Select Your Region
- Manufacturer: Dow
- Product Line: UCON™ Polyalkylene Glycol Formulated Fluids
- Product: UCON™ Polyalkylene Glycol Compressor Fluids
- Industries: Facility Infrastructure | Maintenance, Repair, Overhaul
- Authorized Countries: Canada | Mexico | United States
UCON™ R-4
Fulfilled By ChemPoint
SKU
0133254
UCON™ R-4 is an ISO 68 polyalkylene glycol oil designed for extended service life and performance in reciprocating hydrogen compressors.
Package Sizes
Quantity
Documents
Specifications
Viscosity (at 40°C): 74.1 cSt
Viscosity (at 100°C): 16.0 cSt
Viscosity index: 231
Pour point: −41°C (−42°F)
Flash point: 249°C (480°F)
Specific gravity: 1.041
Pounds per gallon: 8.88
Primary Chemistry:
Polyalkylene glycol (PAG)
Talk to an Expert
Conor Robertson, Technical Specialist
Product recommendations backed by technical expertise.
Fast answers to formulation and application questions.
Manufacturer
Product Line
Authorized Countries
Canada
Mexico
United States
Overview
Dow UCON™ R-4 is a PAG-based synthetic lubricant designed for superior cylinder lubrication of reciprocating hydrogen compressors commonly used in refinery processes. UCON™ R-4 has an excellent viscosity index and high-performance properties, making it an excellent versatile lubricant. UCON™ R-4 provides ultraclean machine performance and has a viscosity of 74.1 cSt at 38°C. In addition, UCON™ R-4 offers good thermal conductivity, exceptional lubrication, and low vapor pressure. This polyalkylene glycol–based fluid also eliminates the high costs of required maintenance checks. In addition, UCON™ R-4 synthetic glycol limits buildup in cylinders, maintaining the cleanliness of systems. It is also compatible with many common elastomers.
UCON™ R-4 lubricant compressor oil solves many problems, such as thermal conductivity issues and frequent sludge or varnish buildup. UCON™ R-4 oil also has exceptional lubricity and water-tolerant properties, keeping equipment free of corrosion, especially in applications with harsh or unforgiving environments.
Features & Benefits
- Low hydrogen and hydrocarbon solubility
- Low vapor pressure
- Exceptional lubricity
- Lowered maintenance costs
- Good thermal conductivity
- No sludge, varnish, or lacquer formed
- Water tolerance
- Easier low-temperature start-up
Problems Solved
Damage or scoring to compressor components
Frequent compressor maintenance or replacement
Sludge buildup
Applications
UCON™ R-4 compressor fluid can be used in a wide range of compressors for varying industries.
Related Applications
Facility Infrastructure
Related Chemistries
Maintenance, Repair, Overhaul
Related End Markets
Facility Infrastructure
Maintenance, Repair, Overhaul
Related Functions
Maintenance, Repair, Overhaul
UCON™ Polyalkylene Glycol Formulated Fluids Articles
Dow UCON™ Compressor Fluids
The UCON™ Compressor lubricants deliver long-term lubrication and reliable performance across a wide range of common compressor types. Learn more in our article here!
U.S. Supply Chain
Nationwide warehouse locations
Strategically located across the U.S. for fast, reliable delivery. Every order, every time.
0
Warehouses
0
States
ChemPoint Is Here to Help
Are you in the correct region?
We’ve detected that you are located in a different region than the region selected on the website. Would you like to change your region?
Current Region: English - United States
