Product type: Corning Optical Substrate. Application: Rubber, Plastic, Chemical, Construction, Metallurgy, Ceramic, Casting, Glass, Astronomy, Medicine, Biology, Communication, Milit. Model: RAY-XS119#.
Overview
The Ule Corning Code 7972 Ultra Low Expansion Glass/Optical Quartz Glass is supplied as a custom precision glass component made from Corning Ule-7972. Dimensions, material grade, coating and finish can be quoted to your drawing; the values above are the listed starting point.
Specifications
| Substrate | Corning Ule-7972 |
|---|---|
| Type | Corning Optical Substrate |
| Application | Rubber, Plastic, Chemical, Construction, Metallurgy, Ceramic, Casting, Glass, Astronomy, Medicine, Biology, Communication, Milit |
| Model NO. | RAY-XS119# |
| Stress Optical Coefficient | 4.15 (Nm/Cm)/(Kg/Cm2) |
| Abbe Constant | 53.1 |
| Strain Point | 890 Celsuis Degrees |
| Annealing Point | 1000 Celsuis Degrees |
| Softening Point (Estimated) | 1490 Celsuis Degrees |
| ain Cooperation Materials Manufacturers | CORNING, OHARA, SCHOTT, LEONI, AGC,HELLMA, NIKON,VITRON,C-LASER,ETC |
| Supplier | Shanghai Rui Tai Photoelectric Technology Co., Ltd. |
What to specify when you request a quote
- Material — listed as “Corning Ule-7972”; name the glass or quartz grade.
- Outline and thickness — give outline, thickness and tolerances.
- Holes, slots and features — dimension every hole and its position tolerance on the drawing.
- Edges — state edge finish and chamfer.
- Surface — state polish and flatness where they matter.
Engineering guides for this part
For material grades and coating options, see High-Purity Quartz Glass for Custom Machined Parts: Material & Coating Guide. How parts like this are machined and finished is covered in CNC Glass V-Groove Machining for LED and Optical Parts. For an application example, read Why Quartz Glass Components Excel in Coffee Machine Heating Modules. Before sending a drawing, check Precision Glass Machining Tolerances & Specifications: A B2B Guide. A related standard product is LED Groove Cover Glass.

