No. | Index | Unit | Type | Testing Method |
A- | ||||
1 | Appearance | After molding, the surface should be flat, shinny and smooth, no bubbles or crack, color and foreign material achieves standard. | ||
2 | Resistance to boiling water | No mushy, permit little color fade and purse | GB13454 | |
3 | Volatile matter | %,≤ | 4.00 | GB13455 |
4 | Water absorb (cold) | mg, ≤ | 100 | GB1034 |
5 | Shrinkage | % | 0.60-1.00 | GB13454 |
6 | Distortion Temperature | ºC≥ | 115 | GB1634 |
7 | Fluidity | mm | 140-200 | GB13454 |
8 | Impact Strength (notch) | KJ/m2, ≥ | 1.8 | GB1043 |
9 | Bending Strength | Mpa, ≥ | 80 | GB9341 |
10 | Insulation Resistance after 24h in water | MΩ≥ | 104 | GB1410 |
11 | Dielectric strength | MV/m,≥ | 9.0 | GB1408 |
12 | Baking Resistance | GRADE | I | GB2407 |
Temperature | 150-180ºC |
Pressure | 25-40Mpa |
Curing time | 0.24-0.3 min/mm |