| Categories | Borosilicate Glass Tube |
|---|---|
| Brand Name: | ZKTD |
| Model Number: | ZKTD |
| Certification: | SGS |
| Place of Origin: | China |
| MOQ: | 10pcs |
| Price: | USD 0.5-100/PC |
| Payment Terms: | L/C,T/T |
| Supply Ability: | 10000pcs/Say |
| Delivery Time: | 5-10 Workday |
| Packaging Details: | Bubble Pad, Carton, Wooden Box |
| Product name: | High Precision Optical Fiber Sleeve High Borosilicate Glass Capillary |
| Material: | Borosilicate COE3.3 Glass |
| ID: | 0.06-5mm |
| Silicon content: | >=80% |
| Strain temperature: | 520℃ |
| Annealing temperature: | 560℃ |
| Softening temperature: | 820℃ |
| Processing temperature (104dpas): | 1220 ℃ |
| Density (20 ℃): | 2.23gcm-1 |
| MOQ: | 20 |
High Precision Optical Fiber Sleeve High Borosilicate Glass Capillary
ZKTD has advanced wire drawing equipment and professional
technicians. It can customize high-precision glass capillaries of
various specifications and shapes to reach the international
advanced level.
Optional materials: quartz glass, high borosilicate glass, etc.
The minimum inner diameter of high borosilicate capillary produced
by us can reach 0.06mm and the tolerance can reach 0.001mm.
Please contact us for details.
| Borosilicate glass | |
| Silicon Content | >80% |
| Coefficient of Thermal Expansion (20-300℃) | 3.3×10-6 /K |
| Density(20℃) | 2.23g/cm3 |
| Hot Work Temperature(104dpas) | 1220℃ |
| Annealing temperature | 560℃ |
| Softening temperature | 820℃ |
| Refractive Index | 1.47 |
| Thermal Conductivity | 1.2Wm-1 K -1 |





Rich experience in quartz glass industry
We have more than 25 years industry experience in quartz glass
processing. We specialize in quartz glass capillary tubes and rods,
quartz glass substrates, CNC machined quartz, and quartz
instruments etc. According to product application, we have good
grasp of material properties and adapt the proper material into
product application.
Strong technical force in processing and application
Yantai ZK Optics Co., Ltd(ZKTD) is a high-tech manufacturer
specializing in the production and customization of quartz glass
products and optical glass products. We has excellent technical
strength, strong innovation ability and stable product quality. Our
processing method is rich, drawing of glass, cold and thermal
processing, micro size machining, high precision and difficulty
process, combination of multiple processing methods, which
guarantee that our product is excellent in all aspects.
Integrity and Quality Assurance
We are well known in quartz glass industry. Quality is the lifeline
of enterprise survival and development. Integrity is the source of
enterprise reputation, the foundation of standing and the
foundation of development. Through unremitting efforts and
continuous improvement, we have created a good manufacturing
platform of optical glass for customers.

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