Product Details

Hot Sale borosilicate capillary glass tube

Product Description

Features of Hollow Glass Tube as follow:

1. Outside diameter: from 3mm to 315mm.
2. Wall thickness: from 1.0mm to 10mm.
3. Length: from 5mm to 2200mm. Normal length: 1000mm-1800mm.
4. Color: Clear or other colors
5. The high borosilicate 3.3 glass tube is used forlab equipment, optical, medical, daily glassware, solar energy, test tube, etc.
6. We can supply special dimensions according to request.
7. Payment terms: L/C, D/A, D/P, T/T, Western Union, MoneyGram.
8. Physical data of COE 3.3 borosilicate glass

Hot Sale borosilicate capillary glass tube

Color: clear tube

Material: 3.3 borosilicate glass tube

Outer diameter: from 8 to 400mm

Wall thickness: from 0.8 to 12mm

Standard length: 1500 or 2000mm

Hot Sale borosilicate capillary glass tube

No.	Physics Performance	Numerical Value	Unit
1	Medium coefficient of linear expansion α_20/300acc.To DIN 52328	3.3 ± 0.1	10^-6K^-1
2	Transformation Temperature	525 ± 15	degree Celsius
3	Upper annealing temperature	560 ± 10	degree Celsius
4	Softening point	820 ± 10	degree Celsius
5	Working temperature	1260 ± 20	degree Celsius
6	Maximum short-time working temperature	500	degree Celsius
7	20 degree Celsius Density ρ	2.23 ± 0.02	g/cm³
8	Modulus of elasticity E	64	10
9	Poisson’s ratioμ	0.20	1
10	Thermal conductivityλw(20 degree Celsius -100 degree Celsius )	1.2	W/m²K
11	Temperature for the specific electrical resistance of 10⁸Ω·cm(DIN52326)t_{k 100}	250	degree Celsius
12	Stress-optical constant(DIN52314)K	4.0	10^-6mm²/N