Heat-Resistant Gloves: How to Choose the Right Protection Level

Heat-resistant gloves cover a wide range of hazards — brief contact with a hot surface is a very different problem to standing next to an open flame — and the wrong glove for the wrong exposure is a real injury risk, not just a comfort issue.

In short: Heat-resistant gloves are built for one of four hazards — contact heat, convective heat, radiant heat or molten metal splash — and a glove rated for one doesn’t necessarily perform well against another. Check the temperature and contact-time rating on the data sheet, and match the glove to your specific welding process or hot-surface task.

The main types of heat hazard

• Contact heat — touching hot metal, pipes or surfaces directly
• Convective heat — exposure to hot air or flame from a distance, as in furnace work
• Radiant heat — heat radiating from a hot object without direct contact, common near furnaces and kilns
• Molten metal splash — welding and foundry work, where small droplets of molten material can land on the glove

A glove built for one of these can perform poorly against another — for example, a glove that insulates well against brief contact heat may not be built to shed molten metal splash. Always match the glove to the specific hazard on site, not just the general phrase “heat-resistant.”

What to check before buying

Look for the temperature rating and contact-time rating on the data sheet — a glove rated for short-duration contact at a given temperature will fail if used for sustained exposure at the same temperature. For welding specifically, ask whether the glove is rated for the welding process you use (MIG, TIG and stick welding each throw off different heat and spatter characteristics).

Fit and dexterity still matter

The thicker and more insulated a glove, the less dexterity it usually offers — which is a real trade-off for tasks needing fine control, like TIG welding. Buy the lightest glove that still meets the rating you need for the job, rather than automatically choosing the thickest option available.

Frequently asked questions

What are heat-resistant gloves for?

Protecting hands from contact heat, radiant heat, hot air (convective heat) or molten metal splash — common in welding, furnace work, foundry work and handling hot surfaces or equipment.

What type of glove is best for handling hot metal?

A glove rated for contact heat with a temperature and contact-time rating that matches or exceeds the metal’s temperature and your expected handling time — check the data sheet rather than assuming any “heat-resistant” label is sufficient.

What kind of gloves can protect my hands from heat?

Gloves made from materials like leather, aramid fibres (Kevlar/Nomex-type blends) or specially treated cotton, rated for the specific type of heat exposure — contact, radiant, convective or molten splash.

Browse our heat-resistant glove range, or see the full hand protection buying guide for rubber and cut-resistant options too.