Image: TOSOH Quartz

Glossary of Terms

*All measurements are in millimeters unless otherwise noted.

Term Definition
214 GE Standard Material Grade
224 GE Material - High Purity Grade
3N TOSOH JAPAN Material Grade 
AF Airline Free
BVL Bevel 
CRU Crucible
GRD Ground
HSQ700 HERAEUS Material Grade 
NP TOSOH JAPAN Material Grade 
OP1 TOSOH JAPAN Opaque Material Grade 
OP3 TOSOH JAPAN Opaque Material Grade 
OS OSRAM Standard Material Grade 
MCH Machined
OSI OSRAM Material
RD Rod
RL Random Length (Priced by the INCH)
SLTD Slotted
SLT  Slotted
SP Special
TB Tubing