Technical parameters of rock wool board

- Mar 14, 2018-

Technical parameters of rock wool board:

inspection item

Standard requirements

Determination value

Appearance

Smooth surface, no wounds, stains, breakage

Smooth surface, no scar, stain, breakage

Size

Length mm

1200+15 -3

1203

Length mm

600

600

Thickness mm

50+5 -3

51

Density kg/m3

------

180

Slag ball content %

(particle size is greater than  0.25 mm)

≤10

3.8

combustion performance

A

A

Average diameter of fiber μm

≤7.0

4.3

Thermal conductivityW/(m ·K) (average temperature25℃)

≤0.040

0.039

Hydrophobicity %

≥98.0

99.9

Tensile strength Kpa

≥7.5

15.2

Compression strength Kpa

(10%deformation)

≥40

77.6

Acidity coefficient

≥1.6

2.0