Complaint
| Technical specifications for liquid resin | |||
| ITEM | UNIT | INDEX | TEST STRANDARD |
| Appearance | Viscous liquid | ||
| PH Value | mgKOH/g | GB2895 | |
| Viscosity (25ºC) | mPa.S | 700-950 | GB7193 |
| Gel time | min | 3-5 | GB7193 |
| Non- Volatile | % | GB7193 | |
| 80ºCstability | h | ≥24 | GB7193 |
| Note: the gel time was in 25ºC air bath,50g resin was added with 0.5ml Cobalt octoate solution and 0.5ml MEKP solution | |||
| Performance index of resin casting (for reference only) | |||
| ITEM | UNIT | INDEX | TEST STRANDARD |
| Barcol hardness | Barcol | GB3854 | |
| tensile strength | MPa | GB2567 | |
| Tensile Modulus | MPa | 70 | GB2567 |
| Elongation at break | % | 3.7 | GB2567 |
| Flexural Strength | MPa | GB2567 | |
| Flexural modulus | MPa | GB2567 | |
| impact toughness | KJ/m2 | 10.0 | GB2567 |
| HTD | ºC | 70 | GB1634.2 |
| Note: the ambient temperature was 23±2ºC and the relative humidity was 50±5% | |||
