Solar Grade Quartz Rod

I. Application

Solar grade quartz rod is applied as the base material for quartz boat in solar cell manufacturing Process.

II. Product Features

Solar grade quartz rod features high purity and low hydroxyl, etc.

III. Product Type

WQPQ191

IV. Typical Size

 OD RangeOD Tolerance Ovality Bow
OD<10.00±2.00%2.00%0.15%
10.00≤OD<20.00±1.25%1.25%0.15%
20.00≤OD<30.00±1.25%1.25%0.15%
30.00≤OD<50.00±1.25%1.25%0.15%
50.00≤OD<100.00±1.25%1.25%0.15%
100.00≤OD<160.00±1.00%1.00%0.15%

V. Physical and Chemical Properties

i. Physical Properties

ItemIndex Value
Density(g/cm32.2
Heat Conductivity(w/m·k,1000℃)2.28
Coefficient of Thermal Expansion(℃-1,1000℃)5.5×10-7
Softening Point(℃)1670
Annealing Point(℃)1210
Strain Point(℃)1110

ii. Trace Elements

Code Criteria Al Ca Cr Cu Fe K Li Mg Mn Na Ti Zr
 PQ191S Typical 16.2 1 <0.05 <0.05 0.5 1.2 0.9 0.2 <0.05 1.1 1.5 1
 Maximum 25 1.5 0.1 0.1 1 1.5 1.5 0.2 0.2 2 4 2

iii. OH Content

OH < 30PPM

iv. Optical Properties

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