China low price heat resistant borosilicate 3.3 clear glass tube(J-252)
Material | borosilicate glass |
Coefficient expansion | 3.3 |
Hydrolytic resistance at 98 ° C | ISO719-HGB1 |
Hydrolytic resistance at 121 ° C | ISO720-HGA1 |
Acid resistance grade | ISO1776-First class |
Transformation temperature | 525 ± 15 ° C |
Softening point | 820± 10 ° C |
Working point | 1260 ± 20 ° C |
Density at 20 ° C | 2.23 ± 0.02 g/cm ³ |
Mean thermal conductivity(20°C-100°C) | 1.2 w/m2k |
Refractive index
| 0.92 |
OD | 5-400mm | WT | 0.8-10mm |
End treated | Fine cutting, fire polished,scorched, grinding,etc. |
Surface handlng | sandblast, decal |
Usage | For labware,lighting accessories,lamp shade,smoking pipes,solar collector,tea sets,etc. |
Packaging | sizes up to 20mm | wrapped by shrinked film,then into carton |
| sizes above 20mm | wrapped by paper each piece, then into carton |
MOQ | 0.5ton |
HS CODE | 70023200 |
Customized logo | welcomed |
Customized sizes | yes |
Customized shape | round,square,flat,triangle,hexagon,etc. |
Delivery time | within 15 days after receiving deposit |
Production capacity | 50tons per day |
Sample services | sample offered for free for regular sizes |
Q1.What color can you offer?
A: clear, red, pink, purple, green, lake green, yellow, amber, light and dark blue, opaque black, transparent black , opaque white …
Q2.what size can you offer?
A: clear tube: OD 6-400mm, WT 0.8-12mm
colored tube: OD 3.5-300mm, WT 0.8-12mm
Q3.Further processing of the tube surface?
A: Sandblast and decal
Q4.Can you produce as per my own shape and size?
A: Yes,we could produce the tube as client ’ s size, we could also supply the profile tube and rod, such as plum blossom,triangle, hexagon,octangle,etc.
Q5.Could we have sample?
A:We could supply the free samples for clients, by the buyer freight
Q6.How do you ship the goods?
A: Mainly by sea (CY-CY, CY-DOOR),air freight and courier service can also be offered
Q7.What can you do for me if this is my first time to import goods from china?
A:We have 7-year experience of international sales, we can you products & related accesory to your destination
(our shipping agency over sea can help you clean the custom), …