Item | Standard Value | Test Value | |||||||||
Density (kg/m²) | — | Thickness | Regular | Fire Resistant | Water Resistant | ||||||
≯ 9.5kg/m² | 9.5mm | 7.5 | 7.5 | 7.5 | |||||||
≯ 12.0kg/m² | 12mm | 9.5 | 9.5 | 11.5 | |||||||
Flexural Strength(N) | Parallel | ≮ 360 | 9.5mm | 560 | |||||||
≮ 500 | 12mm | 700 | |||||||||
Cross | ≮ 140 | 9.5mm | 180 | ||||||||
≮ 160 | 12mm | 240 | |||||||||
Surface Paper Sticking theCore Material | Unexposed | Unexposed | |||||||||
Stability with Fire (Min) | Fire Resistant | ≮ 20 | / | / | >20 | / | |||||
Water Absorption (%) | Water Resistant | ≮ 10 | 9.5mm | / | / | 8 | |||||
12mm | / | / | 6.2 | ||||||||
Radioactivity | Internal | IRa≤1.0 | <1.0 | ||||||||
External | Ir≤1.3 | <1.0 | |||||||||
Note | Executive Standard : GB/T 9775-2008 |