Item

unit

GB/T10699-1998

HRD-2002

JIS9510

ASTM C533

usage temperature

°C

650

650

650

650

density

kg/m³

≤ 220

≤ 220

≤ 220

≤ 220

rupture strength

Mpa

≥ 0.30
≥ 0.24

≥ 0.30
≥ 0.24

≥ 0.30
≥ 0.24

≥ 0.31
≥ 0.25

compression strength

Mpa

≥ 0.50
≥ 0.40

≥ 0.50
≥ 0.40

≥ 0.414
≥ 0.314

Thermal conductivity

W/(m.k)
373k(100 °C ±50 °C )

≤ 0.065

≤ 0.065

≤ 0.065

≤ 0.065

Linear Shrinkage

 %

≤ 2

≤ 2

≤ 2

≤ 2