Clear quartz rod,Quartz Tube,Quartz Rod,Quartz Plate,Quartz Glass,Quartz Crystals66

Clear Fused quartz rod

Size : diameter 2mm-40mm
Technical data :
Silica rods are made of high purity quartz sand and crystal flour from local area or imported from Unimin of USA. It was produced with high temperature melting furnace and the advanced technology and equipment in the world. The outer surface and inner quality of our products can meet international advanced standard. The surface is smooth and clear. The properties of the rods are: High purity(Domestic material SiO2>99.8%, Imported material SiO2>99.98%); Abrasion resistance(any acid except HF acid ); Fire resistance(softening point 1650 centigrade); Low coefficient of thermal expansion(5.5x10-7/centigrade), excellent electrical property. It is widely used in the fields of electronics, semiconduct and optical fiber etc.

Dimensional Tolerance

Size	The Tolerance	Ellipse Rate
2.0~3.0	+/-0.1	0.10
4.0~5.0	+/-0.15	0.15
8.0~15	+/-0.2	0. 20
15~18	+/-0.25	0.30
18~19	+/-0.3	0.30
19~25	+/-0.4	0.30
25~30	+/-0.5	0.30
30~35	+/-0.5	0.30
35~40	+/-0.5	0.30

Chemical Composition unit : ppm

Cr	Ge	Fe	Mg	Ti	Ca	Al	Na	Li	K
0.1	0.4	1.5	0.4	0.1	0.8	16	2.3	0.5	2.0

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