Quartz Glass for Laboratory Instruments – Quartz Glass (CTE 0.59 x 10^-6 /K, 260 nm – 2.5 um). No minimum order; DFM review included with every RFQ.
What quartz glass for laboratory instruments actually buys from a glass shop: cuvettes, sight glasses, stir-cell windows. The requirement underneath is chemically durable cells and windows in small lots. Quartz Glass is the fit here because it offers fused from natural quartz crystal.
The numbers
| Material | Quartz Glass (GE214-equivalent, semiconductor grade) |
|---|---|
| Thermal expansion (CTE) | 0.59 x 10^-6 /K |
| Service temperature | 1,050 C continuous |
| Transmission range | 260 nm – 2.5 um |
| Density | 2.20 g/cm3 |
| Knoop hardness | 500 kg/mm2 |
| Refractive index | 1.459 @ 587 nm |
| Stock thickness | 0.20 – 60 mm |
| Maximum blank size | 450 mm diameter |
| RFQ inputs | PDF/DXF/STEP drawing, quantity brackets, surface and edge spec |
Specification advice
Three items decide most of the cost and lead time on this work:
- Material note: natural-quartz batches vary in metallic ppm, so semiconductor lots need certs per melt.
- Over-specification is the quiet budget killer: a 20/10 scratch-dig face costs roughly three times an 80/50 face, so grade each surface individually.
For the complete framework, see the tolerance design guide and the holes and edges design guide.
What the process holds
Beyond this page, Quartz Glass routinely runs through double-side polishing, lapping, drilling, ultrasonic machining in our shop – most real parts combine two or three of these steps.
Who orders this
Orders for quartz glass for laboratory instruments cluster in semiconductor equipment (view ports, wafer carriers, plasma rings, chamber windows); laboratory instruments (cuvettes, sight glasses, stir-cell windows). Background reading on the underlying material science: ScienceDirect: quartz glass.
The fastest route to a quote is geometry: use the 3D builder below, draw a dimensioned 2D drawing from it, or open the site-wide custom glass machining 3D + 2D builder for fully custom parts.
Engineers scoping this work usually also review perforated quartz plates, CNC machining capability, CCD screening plates.
Frequently asked questions
How does Quartz Glass behave under heat?
CTE is 0.59 x 10^-6 /K and continuous service reaches 1,050 C continuous, which is what drives its use where fused from natural quartz crystal matters.
What do laboratory instruments programs usually order?
Cuvettes, sight glasses, stir-cell windows. Typical spec: hydrolytic class 1 materials, fast-turn prototypes.
Is there a minimum order for quartz glass for laboratory instruments?
No. Single prototypes are accepted, and pricing steps down at 10, 100 and 1,000 pieces.
How fast can prototypes ship?
Machined prototypes ship in 5 – 10 working days. Coated or bonded parts add 1 – 2 weeks depending on queue slots.
Specifications on this page were last reviewed by our engineering team in August 2026.