# High Borosilicate Glass Rod

> High Borosilicate Glass Rod — a precision glass tube / rod. Specs, RFQ checklist and custom sizes to drawing.

- Page: https://machiningglass.com/products/high-borosilicate-glass-rod/
- SKU: MG-BB4995
- Category: Laboratory & Analytical Glass > Precision Glass Capillaries, Tubes & Rods
- Image: https://machiningglass.com/wp-content/uploads/2026/10/High-Borosilicate-Glass-Rod.webp
- Updated: 2026-10-24

Product type: Quartz Rod. Application: Rubber, Metallurgy, Ceramic, Casting, Glass.

## Overview

High Borosilicate Glass Rod: a precision glass tube / rod. Listed geometry: glass tube shape. Temperature 500℃. Typical applications: Rubber, Metallurgy, Ceramic, Casting 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 Rod |
| Shape | Glass Tube |
| Application | Rubber, Metallurgy, Ceramic, Casting, Glass |
| Usage | Cosmetics, Food, Medicine, Chemical, Lab Glassware |
| Working Temperature | 500℃ |
| Melting Point | 1300 |
| Shipping Time | 7day |
| O.D. | 4-42mm |
| Length | 1200mm |
| Supplier | Lianyungang Yongsin Quartz Co., Ltd. |

## What to specify when you request a quote

- **Material** — name the glass (borosilicate 3.3, quartz, soda-lime).
- **OD, ID and wall** — give outer and inner diameter or wall and their tolerances.
- **Length and ends** — listed as “1200mm”; 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 [Borosilicate Glass 3.3: Material & Coating Guide for Machined Parts](https://machiningglass.com/materials/borosilicate-glass-3-3-material-coating-guide-for-machined-parts/). 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 [Precision Borosilicate Glass Wafers for Appliance Sensor Components](https://machiningglass.com/applications/precision-borosilicate-glass-wafers-for-appliance-sensor-components/). Before sending a drawing, check [Precision Glass Material Selection: Fused Silica vs Borosilicate & More](https://machiningglass.com/resources/precision-glass-material-selection-fused-silica-vs-borosilicate-more/). 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: Rubber, Metallurgy, Ceramic, Casting 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=19955#mg-rfq

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