Kitchen utensils have different melting points, and it would be essential to know the exact melting points so you know what would happen when you leave a container/utensil in the oven. Silicone utensils: 600°F (315.5°C) Nylon utensils: 400°F (204.4°C) Plastic utensils: >428°F (>220°C) Stainless steel: 2750°F (1510°C) In terms of ...