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SynCold® PAG
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- Product Description
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| Product Overview
SynCold® PAG series products are synthetic polyalkylene glycol (PAG) refrigeration lubricants specifically developed for automotive, commercial, and industrial refrigeration and air‑conditioning compressors. The SynCold® PAG series represents a uniquely tailored blend of polyalkylene glycol and carefully selected additives. These lubricants exhibit excellent resistance to dilution by hydrocarbons and other refrigerant gases, a feature that is particularly advantageous in flooded screw compressors. Additional benefits include thermal stability, low ash content, a high viscosity index, shear stability, and outstanding lubricity.Most automotive and truck air-conditioning systems use compressors manufactured in Japan or the United States, along with R134a refrigerant. These compressors require synthetic polyalkylene glycol–based lubricants, such as SynCold® PAG 46 or SynCold® PAG 100. SynCold® PAG products exhibit excellent miscibility with R134a.
The SynCold® PAG150 product is particularly well suited for compressors operating with hydrocarbon refrigerants such as propane (R290) and propylene (R1270). Designed for screw-type compressors, it offers unique advantages in resisting dilution by hydrocarbons and compressed gases.
SynCold® PAG series products contain polar polyethylene glycol. The structure of polyethylene glycol imparts hygroscopic properties, which means that special care must be taken when handling these products: keep containers tightly sealed at all times, use nitrogen to blanket the refrigeration lubricant, and store drums in a dry indoor environment.
| Applications and Compressor Types
- HFCs, HFOs, CO2
- Methane, ethane, ethylene, propane, propylene, butane, butene, butadiene, and chemical gases such as ammonia and vinyl chloride monomer.
- Lubrication of Liquefied Petroleum Gas, Hydrocarbon Gas, and Liquefied Natural Gas Compressors
- Reciprocating, screw, rotary, centrifugal, and scroll compressors
| Technical Features and Performance Advantages
Features Advantage Thermal stability Excellent chemical stability and oxidation resistance, enabling long-term operation. Improve the efficiency of fuel use Efficiency Gains Compatibility It exhibits excellent compatibility with commonly used materials in refrigeration systems. Wide range of viscosity options It can meet the viscosity requirements of various devices and applications. Excellent bearing lubrication A lubricating film stable at high temperatures | Technical Specifications
Implementation Standard: Q/GH 1010
Compliance with standards: German Institute for Standardization (DIN) DIN 51503‑1, Japanese Industrial Standards Committee (JISC) JIS K 2211, British Standards Institution (BS) BS 2626.
| Physical PropertiesProduct Name PAG46 PAG68 PAG100 PAG150 Test Method ISO Viscosity Grade 46 68 100 150 GB/T 3142 Kinematic viscosity (40°C) / (mm²/s) 44.5 68.1 102.0 148.0 GB/T 265 Color / Number <0.5 <0.5 <0.5 <1.5 GB/T 6540 Density (20°C)/(kg/m³) 986 993 1014 1020 SH/T 0604 Viscosity Index 192 197 215 220 GB/T 1995 Flash point /°C 192 196 226 256 GB/T 3536 Pour point /°C -52 -48 -45 -42 SH/T0886 Acid value / (as KOH) / (mg/g) <0.02 <0.02 <0.02 <0.02 GB/T 4945 Extreme-pressure performance (Falex test)
Failure load / N4250 4450 4600 4650 SH/T 0187 The SynCold® PAG series can meet customers’ specific viscosity requirements and accommodate a variety of packaging specifications. Additional information is available upon request.
| Health and Safety
Health and safety recommendations for this product can be found in the Material Safety Data Sheet (MSDS); please refer to our official website.
| Packaging Specifications200L, 20L, 10L, 4L, 1L
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