一、產品概述
“J系列超純石英砂”，超純、超白、微鐵、透明及粒均，可控程度高，高絕緣性、高熱傳導性、高熱穩定性、耐酸堿性、耐磨性、低的熱膨脹系數等。是高檔石英板材、陶瓷、載體、硅微粉、特種玻璃、耐火材料、熔煉石英、精密鑄造、工業磨料等原料。
二、產品類型
1、按純度分類及關鍵指標
SiO2含量 | ≥99.4% | 99.4-99.5% | 99.5-99.6% | ≥99.7% | ≥99.8% |
目數范圍 | 2~120 | 2~120 | 2~120 | 2~120 | 2~120 |
Fe2O3含量 | ≤330ppm | ≤250ppm | ≤180ppm | ≤150ppm | ≤100ppm |
Al2O3含量 | ≤0.06% | ≤0.06% | ≤0.06% | ≤0.06% | ≤0.06% |
TiO2含量 | ≤10ppm | ≤10ppm | ≤10ppm | ≤10ppm | ≤10ppm |
MgO含量 | ≤10ppm | ≤10ppm | ≤10ppm | ≤10ppm | ≤10ppm |
白度 | 90-92 | 92-94 | 94-96 | 94-96 | ≥96 |
2、按鐵含量分類及關鍵指標
Fe2O3含量 | ≤80ppm | ≤120ppm | ≤180ppm | ≤250ppm | ≤330ppm |
目數范圍 | 2~120 | 2~120 | 2~120 | 2~120 | 2~120 |
SiO2含量 | ≥99.8% | ≥99.7% | ≥99.6% | ≥99.5% | ≥99.4% |
Al2O3含量 | ≤0.06% | ≤0.06% | ≤0.06% | ≤0.06% | ≤0.06% |
TiO2含量 | ≤10ppm | ≤10ppm | ≤10ppm | ≤10ppm | ≤10ppm |
MgO含量 | ≤10ppm | ≤10ppm | ≤10ppm | ≤10ppm | ≤10ppm |
白度 | ≥96 | 94-96 | 94-96 | 94-96 | 94-96 |
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