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Parts washers were originally developed for use in automotive transmission and engine repair shops as a way to improve the function of simple soak tanks.Soak tanks are vats filled with a mixture of water and detergent, which take hours to "soften" the built-up road grime, fluids, tars and oils enough to be manually rinsed off prior to disassembly and repair.
Non-oleophilic skimmers are distinguished by the component used to collect the oil. A metal disc, belt or drum is used in applications where an polymeric material is inappropriate, such as in a hot alkaline aqueous parts washer. [3] The skimmer is generally turned off whenever there is no oil to skim thus minimizing the amount of water collected.
[1] [2] [f] This system consisted of a polyethylene reservoir holding up to 1.5 US gal (5.7 L; 1.2 imp gal) of isopropyl alcohol, an electric pump, and nozzles to spray the alcohol onto the windshield, with Tygon tubing running from the reservoir to the pump and from the pump to the spray nozzles. The accident aircraft's washer/deicer had a ...
A parts washer heats water and the detergent in a closed cabinet and then sprays the heated sodium hydroxide and hot water at pressure against dirty parts for degreasing applications. Sodium hydroxide used in this manner replaced many solvent-based systems in the early 1990s [ citation needed ] when trichloroethane was outlawed by the Montreal ...
Aqueous parts cleaning industrial washer Parts cleaning is a step in various industrial processes , either as preparation for surface finishing or to safeguard delicate components. One such process, electroplating , is particularly sensitive to part cleanliness, as even thin layers of oil can hinder coating adhesion .
Buffered oxide etch (BOE), also known as buffered HF or BHF, is a wet etchant used in microfabrication. It is a mixture of a buffering agent, such as ammonium fluoride NH 4 F, and hydrofluoric acid (HF). Its primary use is in etching thin films of silicon nitride (Si 3 N 4) or silicon dioxide (SiO 2), by the reaction: