Product specification summary
- Catalog No. / MFR #
- COS-100-640
- Product
- Lubri-Loy Synthetic Compressor Oil 100
- Product type
- Rotary synthetic compressor oil
- Viscosity grade
- ISO 100
- Service rating
- 8,000 hours
- Size
- 5 gal
- Stock status
- Factory order

Rotary synthetic compressor oil, ISO 100
Catalog number COS-100-640 identifies Lubri-Loy Synthetic Compressor Oil 100. It is a synthetic oil for rotary compressors, with an ISO 100 viscosity grade and an 8,000-hour rating.
This article covers the 5 gal size. Use the complete COS-100-640 catalog number and the package size when discussing your order with Lubri-Loy.
Lubri-Loy quality, blended in the USA since 1949
Lubri-Loy has blended quality lubricants in the USA since 1949. COS-100-640 is part of its rotary synthetic compressor oil offering.
Buying directly from Lubri-Loy gives you a direct point of contact for questions about this compressor oil and your ordering needs.
Buy COS-100-640 direct from Lubri-Loy
Use the linked COS-100-640 product page on lubriloy.com to buy direct from Lubri-Loy. The prominent product links near the top and end of this article lead to that exact catalog item.
COS-100-640 is a factory-order item. Plan ahead and contact Lubri-Loy to confirm current ordering arrangements for the 5 gal size.
View COS-100-640 Synthetic Rotary Compressor Oil ISO 100, 5 gal / COS-100-640
Frequently asked questions
What is COS-100-640?
COS-100-640 is Lubri-Loy Synthetic Compressor Oil 100, a rotary synthetic compressor oil in ISO viscosity grade 100, rated for 8,000 hours and supplied in a 5 gal size.
Is COS-100-640 a factory-order item?
Yes. COS-100-640 is a factory-order item. Contact Lubri-Loy to confirm current ordering arrangements.
How can I buy this product from Lubri-Loy?
Open the matching Lubri-Loy product page. Use Add to cart or Buy now when available, or Request a quote for quote-only products. Direct orders include free shipping within the US.