Base oil is a type of oil which is used as a base for lubricants. The main element of lubricants (volume wise) is base oil and it forms about 95% of lubricants weight. In some lubricants (Compressor and hydraulic oil) 99% of the oil is consisted of base oil and only the 1% which is left contains additives. Base oils can be reached from oil based and non-oil based resources. Most of the base oils used in the world are obtained from crude oil refining. Most of the compounds which form base oils are Paraphinic, Naphthenic and aromatic compounds.
Base oils chemical properties and their impact on the usage of final lubricant:
1 volatility: reduction of the oil, oil thickening, sediments
2 surface activity: foaming, pressure tolerance, air release, emulsion expansion
3 oxidations: sediments, oil thickening, metal oxidation, mud forming
4 Viscosity: Fluidity in lower degrees, energy waste, abrasion protection, proper cooling
5 being soluble: Motor neatness, sealant compatibility, process applications, formulation sustainability The base oil which is extracted from crude oil is called mineral base oil which is categorized in two types (Paraphinic and Naphtshic). Paraphinic oils are consisted of normal hydrocarbons and Iso hydrocarbons. Naphthic oils are consisted of annular full hydrocarbons. Paraphinic oils have certain attributes in comparison with naphthic oils such as;
Leads
Composition structure
1. There must be no molten slag, particulate oxygen, inclusions and external pollution on the surface of lead ingots.
2. Lead ingots must not have cold partitions, and must not have flash burrs larger than 10mm (repairing is allowed).
Sign
1. Each lead ingot will be cast or printed with the trademark and batch number.
2. Use paint that is not easy to fall off to mark the brand mark on the lead ingot. The color and position of the mark should meet the requirements.
3. Each bundle of lead ingots should have a striking and difficult to fall off mark, indicating the manufacturer's name, product name, brand number, batch number and net weight.
Single weight of small ingot
48kg�±3kg,42kg�±2kg,40kg�±2kg,24kg�±1kg;
Single weight of large ingot
950 kg�±50kg,500 kg�±25kg
Package
The small ingots are bundled and packed with non-corrosive packaging tape. Large ingots are supplied as bare ingots
