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聚异氰脲酸酯泡沫-PIR

聚异氰脲酸酯 - PIR


PIR 聚异氰脲酸酯
Polyisocyanurate Foam

PIR聚异氰脲酸酯泡沫是由异氰酸盐经触媒作用后与聚醚发生反应制成之发泡材料,其物理防火性比一般聚氨酯发泡材料更为优异。
Polyisocyanurate foam is a kind of foaming material which can be made after the reaction of isocyanate, catalysis and polyether. It’s better than common polyurethane foam in physical properties and flame resistance.
 
材质特性    Characteristics of the Material
- 导热系数低                                              - Low Thermal Conductivity;
- 使用温度范围:-196℃~+120℃                  - Service temperature range : -196℃~+120℃
- 尺寸稳定性优                                           - Excellent dimensional stability
- 可根据客户要求进行管、板之自由切割          - Can be cut freely as per customers’ requirements
 
聚异氰脲酸酯技术参数    Polyisocyanurate Foam Date Sheet

 

物理特性 Property

单位 Unit

技术参数 Technical Property

密度 Density

kg/m3

≥40

导热系数(老化180天)

Thermal Conductivity (180 Days Aged

W/m·K

≤0.029+40

≤0.027+20

≤0.025+10

≤0.0240

≤0.024 -20

≤0.025 -40

≤0.022 -80

≤0.019 -120

≤0.016 -170

抗压强度

Compressive Strength

+23

kPa

≥200

-165

≥280

抗拉强度

Tensile Strength

+23

kPa

≥320

-165

≥265

火焰传播速率 Flame Spread Index

 

25

体积吸水率 Water Absorption by Vol.

%

≤5

水蒸气透湿系数 Water Vapor Permeability

ng/Pa·s·m

≤5.5

Closed Cell Ratio

%

≥95

线性热膨胀系数 Lineal Thermal Expansion Coefficient

m/m·K

≤70×10-6

PH PH Value

 

5.5-7

连续使用温度 Continuous Service Temp.

-196+120

 


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