e can produce the arc quartz plate  as your requirement.

1. Material properties of arc quartz plate:

High corrosion resistance

Broad Transmission Spectrum

Low Thermal Expansion Coefficient

Can work long time with 1100°C

Softening point:1730°C=3146°F

Strain point:1075°C=1967°F

2. Use of arc quartz plate:

Wildy used in Medical,Electronices instrument,Scientific research,Optical industry and so on.