Edge Grinding JGS2 Quartz Glass: JGS2 Quartz Glass (CTE 0.55 x 10^-6 /K, 220 nm – 2.5 um); Edge Grinding to chamfer +/-0.05 mm. Single-piece prototypes to production volumes, quoted from your drawing.
The combination of JGS2 Quartz Glass and Edge Grinding comes up constantly in RFQs for a reason – the material offers lower oh than jgs1, and Edge Grinding is the right way to get accurate geometry into it. Expect chamfer +/-0.05 mm and ground C or R profile, polish option.
The numbers
| Material | JGS2 Quartz Glass (Optical grade, bubble class 1) |
|---|---|
| Thermal expansion (CTE) | 0.55 x 10^-6 /K |
| Service temperature | 1,100 C continuous |
| Transmission range | 220 nm – 2.5 um |
| Density | 2.20 g/cm3 |
| Knoop hardness | 500 kg/mm2 |
| Refractive index | 1.458 @ 587 nm |
| Stock thickness | 0.20 – 40 mm |
| Maximum blank size | 300 mm diameter |
| Process | Edge Grinding |
| Working tolerance | chamfer +/-0.05 mm |
| Minimum feature | 0.1 mm chamfer leg |
| Surface finish | ground C or R profile, polish option |
| Thickness window | 0.1 – 25 mm |
| Edge condition | C-chamfer, R-round, pencil or OG profile |
| RFQ inputs | PDF/DXF/STEP drawing, quantity brackets, surface and edge spec |
DFM notes from the shop floor
The shop-floor rules that matter here:
- Material note: thicker blanks need stress-relief annealing before tight-flatness grinding.
- Process boundary: profiles below 0.1 mm leg length are lapped by hand and priced per edge.
- 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.
The full rules live in our tolerance design guide and holes and edges design guide.
Manufacturing capability
The core strength of Edge Grinding is edge strength – a finished chamfer roughly doubles the bend strength of a cut edge. The honest limit: profiles below 0.1 mm leg length are lapped by hand and priced per edge. Both belong on the drawing before quoting, not after.
One material, many routes: on JGS2 Quartz Glass we also quote ultrasonic machining, grinding, cnc machining, coring, and multi-step drawings are the norm rather than the exception.
Where these parts end up
Orders for edge grinding jgs2 quartz glass cluster in ccd inspection equipment (CCD cover plates, reference grids, stage glass); led packaging (groove covers, phosphor carriers, package windows); oled packaging (cover lids, frit-seal frames, fill-port plates). Background reading on the underlying material science: ScienceDirect: fused quartz.
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 holes and edges design guide, fused silica wafers 2-12 inch, JGS1 quartz glass.
Frequently asked questions
What equipment runs the edge grinding work?
CNC edge grinders with profiled diamond wheels.
Is there a minimum order for edge grinding jgs2 quartz glass?
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.
What files do you need for a quote?
A dimensioned PDF plus DXF or STEP geometry. If only a sketch exists, our drawing review service formalizes it before quoting.
Specifications on this page were last reviewed by our engineering team in September 2026.