1.1 Definition of grease
Grease is a stable solid or semi-solid product consisting of a thickener dispersed in a base oil (liquid lubricant). Such products can be supplemented with additives and / or fillers aimed at improving certain characteristics.
1.2 Composition of grease
It is dispersed in the base oil (liquid lubricant) and forms a skeleton, so that the liquid lubricant is adsorbed and fixed in the skeleton, thereby forming a semi-solid grease with plasticity.
Properties of thickener:
Dispersibility, surface lipophilicity, stability, corrosion resistance
1.2.2 Base oil (or liquid lubricant)
Grease is a two-phase dispersion system with a structural skeleton, and the base oil is the dispersed phase of this dispersion system.
The base oil is the main body of the grease, accounting for 70% to 98% of the weight of the grease.
Grease additives are substances added to grease to improve its performance. It can improve the inherent properties of the grease itself, or it can impart properties that were not originally available.
1.3 Structure of grease
The structure of the grease is the physical arrangement of the particles of the thickener, base oil and additive components of the grease. The nature of this arrangement determines the appearance and physical properties of the grease.