项 目

Ltem

国家标准

National standard

检测标准

Testing index

90 mm

90 mm

抗冲击性能/次

Anti-impact Capacity/times

≥5

≥10

抗弯破坏荷载/自重倍数

Anti-bending damage

load/times over deadweight

≥1.5

≥4

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/㎡

≤90

≤70

含水率a/%

Moisture rate a/%

≤12/10/8

≤10/9/7

干燥收缩值/mm/m

Drying shrinkage value/mm/m

≤0.6

≤0.5

吊挂力/N

Hanging force/N

≥1000

≥1300

空气声隔音量/dB

Sound insulation/dB

≥35

≥40

耐火极限/h

Fire proof limit/h

≥1

≥3

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

规格

Specification

厚度(mm)

Thickness

长度(mm)

Lenght

宽度(mm)

Width

重量参考(Kg/㎡)

Reference weight

90系列

90

2270/2440

610

55±5