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Test Method | Oil Content | ASTM D 721 | Max 0.23% |
Flash Point | ASTM D 92 | Minimum 250 C | |
Melting Point | ASTM D 87 | 67 C | |
66.8 C | |||
Color | IP 17 0.1 Y |
||
Kinematic Viscosity @ 100 c | ASTM D 445 | 6.2 cSt | |
Refractive Index @ 90 c | | 1.43177 | |
Needle Penetration | ASTM D 1321 | 14 (0.1 mm ) |
Semi-refined paraffin wax is white, too hard, tasteless, odorless, and solid at room temperature. It has more than 1% oil content. Semi-refined paraffin wax has chemical stability, well flexibility, and good insulation. It is insoluble in water and alcohol.
Semi-refined paraffin wax is classified based on oil content into four grades:
In addition, in another classification, semi-refined paraffin wax is divided into two types:
If the oil content of semi-refined paraffin wax is less, the quality is higher. Also, it is whiter and harder.
In the below, the specifications of different types of semi-refined paraffin wax are shown.
Test | Test Method | Oil Content | ASTM D 721 | 1-2 % wt | ||
---|---|---|---|---|---|---|
Melting Point | ASTM D-87 | 64-68 C | ||||
Flash Point | ASTM D-92 | 220-240 C | ||||
Kinematic Viscosity at 100C | ASTM D-445 | 6-7.5 cSt | ||||
Color | ASTM D1500 | White |