0416-5172063
| 2.Gas refining quartz glass tube | |
| The Company's production of the semiconductor industry with a
transparent quartz glass tube and rod in the metallurgical,
chemical, atomic energy industry, scientific research in areas such
as high purity requirements, high-temperature, high chemical
stability operations occasions widely used. Production process is
divided into four categories according to the product. a. pressure vacuum tube and rod method; b. fused two-step tube and rod c. gas refining, and fused two-step control rod; d. gas refinery and the law governing bar. By the appearance of the indicators (standards of the | |
| Department JC/T597-1995) into excellent products (A level),
first-class products (B) and qualified products (C-class) three
levels. Chemical purity: Al, Fe, Ca, Mg, Ti, Cu, Co, Ni, Mn, K, Na, Li, B, and other elements of impurities, the total content of not more than 50PPm, of which: Fe3PPm, Cu0.8PPm, Na2PPm , K2PPm, Li2PPm, B0.3PPm-content: Law fused5PPm, gas refining method400PPm, gas refining, two-step fused220PPm. | |
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