Great Wall 4524 Series Synthetic Refrigeration Oil

Great Wall 4524 Series is high-performance synthetic refrigeration oil with viscosity grades 22, 32, 46, 68 and 100. Premium replacement for CPI and Emkarate brands, featuring excellent thermal stability, low wax precipitation and outstanding lubrication. Widely used in HVAC, refrigeration and compressor systems.

Product Features

  • Product Name: Great Wall 4524 Series Synthetic Refrigeration Oil
  • Model / Grades: 4524-22 / 32 / 46 / 68 / 100 (VG22 / VG32 / VG46 / VG68 / VG100)
  • Packaging: 16kg / pail, 200L drum
  • Applicable Refrigerants: R134a, R407C, R410A, R32, R22
  • Brand: Great Wall
  • Origin: China
  • Industrial Grade: Synthetic Lubricant / Refrigeration Oil

Product Overview

The Great Wall 4524 Series synthetic refrigeration oil is formulated with high-quality synthetic base oils and refined with multiple additives, including extreme pressure (EP), anti-oxidation, and anti-corrosion agents. It is specially designed to provide long-lasting lubrication and protection for refrigeration and air-conditioning systems.

Key Features

  • Excellent Thermal and Oxidation Stability: Prevents degradation of oil at high temperatures, ensuring stable system operation.
  • Good Material Compatibility: Reduces leakage risks in refrigeration systems.
  • Superior Refrigerant Solubility: Maintains high thermal efficiency of the system.
  • Excellent Low-Temperature Performance: Operates reliably down to -40°
  • Outstanding Lubrication: Protects compressors and reduces mechanical wear.
  • Environmentally Friendly: Biodegradable formulation reduces environmental impact.
  • Comprehensive Performance: Ensures long-term stable operation of refrigeration equipment.

Applications

  • Refrigerants: R134a, R407C, R410A, R32, R22
  • Equipment: Screw compressors, scroll compressors, central air-conditioning units, multi-split units, industrial and commercial refrigeration systems, automotive air conditioning systems.
  • Operating Temperature: -40°C to 150°C (short-term up to 170°C)

Typical Physical Properties (4524 Series)

Item 15 32 46 68 100
Kinematic Viscosity (40°C), mm²/s 15.1 31.82 45.8 67.25 98.7
Acid Value, mgKOH/g 0.05 0.03 0.05 0.03 0.05
Flash Point (Open Cup), °C 210 241 240 251 255
Pour Point, °C -48 -45 -45 -37 -35
Copper Corrosion (100°C, 3h), Level 1b 1b 1b 1b 1b

 

Core Value

  • Compatible with mainstream eco-friendly refrigerants.
  • Superior comprehensive performance, prolonging equipment life and reducing maintenance costs.