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Material is a general term for a chemical substance or a mixture of substances with certain, well defined physical properties.

30 votes

What easily accessible material has melting point between 500 °C and 590 °C?

Temperature-indicating or thermo crayons are used by welders. These melt at specific temperatures. Not as an endorsement, but to give you an idea of what's available, the crayons from McMaster-Carr co …
Wayne Conrad's user avatar