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ltem | Unit | Technical Specifications | |||
Pre-set (Uncured) | |||||
Weight per Unit Area | kg/m2 | 18kg/m² | 15kg/m² | 12kg/m | 8.5kg/m |
Density | kg/m3 | 1430-1540 | |||
Cure Time from Hydration | hours | 24 | |||
Peel strength | N/m | ≥1000 | |||
Tensile strength | KN/m | ≥20 | |||
Post-set (Cured) | |||||
Thickness | mm | 12 | 10 | 8 | 5 |
Compressive Strength of | MPa | 46 | 40 | 34 | 26 |
Flexural strength | MPa | ≥3.8 | ≥3.4 | ≥3.1 | ≥2.8 |
Pyramid Puncture Resistance | KN | 14.7 | 8.7 | 5.1 | 3 |
Impact resistance | / | No visible cracks or damage | |||
Waterproof | / | Ordinary type: Slightly seepage Waterproof type: No wet marks or water drops on the back of the sample | |||
Frost resistance | / | Appearance: no visible cracks, peeling, or powdering; Flexural strength reduction rate: ≤20% | |||
Freeze-thaw (retainedinitial Flexural Strengthsfer250 cycles) | % | 80% | |||
Combustion performance | / | Not less than B1 grade specified in GB 8624 (Chinese Standard) | |||
Note:1. Antifreeze and combustion performance are optional test items, which shall be negotiated between the supply and demand parties. 2. Items 1-5 in the table are pre-hardening test ilems, and items 6-14 are post-hardening test items. | |||||

