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From flavour retaining barriers on snack packets, to colourful tints on sunglasses that look so cool ... they have one thing in common – they’re thin metal films created under vacuum.
Apiezon® AP201 is a hydrocarbon fluid prepared by molecular distillation and protected against oxidation by a thermally stable additive of matched vapor pressure. It has an auto ignition temperature of 305°C.
It exhibits a fair degree of resistance to chemical degradation (so that high throughputs of air and water vapor can be pumped without damage to the fluid) and it can withstand limited accidental admission of atmospheric air at operating temperature. The fluid has low viscosity which permits easy filling and draining. It does not attack synthetic rubbers used for seals and gaskets in vacuum systems. It is non-irritant, non-toxic and environmentally non-polluting.
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