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SynCold® RLT
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- Product Description
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| Product Overview
SynCold® RLT68GX is an ISO VG 68 synthetic polyol ester (POE) refrigeration lubricant specially formulated for commercial and industrial refrigeration and air-conditioning compressors. Designed to maximize lubrication performance in HFC-based systems, SynCold® RLT68GX delivers superior bearing protection thanks to its enhanced oil‑film strength when used with standard HFC lubricants. This product provides effective wear protection on both steel and aluminum surfaces, helping to extend system life and improve efficiency.SynCold® RLT 68GX lubricant is used for standard factory filling in air-conditioning and industrial refrigeration equipment, as well as for OEM retrofit applications. Laboratory studies can, based on compressor test‑bench results from equipment manufacturers and performance specification requirements, deliver a specially developed product line.
| Applications and Compressor Types
- HFCs, HCFCs, HFOs
- Reciprocating, screw, rotary, centrifugal, and scroll compressors
| Technical Features and Performance Advantages
Features Advantage Thermal stability Extend system lifespan Improve the efficiency of fuel use Efficiency Gains Anti-corrosion Enhance system reliability and reduce downtime. Excellent bearing lubrication Longer compressor life Optimized system performance Reduce operating costs Excellent lubricity Improve efficiency and reduce operating costs. Environmentally friendly Meets the requirements of REACH and RoHS standards. | Technical Specifications
Implementation Standard: Q/GH 1009
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.
| Excellent miscibilityWhen the refrigeration lubricant and the refrigerant mix to form a single, transparent phase, the performance of HFC systems is optimized. Miscibility reduces the viscosity of the refrigeration lubricant as it flows through the system, enabling it to return to the compressor more efficiently. Mineral oil is immiscible with HFCs, whereas SynCold* RLT68GX is a polyol ester–based refrigeration lubricant whose miscibility with HFC refrigerants is maintained at a controlled level.
| Excellent thermal stability
Sealed-tube test (ASHRAE 97) results indicate that SynCold RLT68GX exhibits excellent chemical stability when used with HFC refrigerants. In addition to its outstanding stability, this refrigeration lubricant has no adverse effects on materials such as metals and elastomers.
| Physical Properties
Project Analysis RLT68GX ASTM Test Method Viscosity grade 68 - 40℃ kinematic viscosity /mm²/s 67.5 ASTM D445 Kinematic viscosity at 100°C / mm²/s 8.21 ASTM D445 Viscosity Index 90 ASTM D2270 Density (20°C), g/mL 0.955 ASTM D4052 Pour point / °C -36 ASTM D97 Flash point / °C 256 ASTM D92 Flash point / °C 282 ASTM D92 Dielectric strength / kV 45 ASTM D877 Moisture /ppm <50 ASTM D1533 The SynCold® RLT 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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