Application: Chemical. Model: HHLBD.
Overview
The Borosilicate 3.3 Glass Tube for Tubular Microalgae Photobioreactor Cultivation, High Light Transmittance Glass Tubing for Algae is supplied as a precision glass tube / rod made from Borosilicate Glass 3.3 (COE 3.3). Listed geometry: size Od From 50mm to 500mm. Optical / electrical data: transmittance ≥91%, sheet resistance Long working temperature ≤ 450 ° C, short time working ≤ 500 ° C. Temperature -20ºC ~ 450ºC. Typical applications: Chemical. Dimensions, material grade, coating and finish can be quoted to your drawing; the values above are the listed starting point.
Specifications
| Material | Borosilicate Glass 3.3 (COE 3.3) |
|---|---|
| Size | Od From 50mm to 500mm |
| Usage | Chemical |
| Feature | recyclable |
| Color | Transparent |
| Model NO. | HHLBD |
| Item | Borosilicate 3.3 Glass Tube for Tubular Microalgae |
| Process | Cut, Polish, Ground, Tempered |
| Property 1 | Borosilicate Heat Resistant |
| Shipment | by Sea, by Air, by Courier |
| Light transmittance | ≥91% |
| Thermal expansion coefficient | 3.3×10 K¹ |
| Working temperature range | -20ºC ~ 450ºC |
| Common outer diameter | 50mm, 60mm, 70mm, 90mm, 110mm |
| Conventional wall thickness | 2.0mm / 2.5mm |
| Standard length | 1m, 2.5m, 5.5m |
| Surface treatment | Full annealing, both ends flame polishing |
| Temperature resistance | Long working temperature ≤ 450 ° C, short time working ≤ 500 ° C |
| Light transmission rate | 95% up |
| Hydraulic Water-resistant strength | More than test 40Kgf/cm ² |
| Thermal stability | T300 ° C |
| Linear expansion coefficient (0-300 ° C) | 3.3 × 10-7 K-1 |
| Softening temperature | 820° C |
| Supplier | Jinan Honhai Glass Company Limited |
What to specify when you request a quote
- Material — listed as “Borosilicate Glass 3.3 (COE 3.3)”; name the glass (borosilicate 3.3, quartz, soda-lime).
- OD, ID and wall — listed as “Od From 50mm to 500mm”; give outer and inner diameter or wall and their tolerances.
- Length and ends — listed as “1m, 2.5m, 5.5m”; 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. How parts like this are machined and finished is covered in 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. Before sending a drawing, check Precision Glass Material Selection: Fused Silica vs Borosilicate & More. A related standard product is 4-inch Borofloat 33 Glass Wafers.

