Air Knife Provides Superior Corrosion Resistance

Exair’s super air knife made of polyvinylidene fluoride (PVDF) provides a laminar curtain of air that can be used to blow off, clean, and dry in highly corrosive environments.

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Exair’s super air knife made of polyvinylidene fluoride (PVDF) provides a laminar curtain of air that can be used to blow off, clean, and dry in highly corrosive environments. In addition to the PVDF body, the knife features C-276 alloy screws and a PTFE shim to adjust the force and flow of the airstream. According to the manufacturer, these components offer resistance to UV light, inorganic chemicals, solvents, ozone, weather, fungi, chlorinated hydrocarbons, highly corrosive acids, weak bases and salts. The knife is designed for use in the manufacturing of solar cells, lithium ion batteries, semiconductors, medical devices and various processes that include electroplating, transfer of acids, caustic chemicals, brine, and solvent recovery not suitable for stainless steel. Compressed air inlets on each end and the bottom offer flexible options for connection to the plant compressed air system and mounting in tight places. Many stock lengths are available from 3-54 inches, and knives can be mounted end-to-end without dead spots. According to the company, the knife can withstand temperatures up to 275°F (135°C), has no moving parts to wear out, and is quiet at 69 dBA.