Heat-resistant wax pencil set is excellent for the temporary marking of beakers, flasks or test tubes. The set includes one red, blue and black pencil.
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Safety dictates that all chemical containers be properly labeled. These heat-resistant wax pencils are excellent for the temporary marking of beakers, flasks or test tubes. The wax will not melt unless the temperature of the vessel exceeds 400 ºF. Set includes one red, one blue and one black pencil.