Main technical performance indexes of rock wool products

- Mar 20, 2018-

Main technical performance indexes of rock wool products

Technical performance

Technical indicators

Remarks

Thermal conductivity W/(mk)

0.026-0.035

Normal atmospheric temperature

Slag ball content% (particle diameter) 0.25

Less than 10

Conforming to GB11835-89

 

Nonflammability

A

Conforming to GB5464

Fiber diameter

5-7

Working temperature(℃)

-268-700

Acidity coefficient

>1.5

SiO2+Al2O3

CaO+MgO

Hygroscopic rate(%)

<5

Density tolerance(%)

±10

Conforming to GB11835-89