| Application: | Rubber Softener |
|---|---|
| Base Oil Type: | Bio-based Oil |
| CAS No.: | 8562-95-1 |
|
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Before talking about the types of oils, it is interesting to understand what a mineral oil is.
Mineral oil is a liquid by-product that comes from the refining of petroleum through a distillation process. It is a transparent and colorless oil that is generally composed of alkanes and cyclic paraffin and, in addition, stands out for its viscosity and ability to disperse heat.
It is a substance that could be considered low-priced, in addition to being easy to produce in large quantities, since it is part of the most abundant group of lubricants. Containing thousands of different molecules and being a complex mixture, mineral oil is classified according to the type of predominant hydrocarbon:
The uses of mineral oil and its varieties are many. Next we are going to focus on naphthenic oil and paraffinic oil so that you can learn more about their differences and advantages.
Naphthenic oils are characterized by having a formula CnHC2rO and generally have a high asphalt index since it is obtained directly from the refining of , they are also practically free of paraffins (45%).
What does this mean? A constant flow at very low temperatures. To obtain "refrigeration grade" naphthenic oils it is necessary to subject them to complex physical and chemical treatments such as dewaxing, bleaching, sulfur removal, treatments with acids and solvents, among others. All this entails an expensive process that therefore raises the price of this type of oil.
Some of the uses of naphthenic oil are:
In addition, it is interesting to know that white oils can be derived from naphthenic oil, which in turn can be of two types: for technical or industrial use or for medicinal use.
Paraffinic oils are characterized by the CnH(2n+2) chain and are relatively stable at high temperatures. Unlike naphthenic oils, this type of oil contains a high proportion of dissolved paraffin (75%), which means that they tend to solidify at high temperatures.
They usually contain saturated hydrocarbons in their composition and a high index and low solvent power.
Some of the uses of paraffinic oil are:
|
Item
|
Premium
|
Excellent
|
|
Appearance
|
pure white
|
pure white
|
|
APHA (Pt-co)
|
20
|
50
|
|
Density(20ºC g/cm3
|
0.904
|
0.904
|
|
Flash point (ºC)
|
216
|
210
|
|
Viscosity (40ºC,MPA·s)
|
172
|
172
|
|
Pour point (ºC)
|
-18
|
-15
|
|
Reflective Index (20ºC)
|
1.4907
|
1.4907
|
|
( ºC )
|
100.5
|
100.5
|
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