borosilicate colored glass tube 20120420, China borosilicate colored glass tube 20120420 Supplier,Factory

borosilicate colored glass tube 20120420

Lianyungang Inpu Quartz Co., Ltd. [China]

borosilicate colored glass tube Available colores :clear ,dark blue,light blue,amber,light yellow ,green ,pink,red and ect.

Material :artistic building material

Use: home decoration /adomment

Personality :green&healthy products

Colored borosilicate glass

Available colores :clear ,dark blue,light blue,amber,light yellow ,green ,pink,red and opaque black ,opaque white

Regularly stocked tubing size: 25*4mm

32*3.2,32*4,38*3.2 ,38*4,44*4,

Technical Data:

Physical Property
No.	Physical performance				Numerical Value	Unit
1	Coefficient of mean linear thermal expansion(20°C,300°C)				3.3±0.1	10-6K-1
2	Transformation temperature				525±15	°C
3	Softening point				820±10	°C
4	Working point				1260±20	°C
5	Density at 20°C				2.23±0.02	g/cm3
6	Mean thermal conductivity(20°C-100°C)				1.2	w/m2k
7	Refractive index				0.92	1
Main Composition
SiO2		B2O3	Na2O+K2O	Al2O3
81		13	4	2

borosilicate colored glass tube 20120420