Lubricating Oil And Additive Testing
Applicable scenarios: raw material incoming inspection, production quality control, factory testing, in use oil monitoring, failure analysis, environmental and safety evaluation, market supervision spot checks, arbitration testing.
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Product Introduction
Detection range
(1) Product types: automotive lubricating oil (gasoline engine oil, diesel engine oil, gear oil, hydraulic oil), industrial lubricating oil, lubricating grease, metalworking oil, heat transfer oil, refrigeration oil, marine lubricating oil, base oil, various lubricating oil additives (detergents, dispersants, antioxidants, extreme pressure anti-wear agents, rust inhibitors, pour point depressants, thickeners, etc.).
(2) Applicable scenarios: raw material incoming inspection, production quality control, factory testing, in use oil monitoring, failure analysis, environmental and safety evaluation, market supervision spot checks, arbitration testing.
Testing items
(1) Appearance and physical and chemical properties
Appearance, chromaticity, odor, transparency, density, relative density, kinematic viscosity, viscosity index, pour point, pour point, flash point (open/closed), moisture, mechanical impurities, ash content, sulfate ash content, residual carbon, acid value, alkali value, saponification value, iodine value, refractive index.
(2) Lubrication and extreme pressure anti-wear performance
Wear spot diameter, sintering load, comprehensive wear value, anti-wear performance, friction coefficient, fatigue performance, lubricity, extreme pressure performance.
(3) Antioxidant and thermal stability properties
Oxidation stability, rotating oxygen bomb, thermal stability, oxidation induction period, high temperature thermal stability, aging performance.
(4) Corrosion prevention, rust prevention, and compatibility
Rust prevention performance, corrosion testing (copper corrosion, steel corrosion), liquid-phase corrosion, anti-corrosion performance, rubber compatibility, plastic compatibility, paint compatibility, material compatibility.
(5) Cleaning and dispersing performance
Cleanliness, dispersibility, high temperature cleanliness, filtration, tendency towards sludge, and tendency towards paint film formation.
(6) Use performance indicators
Bubble resistance, air release value, emulsion resistance, water separation performance, emulsion breaking time, low temperature flowability, high temperature stability, storage stability.
(7) Additives and Elemental Analysis
Additive content, effective component content, elemental analysis (iron, copper, lead, aluminum, zinc, phosphorus, sulfur, calcium, magnesium, boron, molybdenum, etc.), sulfur content, phosphorus content, nitrogen content.
(8) Environmental and safety indicators
Heavy metal content, polycyclic aromatic hydrocarbons, volatile organic compounds, biodegradability, acute toxicity, flash point, flammability, corrosiveness.
(9) Oil monitoring in use
Changes in viscosity, acid value, pollution level, moisture content, impurity content, metal abrasive particles, remaining service life, and degree of oil degradation.
Testing standards
GB/T 265 Petroleum products Determination of kinematic viscosity
GB/T 1995 Calculation Method for Viscosity Index of Petroleum Products
GB/T 267 Determination of flash point and ignition point of petroleum products
GB/T 3535 Determination of pour point of petroleum products
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 3142 Determination of Bearing Capacity of Lubricants
GB/T 12583 Test Method for Corrosion Resistance of Lubricating Oil
GB/T 8022 Determination of Extreme Pressure Performance of Lubricating Oil
GB/T 11143 Liquid phase corrosion test method for petroleum products
GB/T 12579 Lubricating Oils - Determination of foam Characteristics
GB/T 7305 Determination of Water Separability of Petroleum Products and Synthetic Liquids
GB/T 17040 Determination of sulfur content in petroleum products
SH/T series lubricating oils and additives related test methods
ISO 6743 Classification of lubricants, industrial lubricants and related 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.
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