Lead* bearing glass that intensely reacts with French Vanilla 137. Note: Dense White does not react to any other sulfur glass. Firing above 1500°F (815°C) for more than 15 minutes or firing slowly between 1250°F (677°C) and 1500°F (815°C) may result in an unstable glass. No color shift upon firing. A dark interface reaction is possible with sulfur-bearing glasses (001137, 000137). Dense White Powder (000313-0008F) is recommended for surface use only. It may crackle when used between sheet glass layers. Sheet sizes are: 1/2 Sheet - 20" x 17 1/2" 1/4 Sheet - 10" x 17 1/2" 10" x 10" 5” x 10” 5” x 10”s are perfect for testing colors before you commit to buying a larger piece, or if you just need a small piece. **Please note, 5" x 10" pieces may vary in size.** This glass is available in Pre-Cut Circles! *Bullseye's lead bearing glasses are safe to use with food Reaction Chart Reaction Chart: Download PDF Bullseye Price Code C