The purpose is to assess the degree of contamination or loss of quality (heat and chemical) of the oil. Insoluble residue = soot, dust, metal fragments (due to abrasion), products of oxidation and hydrolysis … Determined by the following methods: Total insoluble residue: Number of mg of residue collected after filtering 100ml of oil => […]
Sulfate ash content is the amount of residue left after completely burning the oil sample. Car engine oil: Sulfate ash content Determination method: ASTM D 874 – Petrol engine oil: sulfate ash ≤ 1,5% m – Diesel engine oil: sulfated ash ≤ 2% m
Density is the ratio of the density of a given substance at a specified temperature (15 ° C or 30 ° C) to the density of pure water at a specified temperature (15 ° C or 30 ° C). ). The density and density of a substance are equal if considering the density of water […]
Trade Item Ingredients: Multigrade motor oil (Example: 10W-40) HDB I: 54% HDB II, III: 20% AVI: 9.7% Antifreeze additive: 0.3% Additive package: 16% Ship oil: BSS: 90% Cleaning additives: 10% Industrial oils: HDB: 98.5% Antifreeze additive: 0.3% Additive package: 1.2% (Mainly anti-oxidant, anti-corrosion, anti-foam additives)
Base oil is classified into 3 main groups: Mineral oil: – Basic protection – Short use time – Low cost Semi-synthetic oil – Increased protection – Prolonged use time – Reasonable price Synthetic oil – Outstanding protection – Long time use – High price Depending on the requirements and purpose of use, we will choose […]
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