100% Hand Blown Lead-free Crystal Glass Double Wall Cup Coffee Cup Borosilicate Coffee Cup Saucer
Product Description
100% Hand Blown Lead-free Crystal Glass Double Wall Cup Coffee Cup Borosilicate Coffee Cup Saucer
Physical and Chemical Properties
| 1, Coefficient of mean linear themal expansion(20°C/300°C) | 3.3±0.1(10–6K–1) |
| 2, Softening point | 820±10°C |
| 3, Melting point | 1260±20°C |
| 4, Transformation temperature | 525±15°C |
| 5, Hydrolytic resistance at 98°C | ISO719-HGB1 |
| 6, Hydrolytic resistance at 121°C | ISO720-HGA1 |
| 7, Acid resistance class | ISO1776-1 |
| 8, Alkali resistance class | ISO695-A2 |
1.Q:Are you factory or trading company ?
A:We are a factory, not a trading company.
2.Q:Where is your factory and trading office located ?How can I visit there ?
A:Our factory is located in Huailai county,Hebei Province,China,about 2hours from Beijing Capital International Airport.
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 .Customers should pay for the shipping freight.
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 .
Product Categories : Borosilicate Glass Cup > Double wall glass cup
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