OIL-GLO® ULTRA UV Fluorescent Dye (Yellow-Green)
For synthetic and petroleum-based fluid systems
SPI-OGYG
- Yellow-green UV fluorescent dye for closed-loop oil-based circulating systems.
- Works with hydraulic oil, compressor oil, engine oil, gearbox oil, gasoline, and diesel fuel systems.
- Engineered to remain safely in the system without altering the viscosity, lubricity, or overall performance of the host fluid or system components.
- Helps locate current and future leaks to support ongoing preventive maintenance.
- Fluoresces yellow-green under ultraviolet or violet light.
OEM Grade Fluorescent Dye
Filtered to 2 Microns
NSF Certified
UV LED
Violet Light LED
Perfect for Lubricants & Hydraulic Leaks
Designed for leak detection in lubricant and hydraulic systems, including hydraulic oil, compressor oil, engine oil, gearbox oil, gasoline, and diesel fuel systems.
Used in facility maintenance, machinery, mobile and stationary hydraulic equipment, and OEM in-line quality control.
Available Sizes & Part Numbers
Old Part # | Part # | Description |
OIL-GLO 44-P | SPI-OGYG-16 | 16 oz. (473 ml) bottle, for all oil-based fluids |
OIL-GLO 44-Q | SPI-OGYG-32 | 32 oz. (946 ml) bottle, for all oil-based fluids |
OIL-GLO 44-G | SPI-OGYG-1G | 1 gallon (4 L) container, for all oil-based fluids |
OIL-GLO 44-5G | SPI-OGYG-5G | 5 gallon (19 L) container, for all oil-based fluids |
OIL-GLO 44-D | SPI-OGYG-55G | 55 gallon (208 L) drum, for all oil-based fluids |
Dosage Chart by Fluorescent Dye Color
Recommended starting ratios for dye-to-fluid dilution.
Dye Color | Dilution Ratio | Dilution Ratio (%) |
Blue, Green, Yellow-Green | 1 fl oz (30 mL) treats up to 25 gal (94 L) | Up to 0.031% |
Yellow, White | 1 fl oz (30 mL ) treats up to 30 gal (113 L) | Up to 0.026% |