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General Physical And Chemical Properties Of Lubricating Grease
May 16, 2018

Each kind of lubricating oil has its common physical and chemical properties to show the intrinsic quality of the product.

For lubricants, these general physical and chemical properties are as follows:

(1) Appearance (chroma) The color of oil can often reflect its refining degree and stability. For base oil, the higher the general refining degree, the more clean the oxide and sulfide of hydrocarbon, the lighter the color.

However, even if the refining conditions are the same, the different oil source and the base of crude oil produced by the basic oils, its color and transparency may be not the same.

For the new product lubricants, because of the use of additives, color as the basis for the determination of the degree of oil refining level of the index has lost its original meaning.

(2) Density Density is the simplest and most commonly used physical performance index of lubricating oil.

The density of lubricating oil with its composition of carbon, the increase in the number of oxygen and sulfur, and thus in the same viscosity or the same molecular weight of the case, the more aromatic, resin-containing and asphaltene more than the most oil density, containing more than Cycloalkanes center, with more than the smallest hydrocarbon.

(3) Viscosity Viscosity reflects the internal friction of oil, is an indicator of oil and liquidity. Without adding any functional additive, the greater the viscosity, the higher the oil film strength and the worse the fluidity.


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    Shenzhen Xinchanglong New Material Technology Co.,Ltd
    Add: A Building,No.114 Xiangxi Xinwei, Songyuanxia Community, Guanlan Street, Longhua New District, Shenzhen
    Tel: +86-755-23779082
    Fax:+86-755-23063739
    Mob:+86-18928450189
    E-mail: sales@gl-polygel.com
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