# Heat Resistant Quartz Glass Solid Rod

> Heat Resistant Quartz Glass Solid Rod — a precision glass tube / rod. Specs, RFQ checklist and custom sizes to drawing.

- Page: https://machiningglass.com/products/heat-resistant-quartz-glass-solid-rod/
- SKU: MG-74AC86
- Category: Laboratory & Analytical Glass > Precision Glass Capillaries, Tubes & Rods
- Image: https://machiningglass.com/wp-content/uploads/2026/10/Heat-Resistant-Quartz-Glass-Solid-Rod.webp
- Updated: 2026-10-24

Product type: Quartz Tube. Application: Chemical, Construction, Glass. Model: JSV-QGR.

## Overview

Heat Resistant Quartz Glass Solid Rod: a precision glass tube / rod. Listed geometry: round, rectangle, square shape. It is used in Chemical, Construction and Glass. Dimensions, material grade, coating and finish can be quoted to your drawing; the values above are the listed starting point.

## Specifications

| Parameter | Value |
| --- | --- |
| Type | Quartz Tube |
| Shape | Round, Rectangle, Square |
| Application | Chemical, Construction, Glass |
| Model NO. | JSV-QGR |
| Color | Clear |
| Feature | Heat Resistance, Impact Resistance, Hardness |
| Processing | Cutting, Polishing, Bending, Pressing |
| Supplier | Jinan JSV Industrial Co., Ltd. |

## Technical data

| Parameter | Value |
| --- | --- |
| Product Name | Quartz glass solid rod |
| Grade | JGS1, JGS2, and JGS3 |
| Feature | High heat resistance, high transparence, high strengthness |
| Color | Clear colorless |
| Processing | Cutting, grinding, polishing, fire polishing, annealing, drilling, sandblasting, coating, sealing, Joining, bending, blowing, pressing |
| Shape | Round, rectangle, custom shape, plate |
| Application | Optic component, laboratory glassware, sight glass |
| Packing | carton, pallet, wooden crate |

|   |   |   |   |
| --- | --- | --- | --- |
| 1 | Coefficient of mean linear thermal expansion (20ºC~310ºC) | 5.5 | 10-6K-1 |
| 2 | Density | 2.203 | g/cm3 |
| 3 | Mohs Hardness | 5.5~6.5 | Mohs |
| 4 | Annealing temperature | 1210 | °C |
| 5 | Softening Point | 1680 | °C |
| 6 | Deformation Point | 1280 | °C |
| 7 | Working Temperature (Short Time) | 1300 | °C |
| 8 | Working Temperature(Long Time) | 1100 | °C |

## What to specify when you request a quote

- **Material** — name the glass (borosilicate 3.3, quartz, soda-lime).
- **OD, ID and wall** — listed as “JSV-QGR”; give outer and inner diameter or wall and their tolerances.
- **Length and ends** — give length, end finish and any closed or flared ends.
- **Straightness and bore** — state straightness and bore tolerance for precision tubing.

## Engineering guides for this part

For material grades and coating options, see [Custom Borosilicate Glass Sheets Cut to Size: Precision and Performance](https://machiningglass.com/materials/custom-borosilicate-glass-sheets-cut-to-size-precision-and-performance/). How parts like this are machined and finished is covered in [Precision Bore Glass Tubing Processing: End-to-End Manufacturing for Industrial Buyers](https://machiningglass.com/capabilities/precision-bore-glass-tubing-processing-end-to-end-manufacturing-for-industrial-buyers/). For an application example, read [Why Quartz Glass Components Excel in Coffee Machine Heating Modules](https://machiningglass.com/applications/why-quartz-glass-components-excel-in-coffee-machine-heating-modules/). Before sending a drawing, check [Quartz Glass Manufacturing: Controlling Thermal Conductivity in Fused Silica](https://machiningglass.com/resources/quartz-glass-manufacturing-controlling-thermal-conductivity-in-fused-silica/). A related standard product is [BF33 Microfluidic Glass Chip for Rapid Testing](https://machiningglass.com/products/bf33-microfluidic-glass-chip-for-rapid-testing/).

## FAQ

### Where is this precision glass tube / rod used?

Listed applications: Chemical, Construction and Glass.

### What should I include in a quote request?

Include material, od, id and wall, length and ends and straightness and bore, plus quantity and a drawing if the part is custom.

## Request a quote

Send drawings, tolerances and quantity: https://machiningglass.com/contact/?rfq_product_id=6449#mg-rfq

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Source: Custom Precision Glass Machining — https://machiningglass.com/