Ltem

National standard

Testing index

120mm

120 mm

Anti-impact Capacity/times

≥5

≥15

Anti-bending damage

load/times over deadweight

≥1.5

≥5

Compressive strength/Mpa

≥3.5

≥5

Softening coefficient

≥0.80

≥1

Surface density Kg/㎡

≤110

≤85

Drying shrinkage value/mm/m

≤0.6

≤0.5

Hanging force/N

≥1000

≥1500

Sound insulation/dB

≥40

≥45

Fire proof limit/h

≥1

≥4

Radioactivity limit(soild boards)

≤1

≤1

Inner radiation index

≤1

≤1

I

Outer radiation index

≤1

≤1

Heat transfer coefficient b/w/m.k

≤1.0

≤1.0

Specification

Thickness

Lenght

Width

Reference weight

120

120

2270/2440

610

67±5