low price heat resistant large diameter clear pyrex borosilicate 3.3 glass tubing cylinder quartz glass tube 100mm for blowing
low price heat resistant large diameter clear pyrex borosilicate 3.3 glass tubing cylinder quartz glass tube 100mm for blowing
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Material |
COE 3.3 borosilicate glass |
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Main Composition |
SiO2 |
80±0.5% |
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B2O3 |
2.4±0.2% |
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Na2O+K2O |
4.3±0.2% |
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Chemical and Physical property |
Coefficient of thermal expansion(20°C/300°C) |
3.3±0.1(10–6K–1) |
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Softening point |
820±10°C |
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Melting point |
1260±20°C |
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heat resistance temperature |
525±15°C |
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Hydrolytic resistance at 98°C |
ISO719-HGB1 |
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Hydrolytic resistance at 121°C |
ISO720-HGA1 |
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Density at 20°C |
2.23g/cm3 |
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Acid resistance |
ISO1776-1 |
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Alkali resistance |
ISO695-A2 |
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Why Choose US
2) OEM &ODM service: as your sample or design drawing.
3) Existing sample is free of charge.
4) Reasonable Price, Excellent Quality & Attentive Service.
5) Any broken bottles during transportation, compensation for next order.
6) Instantly reply: answering your inquiry and email within 12 hours.
7) Delivery: about 20-25 days after receiving the deposit.
8) We have passed the ISO9001 and ISO14001 and other tests.
9) We offer not only excellent products but service and market solutions.
10) Even thick bottom, the color is also very pure.
Q: Are you a manufacturing or trading company?
A: We are a glass manufacturing company.
Q: Can you do customized design and size samples?
A: Yes, we could do customized sample based on your design.
Q: How to receive a price quotation in the shortest time?
A: When you send us an enquiry, please kindly make sure all the details such as size, product capacity, logo requirements and order quantity. If you have the drawing, please feel free to send us.
Q: Can I have some samples before mass production?A: Sure. In order to make sure the best quality and meet your requirement, we will make final samples for your approval.
Q: How long is your sample lead time and production lead time?
A: Customized samples: 5-7 days after artwork confirmed. Production lead time: 20-30 days after samples confirmed.
Q: What’s your payment term?
A: For sample order, we prefer 100% payment before production. For mass production order, 30% deposit and 70% balance before delivery.
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