04. Semi-Noncombustible Polyurethane Foam
The building insulation material is made of polyisocyanurate (PIR) known for having the lowest thermal conductivity among all insulation materials. It is a top-grade insulation material that satisfies the heat transmission rate at half the thickness specified in the energy saving design standard.
|Type||Apparent density (kg/㎥) ||Thermal conductivity [Average temperature (23±2)℃] W/m·K||Flexural strength (N/㎠)||Compressive strength (N/㎠)||Absorption (g/100㎠)||Combustibility|
|Type 1||No. 1||45 or more||0.024 or less||35 or more||35 or more||3.0 or less||Combustion time of less than 120 sec and combustion length of no more than 60mm|
|No. 2||35 or more||0.024 or less||25 or more||25 or more|
|No. 3||25 or more||0.025 or less||15 or more||10 or more|
|Type 2||No. 1||45 or more||0.023 or less||35 or more||15 or more||-|
|No. 2||35 or more||0.023 or less||25 or more||10 or more|
|No. 3||25 or more||0.024 or less||15 or more||8 or more|
|As a product without a surface material, it presents the advantages of flame-retardant and self-extinguishing properties of PIR insulation materials in an economical way and reduces the concerns of spread of fire.||This is a product with a surface material, which can be chosen according to user needs. Various surface materials, including non-woven fabric, paper, vapor barrier, aluminum, etc., can be used to improve workability and broaden the scope of application.|
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