Guaranteed Quality hot sale borosilicate clear glass rod
Sample is Free. The courier fee is at customer's expense.
Material: COE 3.3 borosilicate glass
|
Main Composition |
|||
|
SiO2 |
B2O3 |
Al2O3 |
Na2O+K2O |
|
80±0.5% |
13±0.2% |
2.4±0.2% |
4.3±0.2% |
Chemical and Physical property:
|
Coefficient of mean linear thermal expansion (20°C/300°C) |
Softening point |
Melting point |
Transformation temperature: |
Hydrolytic resistance at 98°C |
Hydrolytic resistance at 121°C |
Acid resistance class |
Alkali resistance class |
Applications |
|
3.3±0.1 (10-6K-1) |
820±10°C |
1260±20°C |
525±15°C |
ISO719-HGB1 |
ISO720-HGA1 |
ISO1776-1 |
ISO695-A2 |
Superior heat- resisting products and crafts |
Advantage:
Low COE 3.3 and lead free
High transparency
High temperature resistance
1.Q:Are you factory or trading company ?
A:We are factory in Huailai Couty, Hebei Province and we are capcity of exporting our products for 10 years.
2.Q:Can I visit your factory please ?How can I visit there ?
A:We are very glad to invite you to visit our factory. It takesabout 2hours from Beijing Capital International Airport to our factory.
3.Q:What is the main products of your company?
A:We mainly produce:borosilicate galss tubing ,borosilicate gass rod ,and borosilicate glassware.
4.Q:How can I get some samples?
A:We are honored to offer you samples ,length about 20cm is free .The courier is at costomer's expense.
5.Q:How does your factory do regarding quality control ?
A:Quality first is our motto ,Workers always attach great importance to quality controlling from the very beginning to the very end .
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