XB550

密度

Density

G/cm³

1.8±0.2

老化系数

Aging coefficien

≥

0.9

烧失量

Loss on ignition

%≤

28

压缩率

Compression rate

%

7-17

回弹率

Springback rate

%

≥45

横向拉伸强度

Crosswise tensile strength

Mpa

22

腐蚀性

Causticity

无腐蚀

non-corrosive

蠕变松弛率

Creep relaxation rate

%

50

常温柔软性

Limpness at normal temperature

在直径为试样公称厚度12倍的圆棒上弯

曲180°，试样不得出现裂纹等破坏迹象

Curved for 180° at a pole with a diameter for 12 times thick of sample nominal, the sample cannot be damaged with flaws etc.

氮气泄露率

Leakage rate of nitrogen

ML/h·mm≤

500

最高使用温度

The highest usage temperature

℃

550

蒸汽压力

Vapor pressure

Mpa

13-14

适用介质

Suitable medium

非油、非酸

Non-oil, non-acid

注：厚度大于3mm的石棉橡胶板，不做拉伸强度测试

Remarks: asbestos rubber sheet with thickness over 3mm, no test on tensile strength.