Edmac: Trusted Since 1948. For over 75 years, Edmac has been a go‑to source for high‑quality compressed air lubrication solutions. With more than $10 million in inventory across our strategically located warehouses in North Carolina, California, and Oregon, we're ready to deliver the products you need – fast. Edmac offers a replacement option for Kaishan KTL‑8000‑55 Compressor Lubricant, an ISO 46 synthetic hydrocarbon compressor oil designed for rotary screw systems requiring stable lubrication and dependable viscosity control during continuous service. Your search ends here. Edmac proudly offers Roto SYN Plus 46 – a synthetic hydrocarbon‑based ISO 46 lubricant engineered to align with the lubrication requirements of rotary screw compressor systems, supporting clean internal operation and consistent performance in demanding industrial environments.