Yantai ZK Optics Co., Ltd.
| Payment Terms | L/C, D/A, D/P, T/T, Western Union, MoneyGram |
| Supply Ability | 100000pcs/day |
| Delivery Time | 5-10work day |
| Packaging Details | Bubble pad, sponge, carton, wooden box |
| Product name | Borosilicate Laboratory Lab Glass Test Tube Culture Tubes |
| Material | Borosilicate COE3.3 Glass |
| Size | Diameter: 4mm-300mm |
| Silicon content | >=80% |
| Strain temperature | 520℃ |
| Annealing temperature | 560℃ |
| Softening temperature | 820℃ |
| Tensile strength | 40- 120Nmm - 2 |
| Elastic modulus | 76KNmm - 2 |
| MOQ | 10 |
| Brand Name | ZCQ |
| Model Number | ZCQ |
| Certification | SGS |
| Place of Origin | China |
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Product Specification
| Payment Terms | L/C, D/A, D/P, T/T, Western Union, MoneyGram | Supply Ability | 100000pcs/day |
| Delivery Time | 5-10work day | Packaging Details | Bubble pad, sponge, carton, wooden box |
| Product name | Borosilicate Laboratory Lab Glass Test Tube Culture Tubes | Material | Borosilicate COE3.3 Glass |
| Size | Diameter: 4mm-300mm | Silicon content | >=80% |
| Strain temperature | 520℃ | Annealing temperature | 560℃ |
| Softening temperature | 820℃ | Tensile strength | 40- 120Nmm - 2 |
| Elastic modulus | 76KNmm - 2 | MOQ | 10 |
| Brand Name | ZCQ | Model Number | ZCQ |
| Certification | SGS | Place of Origin | China |
| High Light | Laboratory Borosilicate Glass Tube ，Fully Annealed Borosilicate Glass Tube ，Laboratory Test Tube Borosilicate Glass | ||
Borosilicate Laboratory Lab Glass Test Tube Culture Tubes
Transferring substances and liquids into other states of aggregation and thus initiating further reactions is very important for the daily work in the laboratory. A wide variety of vessels, apparatus and equipment are used for these work.
Reaction controls, test series and preliminary samples are usually carried out in test tubes due to the small amounts of substance removed.
All tubes have smooth round bottoms, are fully annealed.
Bespoke sizes available subject to minimum order requirements. 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
Beijing Zhong Cheng Quartz Glass Co., Ltd(ZCQ) 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.
Company Details
Business Type:
Manufacturer,Seller
Year Established:
1998
Total Annual:
2000000-3000000
Employee Number:
200~500
Ecer Certification：
Verified Supplier
Yantai ZK Optics Co., Ltd., is founded in year 1998, it is a high-tech comprehensive glass processing enterprise integrating R&D, production and sales. The product sales have been spread all over the world, and are trusted by users in Asia, Europe, the United states, South Korea and India. It... Yantai ZK Optics Co., Ltd., is founded in year 1998, it is a high-tech comprehensive glass processing enterprise integrating R&D, production and sales. The product sales have been spread all over the world, and are trusted by users in Asia, Europe, the United states, South Korea and India. It...
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