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| Categories | Borosilicate Glass Tube |
|---|---|
| Brand Name: | ZKTD |
| Model Number: | ZKTD |
| Certification: | SGS |
| Place of Origin: | China |
| MOQ: | 1 Pcs |
| Price: | USD 10-100/PC |
| Payment Terms: | L/C,T/T |
| Supply Ability: | 100Pcs/day |
| Delivery Time: | 5-10 Workday |
| Packaging Details: | Bubble Pad, Carton, Wooden Box |
| Product name: | Large Size Customized Polishing Clear Borosilicate Glass Bell Jar Glass Cover |
| Material: | Borosilicate COE3.3 Glass |
| Silicon content: | >=80% |
| Strain temperature: | 520℃ |
| Annealing temperature: | 560℃ |
| Softening temperature: | 820℃ |
| Processing temperature (104dpas): | 1220 ℃ |
| Density (20 ℃): | 2.23gcm-1 |
| specific heat: | 0.9jg - 1K-1 |
| MOQ: | 1 |
| Company Info. |
| Yantai ZK Optics Co., Ltd. |
| Verified Supplier |
| View Contact Details |
| Product List |
Large Size Customized Polishing Clear Borosilicate Glass Bell Jar Glass Cover
Yantai ZK Optics co., ltd can customize quartz and borosilicate
glass bell covers according to customer requirements, which can be
used in laboratory and other fields.
ZKTD is a high-precision glass products deep processing enterprise
integrating quartz glass CNC processing, thermal processing and
wire drawing. Good at processing and customizing all kinds of glass
products according to customer requirements.
| 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.
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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