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White Spirit
Wide application and high quality make White Spirit one of the most popular solvents in the world.
white spirit is produced as a fractional distillation from naphtha or kerosene.
It is used mainly as a solvent in the paint industry. White spirits or mineral spirits are mixtures of paraffins, cycloparaffins and aromatic hydrocarbons.
If you are eager to know more about this type of solvent, follow this article.
Types of White Spirits
White spirits are four types – Type 0 (high aromatic) , Type 1 (hydrodesulfurization) , Type 2 (low aromatic) and Type 3 (odorless). The composition of the various types of white spirit depends on the production process.
Type 0:
High aromatic white spirit is a complex combination of hydrocarbons obtained from the distillation of crude oil .
It consists of predominantly saturated hydrocarbons having carbon numbers in the range C9-C12 and a boiling point between approximately 140- 220°C.
Type 1:
This type of white spirit is obtained from type zero catalytic hydrodesulfurization process.
It consists of hydrocarbons having carbon numbers in the range C7-C12 and a boiling point between approximately 90-230°C ( Aromatics < 25%).
Type 2:
Low aromatic white spirit is a complex combination of hydrocarbons obtained from refinery processes.
This type contains aliphatic hydrocarbons in the range C7 to C12 and boiling point in the range of approximately 90 to 230°C (Aromatics< 5 %).
Type 3:
The fourth type of white spirit is a complex combination of hydrocarbons obtained by refining a petroleum fraction with hydrogen in the presence of a catalyst.
It consists of hydrocarbons having carbon numbers mainly in the range C6-C13 and a boiling point between approximately 65-230°C (Aromatics < 1%).
Grades of White Spirit
Also for each type of white spirit there are three different grades. each grade is determined by the conditions of distillation:
– Low flash: in this grade the flash point is in the range of 21 to 30 Centigrade.
– Regular flash : in this grade the flash point is in the range of 31 to 54 Centigrade.
– High flash : in this grade the flash point is more than 54 Centigrade.
The grade is determined by the crude oil used as the starting material and the conditions of distillation.
| CHARACTRISTIC | UNIT | SPECIFICATON | TEST METHOD |
| Density @ 15°C | kg/m 3 | 775 Min | ASTM D-1298 |
| Color Say bolt | – | 25 Min | ASTM D-156 |
| Flash Point Tag | °C | 38 Min | ASTM D-93 |
| I.B.P | °C | 142 Min | ASTM D-86 |
| 10% Evaporated | °C | 158 Min | ASTM D-86 |
| 50% Evaporated | °C | 180 Max | ASTM D-86 |
| 90% Evaporated | °C | 210 Max | ASTM D-86 |
| FBP | °C | 230 Max | ASTM D-86 |
| Dry Point | °C | 198 Max | ASTM D-86 |
| Sulfur Total | % wt | 0.1 Max | ASTM D-1266 |
| Doctor Test | – | Negative | ASTM D-4952 |
| Aromatic Content | % vol | 20 Max | ASTM-D-1319 |