一、产品概述
“J系列超纯石英砂”，超纯、超白、微铁、透明及粒均，可控程度高，高绝缘性、高热传导性、高热稳定性、耐酸碱性、耐磨性、低的热膨胀系数等。是高档石英板材、陶瓷、载体、硅微粉、特种玻璃、耐火材料、熔炼石英、精密铸造、工业磨料等原料。
二、产品类型
1、按纯度分类及关键指标
SiO2含量 | ≥99.4% | 99.4-99.5% | 99.5-99.6% | ≥99.7% | ≥99.8% |
目数范围 | 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、按铁含量分类及关键指标
Fe2O3含量 | ≤80ppm | ≤120ppm | ≤180ppm | ≤250ppm | ≤330ppm |
目数范围 | 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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