What can and cannot be heat treated? General guidelines

  • Admin
  • January 26, 2016
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What can be heat treated
These are only general guidelines for heat treatment. If in doubt, please consult the manufacturer of the item you are thinking of treating.


With few exceptions. For example, Crocs™ shoes are made from unusual materials and are known will shrink or deform in heat from sunlight alone.

  • Clothing
  • Linens and blankets
  • Towels
  • Suitcases
  • Papers and magazines
  • Books
  • Shoes
  • Plastic storage bags, such as Ziploc® bags and trash bags

Potentially Safe

May vary by product. Consult product information or check with product manufacturer before exposing to heat.

  • Computers (batteries removed)  – desktop computers, laptops, tablets
  • Smart Devices (batteries removed) – tablets, cell phones
  • Electronics (batteries removed) – cameras, televisions, appliances

Do Not Heat

Items that may be damaged and/or cause damage if exposed to heat

  • Explosive or flammable items – Compressed gasses, aerosol or pressurized Cans – hairspray, deodorants, bug spray, asthma inhalers, spray paint, and cleaning products, hand sanitizer, butane lighters, lamp fuel, solvents, fuel for food warmers, firearms and ammunition, batteries
  • Meltable items – certain cosmetics, lipstick, chapstick, eyeliner, chocolates, candles, wax figurines, and oil paintings
  • Mercury thermometers
  • Fresh fruit and vegetables, carbonated beverages, wines, liquors
  • Medicines, vitamins, or supplements
  • Musical instruments  (although the cases themselves can be treated)
  • Film – including printed photographs, negatives, VHS, and cassette tapes
  • Humans, pets, fish, or plants