Material Composition
| Key Components | Content | Technical Function |
|---|---|---|
| 42.5R White Cement | 40-45% | Early strength skeleton |
| Graded Quartz Sand | 50-55% | Mechanical interlock |
| EVA Redispersible Powder | 4-5% | Film formation at -5℃ |
| HEC Ether | 0.3% | Open time ≥30min |
Performance (EN 12004 C2TES1 Class)
| Property | Requirement | Test Data | Standard |
|---|---|---|---|
| Initial bond strength | ≥0.5MPa | ≥1.8MPa | ISO 13007-2 |
| Wet bond strength | ≥0.5MPa | ≥1.6MPa | (28d immersion) |
| Heat-aged strength | ≥0.5MPa | ≥1.7MPa | (70℃×14d) |
| Freeze-thaw strength | ≥0.5MPa | ≥1.5MPa | (35 cycles) |
| Slip resistance | ≤0.5mm | ≤0.08mm | EN 1308 |
| Deformation capability | ≥2.5mm | ≥5.0mm | EN 12002 |
Application Protocol
Substrate Prep
Strength ≥1.5MPa, flatness ≤3mm/2m
Pre-wet high-absorption surfaces, prime low-absorption substrates
Mixing
Water ratio: 0.22-0.24 (5.5-6.0L per 25kg)
Mix 3min + rest 2min
Installation
Notch trowel: 10mm×10mm (porcelain), 12mm×12mm (stone)
Open time: 5-10min before tile setting
Adjustment time: ≥20min (large slabs)
Coverage
Porcelain tile: 4.0-4.5kg/㎡ (10mm notch)
Natural stone: 6.5-7.5kg/㎡ (back-buttering)
Environmental Limits
Temp range: 5℃~35℃ (low-temp version to -5℃)
No foot traffic/vibration within 24h
Restrictions
Flexible substrates (wood/metal)
Permanent underwater immersion
