项 目
Ltem
|
国家标准
National standard
|
检测标准
Testing index
|
75mm
|
75 mm
|
抗冲击性能/次
Anti-impact Capacity/times
|
≥5
|
≥8
|
抗弯破坏荷载/自重倍数
Anti-bending damage
load/times over deadweight
|
≥1.5
|
≥3
|
抗压强度/Mpa
Compressive strength/Mpa
|
≥3.5
|
≥5
|
软化系数
Softening coefficient
|
≥0.80
|
≥1
|
面密度Kg/㎡
Surface density Kg/㎡
|
≤70
|
≤55
|
干燥收缩值/mm/m
Drying shrinkage value/mm/m
|
≤0.6
|
≤0.45
|
吊挂力/N
Hanging force/N
|
≥1000
|
≥1200
|
空气声隔音量/dB
Sound insulation/dB
|
≥30
|
≥35
|
耐火极限/h
Fire proof limit/h
|
≥1
|
≥2.5
|
放射性比活度限量(实心版)Radioactivity limit(soild boards)
|
≤1
|
≤1
|
Ira(内照射指数)
Inner radiation index
|
≤1
|
≤1
|
Ir(外照射指数)
Outer radiation index
|
≤1
|
≤1
|