It is designated by the number 001100
What is Clear Tekta
Slumping begins at this temperature
What is 1180 degree F.
Glass score running technique made famous by Jenny Tilton.
What is tapping?
Brushed or poured onto a shelf this substance prevents glass from sticking
What is Shelf Primer
It's caused by air being trapped between layers
What are bubbles?
337 is widely used for it's reactive properties.
What is French Vanilla
Cooling the kiln quickly stops the flow process.
What is Crashing
Pliers used to run the score down a piece of glass.
What are Running Pliers
Bullseye's "Paper" that prevents glass from sticking to the shelf
What is Thin Fire?
The cause of this crack can be determined by its sharp edges
What is cooling to fast?
When combined they form a reaction in glass.
What is Copper and Sulfer
An interesting effect occurs when trapping air and heating long enough to escape.
What is Boiling Glass
Small strips of glass can be pulled from a larger piece using pliers with a straight jaw and an opposing curved jaw
What are Grozer Pliers
Fiber "paper" that is used in kiln carving
What is Kiln Fiber?
Caused by dirty glass this cloudy formation can be fixed by clear powder and refiring
What is divitrification or devit?
Transparent colors are designated by these number of digits.
What is Four
Contouring glass is also known as this.
What is Dimensional Fusing
A tiny black, brown, or gray line can appear around one color of glass when placed on another color of opposing chemical composition
What is a reaction?
Most popular brand name of Boron Nitride
What is Zyp
The cause of this crack can be determined by its smooth edges
What is heating too fast?
It's a very light transparent color.
What is a tint.
A term used on how fast glass is heated.
What is the Rate?

What is Stacked Glass
Maximum temperature where a protective shelf coating isn't necessary in the kiln.
What is 1200 degrees F.
Cracking appears at exactly the area where one color of a multicolor project appears.
What is incompatible glass or different COE's (Coefficient of Expansion)