# Glass Tubes for Blowing Borosilicate Glass Tube Glass Smoke Tube Mini Glass Pipes Tube 33 Borosilicate Glass Tube

> Glass Tubes for Blowing Borosilicate Glass Tube Glass Smoke Tube Mini Glass Pipes Tube 33 Borosilicate Glass Tube — a precision glass tube / rod…

- Page: https://machiningglass.com/products/glass-tubes-for-blowing-borosilicate-glass-tube-glass-smoke-tube-mini-glass-pipes-tube-33-borosilicate-glass-tube/
- SKU: MG-B615D1
- Category: Laboratory & Analytical Glass > Precision Glass Capillaries, Tubes & Rods
- Image: https://machiningglass.com/wp-content/uploads/2026/10/Glass-Tubes-for-Blowing-Borosilicate-Glass-Tube-Glass-Smoke-Tube-Mini-Glass-Pipes-Tube-33-Borosilicate-Glass-Tube.webp
- Updated: 2026-10-24

Product type: Insulated Glass Thickness. Application: Lighting Glass Composition. Model: Customized.

## Overview

The Glass Tubes for Blowing Borosilicate Glass Tube Glass Smoke Tube Mini Glass Pipes Tube 33 Borosilicate Glass Tube is supplied as a precision glass tube / rod made from Borosilicate Tube. It is used in Lighting Glass Composition. Dimensions, material grade, coating and finish can be quoted to your drawing; the values above are the listed starting point.

## Specifications

| Parameter | Value |
| --- | --- |
| Type | Insulated Glass Thickness |
| Application | Lighting Glass Composition |
| Color | Transparent |
| Model NO. | Customized |
| Glass Type | Borosilicate Tube |
| Edges Treatment | Smooth Usage |
| Selling Units | Single Item Single Packag |
| Single Gross Weight | 2.000 Kg |
| Single Package Size | 2X2X3cm |
| Outside Diameter | 100mm OEM |
| Size&design | Accept customize according to different diameter , thickness, length or sending your drawing. |
| Na2O+K2O | 4% |
| B2O3 | 13% |
| Al2O3 | 2% |
| Supplier | Xinxiang Qianxuan Glass Products Co., Ltd. |

## Technical data

| Parameter | Value |
| --- | --- |
| Model Number | Borosilicate Glass Tube |
| Chemical Composition: | Na2O+K2O: 4% |
| Sio2 is greater than 81% |  |
| B2O3: 13% |  |
| Al2O3: 2% |  |
| Color | Transparent |
| Size | 1. Diameter: OD1-OD500mm2. Length: 150MM 200MM 250MM 300MM.3. Thickness: 2MM 2.5MM 3MM.4. OEM:All different sizes can be done according to customer's demand. |

## What to specify when you request a quote

- **Material** — listed as “Borosilicate Tube”; name the glass (borosilicate 3.3, quartz, soda-lime).
- **OD, ID and wall** — listed as “Customized”; 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 [Borofloat 33 Glass: Material Selection for Precision Substrates](https://machiningglass.com/materials/borofloat-33-glass-material-selection-for-precision-substrates/). 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 [Technical Guide to Glass Thickness and Flatness Requirements](https://machiningglass.com/resources/technical-guide-to-glass-thickness-and-flatness-requirements/). A related standard product is [BF33 Microfluidic Glass Chip for Rapid Testing](https://machiningglass.com/products/bf33-microfluidic-glass-chip-for-rapid-testing/).

## FAQ

### What is the Glass Tubes for Blowing Borosilicate Glass Tube Glass Smoke Tube Mini Glass Pipes Tube 33 Borosilicate Glass Tube made of?

It is listed as Borosilicate Tube. Other grades can be quoted if your application needs different transmission, thermal or chemical properties.

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

Listed applications: Lighting Glass Composition.

### 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=20445#mg-rfq

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