Application: Cosmetics, Toothpaste, Food, Medicine, Chemical. Model: HH Lighting glass 04.
Overview
4-38mm Lead Free Soda Lime Glass Tube for Lamp Flare Tube, Exhaust Tube, Industrial Vent Pipe: a precision glass tube / rod made from Glass. Optical / electrical data: transmittance (546nm)92%, sheet resistance Resist Weak Acid & Neutral Aqueous Solution. It is used in Lighting Tube and Melting or Sealing. Dimensions, material grade, coating and finish can be quoted to your drawing; the values above are the listed starting point.
Specifications
| Material | Glass |
|---|---|
| Application | Lighting Tube, Melting or Sealing |
| Usage | Cosmetics, Toothpaste, Food, Medicine, Chemical |
| Feature | recyclable |
| Model NO. | HH Lighting glass 04 |
| Color | Transparent |
| Surface Treatment | Offset Printing |
| Item | 4-38mm Soda Lime Glass Tube for Neon Bulb & Tube |
| Use | Food and Medical Packaging |
| Chemical Resistance | Resist Weak Acid & Neutral Aqueous Solution |
| Process | Easy Cutting, Blowing, Bending, Sealing, Flame Pol |
| Feature 1 | High Light Transmittance, Lead-Free, Arsenic-Free |
| Thermal Expansion | Medium |
| Certification 1 | ISO Standard, Food Contact Safe, Cosmetic Grade S |
| Inspection | Full Batch Inspection for Bubble, Striae, Dimensio |
| End Treatment | Plain Cut Ends / Fire Polished Ends |
| Eco-friendly & compliant | No lead, no heavy metal precipitation, meet EU RoHS & REACH standards, smooth customs clearance for European and American markets. |
| High transparency | Visible light transmittance over 92%, clearly observe internal gas flow and combustion status. |
| Excellent hot workability | Moderate softening point, easy for flame flaring, vacuum sealing and lamp stem processing. |
| Weak acid & alkali resistance | Stable against common flue gas, suitable for exhaust and flare vent systems. |
| Thermal stability | Full annealing greatly reduces thermal expansion cracking risk under long-time high temperature. |
| Large production capacity | Stable mass output, competitive cost for bulk orders. |
| Outer Diameter | 3mm-100mm, customized special sizes acceptable |
| Wall Thickness | 0.2mm-3mm, uniform wall without eccentricity |
| Length | 300mm-3000mm, cut according to customer demand |
| Custom Processing | Single/double flaring, vacuum exhausting, frosted surface, scale printing, fire polishing |
| Tolerance | OD ±0.1mm, length ±2mm, consistent batch performance |
| Inner | Each tube wrapped with PE film, separated by paper dividers to prevent scratches. |
| Outer | Thick 5-layer corrugated cartons, wooden pallets optional for bulk sea shipment. |
| Coefficient of mean linear thermal expansion | 98.0× 10-7/degree |
| Softening point | 695degree |
| Annealing point | 514 degree |
| Density | 2.47g/cm3 |
| Light Transmittance | (546nm)92% |
| Standard size | Diameter 7mm to 35mm |
| Supplier | Jinan Honhai Glass Company Limited |
What to specify when you request a quote
- Material — listed as “Glass”; name the glass (borosilicate 3.3, quartz, soda-lime).
- OD, ID and wall — listed as “HH Lighting glass 04”; give outer and inner diameter or wall and their tolerances.
- Length and ends — listed as “Plain Cut Ends / Fire Polished 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. 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 Borosilicate Glass Wafers for Robust 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.
