Base Oil Testing
Product types: mineral base oil (Class I, Class II, Class III), poly (alpha olefin) synthetic base oil (PAO, Class IV), ester synthetic base oil (Class V), cyclic base oil, paraffin base oil, white oil, hydrogenated base oil, cracked base oil, lubricating oil blending base oil.
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Product Introduction
Detection range
(1) Product types: mineral base oil (Class I, Class II, Class III), poly (alpha olefin) synthetic base oil (PAO, Class IV), ester synthetic base oil (Class V), cyclic base oil, paraffin base oil, white oil, hydrogenated base oil, cracked base oil, lubricating oil blending base oil.
(2) Applicable scenarios: raw material incoming inspection, production quality control, factory inspection, blending formula verification, in use oil monitoring, trade delivery, environmental and safety evaluation, arbitration testing.
Testing items
(1) Appearance and physical and chemical properties
Appearance, chromaticity, odor, density (20 ℃), kinematic viscosity (40 ℃, 100 ℃), viscosity index, flash point (open/closed), pour point, pour point, moisture content, mechanical impurities, ash content, residual carbon, acid value, refractive index, aniline point, relative density.
(2) Stability performance
Oxidation stability, rotating oxygen bomb, thermal stability, oxidation induction period, storage stability, thermal oxidation stability, aging trend.
(3) Cleaning and impurity indicators
Insoluble substances, filtration, cleanliness, color stability, volatility, and evaporation loss.
(4) Corrosion prevention, rust prevention, and compatibility
Copper corrosion, liquid-phase corrosion, rust resistance, rubber compatibility, plastic compatibility, coating compatibility.
(5) Composition and structural indicators of hydrocarbons
Saturated hydrocarbon content, aromatic hydrocarbon content, cycloalkane content, alkane content, sulfur content, nitrogen content, carbon structure (CA, CN, CP).
(6) Low temperature and high/low temperature performance
Low temperature dynamic viscosity, low temperature pumpability, low temperature flowability, high and low temperature cycling stability.
(7) Environmental and safety indicators
Heavy metal content (lead, cadmium, mercury, arsenic, etc.), polycyclic aromatic hydrocarbons, sulfur content, volatile organic compounds, biodegradability, acute toxicity, flammability.
(8) Compatibility of additives (for blending)
Compatibility, solubility, and blending stability with detergents, dispersants, antioxidants, anti-wear agents, rust inhibitors, and thickeners.
Testing standards
GB/T 265 Petroleum products Determination of kinematic viscosity
GB/T 1995 Calculation Method for Viscosity Index of Petroleum Products
GB/T 3535 Determination of pour point of petroleum products
GB/T 267 Determination of flash point and ignition point of petroleum products
GB/T 3536 Flash point of petroleum products (open cup method)
GB/T 260 Determination of Moisture in Petroleum Products
GB/T 511 Determination of Mechanical Impurities in Petroleum Products
GB/T 4945 Determination of Acid and Alkali Values of Petroleum Products
GB/T 5096 Petroleum products - Copper corrosion test method
GB/T 11143 Liquid phase corrosion test method for petroleum products
GB/T 17040 Determination of sulfur content in petroleum products
GB/T 30519 Determination of Evaporation Loss of Light Aromatic Hydrocarbons and Base Oils
SH/T 0604 Determination of Density of Petroleum Products (Vibration Tube Method)
SH/T 0248 Determination of Distillation Range of Petroleum Products
SH/T 0557 Determination of Oxidation Stability of Petroleum Base Oils
SH/T 0703 Determination of Aromatic Content in Lubricating Base Oil
ISO 6743 Classification of lubricants, industrial lubricants and related products
ASTM D2270 viscosity index calculation method
ASTM D2896 Determination of Residual Carbon in Petroleum Products
was established in 2011. As a national high-tech enterprise recognized by the Zhejiang Provincial Higher People's Court as a judicial authentication institution for construction engineering quality, we specialize in structural performance testing and safety assessment of construction projects, special equipment, communication towers, electromagnetic environments, large bridges, and building safety appraisal.
The company has more than 100 professional and technical personnel, over 90% of whom hold various medium and senior technical certificates. Equipped with complete testing equipment worth over RMB 10 million, our business scope covers the whole country.
