GLOSSARY

GRAV is proud to be part of the scientific glass community and a tradition of glassblowing that is centuries old and still evolving. We encourage everyone to be curious and eager to learn. Our glossary helps to clarify some of the terms we use most often to talk about our products. If you'd like to better understand an aspect of glass blowing that isn't featured here, [email protected] is ready to help.

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A play on "nom de guerre" (war name, like Dracula or Aegon the Conqueror or The Bloody Baron), nom de verre literally means "Glass Name" in French. Many glass pipe artists use pseudonyms, much li... Learn More
The only glass type more heat resistant than borosilicate is quartz (pure silica). We use quartz in our bangers and dabbing accessories so that dabbers can torch those tools to the high temperatu... Learn More
WigWag glass is a style of glasswork that blends layers of colored glass, creating a striped, tie-dye effect. WigWag pipes are so colorful they almost appear painted, and each pipe ends up lookin... Learn More
Scientific and heady are genres of glass pipes. Most pipes can be labeled either scientific or heady, with a spectrum running between them (the more scientific, the less heady). Heady glass focus... Learn More
Sandblasting is a style of glasswork characterized by a matte, opaque finish, and a rougher texture than most glass. The finish is made by literally blasting the glass with sand using a blowing t... Learn More
Frit glass is a style of glasswork that sandwiches coarse pieces of broken, colored glass ("frit") between layers of clear glass, creating an almost marble-like effect. Frit glass gives the appea... Learn More
Bubble Trap glass is a style of glasswork that traps air bubbles between layers of clear and colored glass, creating geometric patterns and giving the impression of depth and three-dimensionality... Learn More
Borosilicate is a type of glass that can tolerate shifts in temperature, making it perfect for building pipes. Because borosilicate doesn't expand as much as other glass types when heated, there'... Learn More

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