Good quality colored borosilicate glass rod for lampwork

Good quality colored clear borosilicate glass rod price glass stirring rod
Colored borosilicate glass rodRegular specification of glass rod : 4mm-42mmCustomized specification of glass rod : 3.5mm-46mm(MOQ:5tons)Regular length:1200mm Max length:2500mmColors:38 colors
Features:
1.High Borosilicate glass 3.3
2.lead free,heat resistant
3.Dia:5-300mm Thick:0.8-10mm
4.Color: clear, 22 colors avaliable
5.Used in the fields of household utensils, building decoration, medicine, chemicals and glass crafts
Material Date Sheet
Main composition
SiO2
B2O3
Al2O3
Na2O+K2O
80±0.5%
13±0.2%
2.4±0.2%
4.3±0.2%
Physical and chemical properties
Coefficient of mean linear themal3.3±0.1(10–6K–1)
Softening point
820±10°C
Melting point
1260±20°C
Transformation temperature
525±15°C
Hydrolytic resistance at 98°C
ISO719-HGB1
Hydrolytic resistance at 121°C
ISO720-HGA1
Acid resistance class
ISO1776-1
Alkali resistance class
ISO695-A2
FAQ
FAQ: borosilicate glass rod
1. Q: Are you factory or trading company?
A: We are a factory; we have a trading office in Beijing.
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. Our trading office is located in Hongjunying South Rd, Chaoyang District, Beijing 100107, China. about half an hour from Beijing Capital International Airport.
3. Q: What is the main product of your company?
A: We mainly produce: borosilicate glass tubing, borosilicate glass 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 .