construction. iv.
      4. Waterproof and moisture-proof: the closed-cell structure makes it have good waterproof performance.
      5. Flame retardant performance: some products have B1 grade flame retardant performance.
    2. Application Fields:
      1. Central air-conditioning pipe insulation;
      2. Insulation of indoor and outdoor water pipes, hot and cold water pipes. iii;
      3. Insulation of low-temperature equipments in medicine and food industry.
  6. 6 ceramic fiber wool
    1. Features:
      1. Main components: high purity alumina and silica as raw materials, made of fiber after high temperature melting.
      2. Ultra-high temperature resistance: can withstand high temperature of 1200℃~1600℃, it is the preferred material for extreme high temperature environment. iii.
      3. Light weight and high efficiency: low density but excellent thermal insulation performance. iv.
      4. Strong chemical stability: resistant to acid and alkali corrosion, suitable for harsh environments. v. Environmentally friendly and non-toxic: non-containing of chemicals.
      5. Environmentally friendly and non-toxic: no harmful substances.
    2. Application Areas:
      1. Metallurgy, iron and steel industry, high temperature furnace insulation. ii;
      2. High-temperature insulation in nuclear power and aerospace. iii;
      3. Special equipment insulation in chemical industry, such as cracking furnace, conversion furnace, etc. iv;
      4. High-temperature experimental equipment and heat treatment process insulation protection.
  7. Phenolic Foam (PF)
    1. Features:
      1. Main components: made of phenolic resin as base material by foaming process.
      2. Low thermal conductivity: The thermal conductivity is about 0.023~0.035 W/(m-K), showing excellent thermal insulation performance.
      3. Outstanding fire performance: flame retardant materials, self-extinguishing, less smoke and low toxicity when burning. iv.
      4. Strong corrosion resistance: it has good resistance to acid, alkali and other chemical substances.
      5. Environmentally friendly: no harmful gas emission during the production process, easy to recycle after disposal.
    2. Application Areas:
      1. High-rise building exterior wall insulation system;
      2. Underground engineering, tunnels and other places that need fire and moisture prevention;
      3. Thermal insulation of petrochemical pipelines and storage tanks.
  8. Aerogel insulation wool
    1. Features:
      1. Main components: nanoscale silica as the main raw material, through a special process to form a porous network structure. ii.
      2. Extremely low thermal conductivity: The thermal conductivity can be as low as 0.013~0.020 W/(m-K), which is one of the most efficient thermal insulation materials in the world. iii.
      3. Light weight and high strength: extremely low density, but with high mechanical strength, suitable for a variety of complex environments. iii.
      4. Excellent high temperature resistance: some products can withstand temperatures up to 650 ℃ and maintain stable thermal insulation. v. Superior hydrophobicity: it is one of the most efficient thermal insulation materials in the world.
      5. Superior hydrophobicity: After the surface is modified, it has excellent waterproof and moisture-proof performance.
      6. Green and environmentally friendly: wide source of raw materials, low energy consumption in the production process, in line with the concept of sustainable development.
    2. Application Areas:
      1. Scenarios in the aerospace field with demanding weight and performance requirements. ii;
      2. Thermal insulation for battery packs of new energy vehicles;
      3. Efficient thermal insulation of deep-cooling equipment and ultra-low-temperature pipeline. iv;
      4. Thermal insulation protection for precision instruments and electronic equipment.
  9. Slag Wool
    1. Features:
      1. Main components: industrial waste slag (such as blast furnace slag) as the main raw material, by melting, fiber processing and become.
      2. Low cost: make full use of industrial waste, strong economy. iii.
      3. Good thermal insulation performance: the thermal conductivity is usually between 0.040~0.045 W/(m-K), which meets the general thermal insulation needs. iv.
      4. Reliable fire resistance: Class A non-combustible material, suitable for places with high fire resistance requirements.
      5. Significant environmental significance: Reduce the accumulation of industrial waste residue, and help the recycling of resources.
    2. Application Areas:
      1. Roof and wall insulation of industrial plants, warehouses and other buildings. ii;
      2. Thermal insulation of heat supply pipe network and steam pipe. iii;
      3. Insulation covering materials for agricultural greenhouses.