Buying a heater with sheath material to match your application is crucial. Choosing the wrong sheath material for the fluid you're heating will cause the heater to fail- and fast. We always recommend choosing the "Best" sheath material for the fluid you're heating. It saves you money and production cost in the long run. If you're not sure what chemical you're heating, check with your chemical supplier. They should be able to supply you with a Materials Safety Data Sheet (MSDS).

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