index of rock wool felt

- Mar 20, 2018-

index  of rock wool felt

 

Item

China standard

American Standard

Slag ball content(particle size greater than 0.25mm)

≤10

4%

Average fiber diameter,um

<7

<7

The thermal conductivity of W/m / K at the average temperature of 70 C

≤0.044

≤0.042

Organic matter content%

≤4.0

Hydrophobicity%

≥98%

≥98%

combustion performance

Not burning

Not burning

Chlorine ion content ppm

≤25ppm

Thermal load shrinkage temperature℃

≥600

≥650

Density allowable deviation%

±10%

±10%