Great Wall 4529 Series Synthetic Refrigeration Compressor Oil
Great Wall 4529 Series Synthetic Refrigeration Compressor Oil - Image 2
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Great Wall 4529 Series Synthetic Refrigeration Compressor Oil

Great Wall 4529 Series is high-performance synthetic refrigeration oil with low moisture absorption. Available in viscosity grades 68, 100 and 150. Specially formulated for automotive air conditioning, industrial refrigeration and cold storage compressor systems. Features outstanding thermal stability, excellent lubricity and good refrigerant compatibility, ideal for long-term reliable operation of HVAC and refrigeration equipment.

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Product Overview

Product Name: Great Wall 4529 Series Synthetic Refrigeration Compressor Oil

Model / Grades: 4529-68 / 4529-100 (VG68 / VG100)

Brand: Great Wall

Origin: China

Packaging: 1L, 4L, 200L drum (or customized)

Refrigerant Compatibility: R134a

Hazardous Material: No

Product Overview

Great Wall 4529 Series synthetic refrigeration compressor oil is formulated from high-quality synthetic base oils and advanced additives through multiple refining processes. It is specially designed for air-conditioning and refrigeration compressors using R134a refrigerant, providing excellent lubrication and system protection.

Key Features

  • Excellent Thermal & Chemical Stability: Prevents oil degradation under high temperature or chemical exposure, extending service life.
  • Superior Anti-Wear Performance: Effectively reduces wear of compressor components and protects critical moving parts.
  • Low Hygroscopicity (Low Moisture Absorption): Prevents water accumulation and capillary blockage, ensuring stable refrigeration system operation.
  • High Electrical Insulation: Enhances electrical safety and reduces risk of insulation failure.
  • Excellent Refrigerant Compatibility: Fully miscible with R134a refrigerant; no hydrolysis or corrosion, ensuring stable compressor performance.

Typical Technical Data

Item 46# 68# 100# 120#
Kinematic Viscosity (100°C), mm²/s 10.71 14.5 20.83 24
Kinematic Viscosity (40°C), mm²/s 49.5 67.9 102.9 121.5
Viscosity Index 219 225 229 233
Acid Value, mgKOH/g 0.05 0.05 0.05 0.05
Flash Point, °C 237 239 249 253
Pour Point, °C -43 -43 -45 -42
Copper Corrosion (T2Cu, 3h @100°C), Grade 1a 1a 1a 1a
Water Content, ppm 45 45 45 65

Applications

  • Refrigerant: R134a (HFC refrigerant)
  • Compressor Types:

Automotive air-conditioning: reciprocating, swash plate, rotary vane, scroll compressors

Household refrigeration: air conditioners, refrigerators, freezers

Industrial refrigeration systems: screw compressors, centrifugal compressors

  • System Compatibility: Available in multiple viscosity grades to meet different operating conditions and equipment requirements

Technical Advantages

  • Stable lubrication performance under high-speed and high-load conditions
  • Reduces compressor noise and mechanical wear
  • Improves system efficiency and operational reliability
  • Extends compressor service life and reduces maintenance cost

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