::::::Sino Surplus International Limited::::::

Clear Silica Tube

Product Serial No.
SS/ST/CT

1.Application

Semiconductor industry, lighting, quartz iodine lamp tube, UV etc.

2.Common difference of size:

1) Wall-deviation:not more than 20% of the wall thickness for tube of Dia.4---Dia.26mm

2) Elliptically:
not more than 2%--2.5% A.Q.L.

3.Chemical Components

element

ppm

2.3

1.0

2.0

0.9

4.5

1.0

2.6

0.07

0.1

0.9

0.1

0.02

<10

4.Physical Properties

Specific Gravity (/cm;)	2.2
Compresson Strength (kg/cm²)	20x10;
Tensile Strength (kg/cm;)	70
Flexuosity (%)	±0.2
Coefficient of expansion due to heat (°C)	0.5x10/°C
Softing Point (°C)	1730
Mohs Hardness	6.7
Corrosion Resistance	Avoid any acids except HF acid.
Thermal Stability(GB 10701-89)	Crackles or gaps (not for cut off surface) shouldn't appear in the sample when suddenly cooling from 900±20°Cto 0°C
Optical color variation(GB4121-83)	Testing the optical variation value of the sample in high temperature furnace of constant 1000±20°C, or cooling to house temperature.

5.Diaphaneity Table

Wave Length(nm)	Diaphaneity(%)	Thickness(mm)
230	81.5	83.2
240	82.2	83.8
250	84.0	85.3
260	86.9	87.7
270	88.3	88.9
280	89.2	89.7
290	90.1	90.4
300	90.7	90.9
310	90.0	90.3
320	91.5	91.6
330	91.5	91.6
340	91.2	91.3
400	92.5	92.4
500	94.0	93.7
550	94.5	94.1
600	95.1	94.6
650	95.1	94.6
700	95.0	94.5
750	94.9	94.4
800	94.5	94.1
850	94.3	93.9
900	93.2	93.0

Clear Silica Tube Specifications( A Part of Only)

Item No.	Re-Order No.(Specifications)	I. D. (mm)	O. D. (mm)	Wall Thickness (mm)	Max. Siding (mm)	Max. Ovality (mm)
1	2x3	2.0±0.15	3.0±0.15	0.5±0.06	0.05	0.06
2	2.4x4.5	2.4±0.15	4.5+0.15	1.05+0.08	0.05	0.06
3	3x5	3.0±0.15	5.0+0.15	1.0+0.1	0.10	0.10
4	4x6	4.0±0.20	6.0+0.20	1.0+0.1	0.10	0.10
5	5x7	5.0±0.20	7.0+0.20	1.0+0.1	0.10	0.10
6	6x8	6.0±0.20	8.0+0.20	1.0+0.1	0.10	0.10
7	7x9	7.0±0.20	9.0+0.20	1.0+0.1	0.10	0.10
8	8x10	8.0±0.20	10.0+0.20	1.0+0.1	0.10	0.10
9	9x11	9.0±0.20	11.0+0.20	1.0+0.1	0.10	0.10
10	10x12	10.0±0.20	12.0+0.20	1.0+0.1	0.10	0.10
11	11x13	11.0±0.20	13.0+0.25	1.0+0.1	0.10	0.10
12	12x14	12.0±0.20	14.0+0.25	1.0+0.1	0.10	0.10
13	12x15	12.0±0.20	15.0+0.25	1.5+0.2	0.10	0.15
14	12x16	12.0±0.20	16.0+0.25	2.0+0.25	0.10	0.15
15	13x15	13.0±0.25	15.0+0.30	1.0+0.20	0.10	0.15
16	14x16	14.0±0.25	16.0+0.30	1.0+0.20	0.10	0.15
17	15x18	15.0±0.30	18.0+0.30	1.5+0.25	0.15	0.2
18	16x18	16.0±0.30	18.0+0.30	1.0+0.20	0.15	0.2
19	16x20	16.0±0.30	20.0+0.40	2.0+0.25	0.15	0.2
20	17x20	17.0±0.30	20.0+0.40	1.5+0.25	0.15	0.2
21	18x20	18.0±0.30	20.0+0.40	1.0+0.20	0.15	0.2
22	20x23	20.0±0.30	23.0+0.40	1.5+0.25	0.15	0.2
23	21x25	21.0±0.40	25.0+0.50	2.0+0.25	0.2	0.3
24	22x25	22.0±0.40	25.0+0.50	1.5+0.20	0.2	0.3
25	22x26	22.0±0.40	26.0+0.50	2.0+0.25	0.2	0.3
26	23x27	23.0±0.40	27.0+0.50	1.5+0.20	0.2	0.3
27	24x28	24.0±0.50	28.0+0.50	2.0+0.20	0.2	0.3
28	25x28	25.0±0.50	28.0+0.50	1.5+0.20	0.2	0.3
29	26x28	26.0±0.50	28.0+0.50	1.0+0.20	0.2	0.3
30	26x30	26.0±0.50	30.0+0.60	2.0+0.20	0.2	0.4
31	27x33	27.0±0.50	33.0+0.60	3.0+0.25	0.2	0.4
32	28x32	28.0±0.50	32.0+0.60	2.0+0.20	0.2	0.4
33	30x34	30.0±0.60	34.0+0.80	2.0+0.20	0.2	0.4
34	34x38	34.0±0.70	38.0+0.80	2.0+0.20	0.2	0.4
35	35x40	35.0±0.70	40.0+1.0	2.5+0.25	0.2	0.5
36	40x45	40.0±0.80	15.0+1.0	2.5+0.25	0.2	0.5
37	45x50	45.0±0.80	50.0+1.0	2.5+0.25	0.2	0.5

Note

1. The Outside Diameter(O.D.) range shall be as from 1.5 to 110 mm, the Inner Diameter(I.D.)shall be as from 0.5 to 100 mm.
2. The Wall thickness shall be as from 0.5 to 10mm. The Length shall be Max. 3000 mm, and the its max. Tolerance shall be as 2mm/1000mm.
3. The other sizes and various tolerances available on request.

|| Translucent Tube ||