Heat-Transfer Fluid Now Resists Oxidation Better.A reformulated additive additive In foods, any of various chemical substances added to produce desirable effects. Additives include such substances as artificial or natural colourings and flavourings; stabilizers, emulsifiers, and thickeners; preservatives and humectants (moisture-retainers); and system for Paratherm OR heat transfer fluid from Paratherm Corp., Conshohocken, Pa., reportedly has doubled its resistance to oxidation-induced sludge sludge (sluj) a suspension of solid or semisolid particles in a fluid which itself may or may not be a truly viscous fluid. sludge a suspension of solid or semisolid particles in a fluid. formation and coking. The nontoxic fluid is thermally stable at temperatures up to 600 F. It is used in plastics and die-casting applications that involve open reservoirs, blowback blow·back n. 1. The backpressure in an internal-combustion engine or a boiler. 2. Powder residue that is released upon automatic ejection of a spent cartridge or shell from a firearm. 3. procedures, and quick connections. The fluid can be combined with other spent lubricating oils for recycling. |
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