Freezing Oil Detection
Product types: Mineral oil refrigeration oil, synthetic refrigeration oil (POE, PVE, PAG, AB, etc.), refrigerator refrigeration oil, air conditioning refrigeration oil, cold storage unit refrigeration oil, refrigeration compressor specific refrigeration oil, in use refrigeration oil.
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Product Introduction
Detection range
(1) Product types: Mineral oil refrigeration oil, synthetic refrigeration oil (POE, PVE, PAG, AB, etc.), refrigerator refrigeration oil, air conditioning refrigeration oil, cold storage unit refrigeration oil, refrigeration compressor specific refrigeration oil, in use refrigeration oil.
(2) Applicable refrigerants: various refrigerants such as R22, R134a, R404A, R410A, R32, etc. are matched with refrigeration oil.
(3) Applicable scenarios: New oil acceptance, in use oil monitoring, compatibility determination with refrigerants, degradation analysis, compressor status diagnosis, quality arbitration.
Testing items
(1) Appearance and physical and chemical properties
Appearance, chromaticity, kinematic viscosity, viscosity index, density, flash point, pour point, pour point, moisture content, mechanical impurities, acid value, ash content, residual carbon, insoluble matter, volatility.
(2) Low temperature and thermochemical properties
Low temperature fluidity, low temperature start-up, thermal stability, oxidation stability, chemical stability.
(3) Compatibility with refrigerants
Compatibility with refrigerants, delamination, emulsification, precipitation, and precipitation tendency.
(4) Lubrication, anti-wear, and sealing performance
Wear resistance, four ball test, wear spot diameter, lubricity, compatibility with sealing materials, insulation (some models).
(4) Anti corrosion, rust prevention and cleaning performance
Copper corrosion, liquid-phase corrosion, rust resistance, cleanliness, impurity content, and filtration performance.
(5) Elemental and Deterioration Analysis
Metal wear elements, additive elements, pollutant elements, and degree of oxidation 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 261 Flash Point Determination Method (Closed Cup Method)
GB/T 3535 Determination of pour point method
GB/T 260 Moisture Determination Method
GB/T 511 Mechanical Impurity Determination Method
GB/T 4945 Determination of Acid Value and Alkali Value
GB/T 5096 Copper Corrosion Test Method
GB/T 11143 Liquid phase corrosion test method
GB/T 8022 Determination of Extreme Pressure Performance of Lubricating Oil
GB/T 17476 Determination of Metal Elements in Used Lubricating Oil
GB/T 16630 Refrigeration Engine Oil
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.
