Item

Unit

Index

Standard

Density

kg/m³

10-100

GB/T 5480.3-1985

Average fiber dia.

µm

5.5

GB/T  5480.4-1985

Water content

%

≤1

GB/T 3007-1982

Grade of combustibility

Non-combustible Grade A

GB 8624-1997

Reshrinking temp

≥250

GB/T 11835-1998

Thermal conductibility

w/m.k

0.038-0.06

GB/T 10294-1988

Hydrophobicity

%

≥98.2

GB/T 10299-1988

Moisture rate

%

≤5

GB/T 16401-1986

Sound absorption coefficient

1.03 product reverberation method 24kg/m³2000HZ

GBJ 47-83

Slag inclusion content

%

≤0.3