Large-caliber thick-wall quartz glass tube and preparation method thereof
A quartz glass tube, large-diameter technology, applied in glass manufacturing equipment, glass molding, manufacturing tools, etc., can solve the problems of inability to meet production needs, complex preparation process, low molding quality, etc., to prevent secondary bubbles, excellent High temperature resistance and high hardness
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[0031] The following further describes the specific technical solutions of the present invention, so that those skilled in the art can further understand the present invention, without restricting their rights.
[0032] A large-diameter thick-walled quartz glass tube, with high-purity quartz sand as the basic weight part of raw material, with high-purity quartz sand 3.1% to 4.2% by weight of trace element additives, wherein the trace element additives are prepared by the following weight Ratio of raw material composition:
[0033] Sodium chlorate NaClO 3 0.4~0.6,
[0034] Ammonium chloride NH 4 Cl 0.1~0.3,
[0035] Antimony Trioxide Sb 2 O 3 0.2~0.4,
[0036] Cerium nitrate Ce(NO 3 ) 3 ·6H 2 O 0.3~0.5.
[0037] The weight of the trace element additive accounts for 3.5% to 4.0% of the weight of the high-purity quartz sand.
[0038] Formula one of trace element additives:
[0039] Sodium chlorate NaClO 3 0.4,
[0040] Ammonium chloride NH 4 Cl 0.1,
[0041] Antimony Trioxide Sb 2 O 3 0....
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