profile borosilicate 3.3 glass tube, glass profile tube & rod
Borosilicate glass tubing and rod, available in varying types of inner and outer profile, has more advantages:
High Resistance to Thermal Shock
High Hydrolytic Resistance
High Chemical Resistance
Application:
Lighting: Flameproof light fittings others
Gifts: Decoration/grappa bottles Candlesticks Lanterns Others
Interior Decoration: Towel rails
Furniture Fittings
Others
high borosilicate 3.3 glass tube
1. We are manufacturer, we have 8 set production lines, we are professional, efficient, honest and responsible.
2. Productivity: 60T per day.
3. Outside diameter: from 3mm to 315mm.
4. Wall thickness: from 1.0mm to 10mm.
5. Length: from 5mm to 2200mm. Normal length: 1000mm-1800mm.
6. Color: Clear or other colors
7. The high borosilicate 3.3 glass tube is used forlab equipment, optical, medical, daily glassware, solar energy, test tube, etc.
8. We can supply special dimensions according to request.
9. We have ISO9001, ISO14001 certificates.
10. MOQ of normal glass tube: 1T. MOQ of special glass tube: 3T.
11. Payment terms: L/C, D/A, D/P, T/T, Western Union, MoneyGram.
12. Physical data of COE 3.3 borosilicate glass tube:
| Physical data of COE 3.3 borosilicate glass tube |
| No. |
Physics Performance |
Numerical Value |
Unit |
| 1 |
Medium coefficient of linear expansion α20/300 acc.To DIN 52328 |
3.3 ± 0.1 |
10-6 K-1 |
| 2 |
Transformation Temperature |
525 ± 15 |
degree Celsius |
| 3 |
Upper annealing temperature |
560 ± 10 |
degree Celsius |
| 4 |
Softening point |
820 ± 10 |
degree Celsius |
| 5 |
Working temperature |
1260 ± 20 |
degree Celsius |
| 6 |
Maximum short-time working temperature |
500 |
degree Celsius |
| 7 |
20 degree Celsius Density ρ |
2.23 ± 0.02 |
g/cm3 |
| 8 |
Modulus of elasticity E |
64 |
103 N/mm2 |
| 9 |
Poisson's ratio |
0.20 |
1 |
| 10 |
Thermal productivity(20 degree Celsius -100 degree Celsius ) |
1.2 |
W/m2K |
| 11 |
Temperature for the specific electrical resistance of 108Ω·cm(DIN52326)tk 100 |
250 |
degree Celsius |
| 12 |
Stress-optical constant(DIN52314)K |
4.0 |
10-6mm2/N |
13. Chemical data of COE 3.3 borosilicate glass tube:
| Composition |
SiO2 |
B2O3 |
Na2O + K2O |
Al2O3 |
| approx.weight % |
81 |
13 |
4 |
2 |
| high borosilicate 3.3 glass tube |
| Description |
Rate |
| Water resistance to ISO720 |
1 |
| Water resistance to European Pharmacopoeia |
1 |
| Water resistance to USP23 |
1 |
| Acid resistance Class(DIN12116) |
1 |
| Alkali resistance Class(ISO695) |
2 |
Product Description
1.Product name: 16*1.8 Borosilicate/pyrex glass tube/tubes for lab glassware(test tube,beaker)
2.production flow:
Raw inspection--mixing ---melt molding --annealing --cutting ---packing
From the beginning till the ending ,our team workers keep strict production standard ,so as to confirm the high quality of the tube .
3.Feature:Free-lead ,eco-friendly ,coe 3.3,handmade,lampwork,mouth blow
4.usage : lampworking,decoration,glass,artcrafts,hand-made glass products such as:Glass water pipe and bubbler glass teaset ,glass cup ,glass straw,glass wine decanter,glass crafts for decoration glass lamp dome dome cover
Packing:
Usually packing is carton with wooden pallet; Carton Size: 1270*270*200mm; Around 20kg~30kgs per carton; A 20'ft container can hold about 320cartons/ 16 pallets, around 7~10tons; A 40'ft container can hold about 700cartons/34pallets,around 18tons.
MOQ:100kgs
Delivery time: within 20 days after receipt of advance.
Payment: 30%-50%TT in advance and balance against copy of BL.
Transport :By ship or express
Company Information
We are a leading Manufacturer & Supplier of Borosilicate Glass 3.3 Tubing and rods is
committed to providing the absolute highest quality and most extensive offering of 3.3 borosilicate glass tubing and rod in the industry.
Our warehouse has over 330 standard sizes for you to choose from.If there's a size that we donnot keep in stock just let us know and we'll custom make it for you.
Audited Supplier 
){kind=link}