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Clue: "Heat-resistant glass"
"Heat-resistant glass" is a New York Times crossword puzzle clue that we have seen 2 times. When there are multiple answers, the answers are sorted by the most recently seen.
Most likely answer
SILEX
Possible answers
SILEX
PYREX
Likely related crossword puzzle clues
Flask material
Beaker material
Test-tube glass
Test tube material
Glass cookware brand
Measuring cup material
Material for a baking dish
Material for a baking vessel
Glass ingredient
Finely ground quartz
Ingredient in glassmaking
Proctor ___ (small appliance brand)
Proctor-___ (small appliance maker)
Mineral in the form of quartz or flint
Finely ground quartz used as paint filler
Recent usage in crossword puzzles
New York Times -
October 30, 2020
New York Times -
August 25, 1998