Sentinel’s 400 thru 700 HT Oil Series are a blend of synthetically fortified fluids with various metallic solids in sub-micron particles suspended in a colloidal suspension. These specialty fluids are designed primarily for high temperature equipment used on oven chains, and tenter frame ovens, as well as paint and ceramic curing ovens. Through Sentinel’s HOMOGENIZING PROCESS, the metallic solids are placed in suspension and will not filter out, thus eliminating the pre-mixing needed with most other types of oils.