preface number | essential requirements | enterprise standard | national standard(Grade A) |
1 | Clour≤ | 18.0 | 18.0 |
2 | Melting point,℃≥ | 72.0 | 72.0 |
3 | Moisture(%)≤ | 2.0 | 2.0 |
4 | Matter insoluble in hot alcohol(%)≤ | 1.0 | 1.0 |
5 | Ash by mass(%)≤ | 0.4 | 0.4 |
6 | Wax Max(%)≤ | 5 | 5.5 |
7 | Matter soluble in water(%)≤ | 0.5 | 0.5 |
8 | Rosin & copals | Nil | Nil |
9 | Iodine,gl/100g≤ | 20 | 20 |
10 | Acid value,mgKOH/g≤ | 73 | 73 |
11 | 170℃±1℃ hot life≥ | 8min | 3min |
