Зерно черного карбида кремния — чрезвычайно твердая и 99%-ная карборундовая крошка SiC. Как абразивный материал, он может хорошо работать при абразивной струйной обработке, обработке поверхности, шлифовке твердых материалов, таких как мрамор, стекло, нефрит и т. д. Карбид кремния производится в процессе, включающем электрохимическую реакцию кремнезема (SiO2) — в форме кварца, смешанного с углеродом (C) в форме сырого нефтяного кокса.
Характеристика продукта
1. Хорошая стойкость к окислению и химическая стабильность при высоких температурах.
2. Высокая твердость по шкале Мооса 9,2-9,3. Даже при 2000 ℃ он все еще обладает высокой прочностью.
3.Отличная прочность.
4.Низкая теплопроводность. Поэтому он может быть устойчив к тепловому удару.
5. Высокая чистота, минимальное содержание SiC составляет 98,5%.
6.Высокая насыпная плотность.
7.Черная карбид кремния перед измельчением промывается водой, поэтому в ней мало примесей.
| ТИПИЧНЫЙ ХИМИЧЕСКИЙ АНАЛИЗ | ТИПИЧНЫЕ ФИЗИЧЕСКИЕ СВОЙСТВА | ||
| SiC | ≥98% | Твёрдость: | Моос:9.15 |
| SiO2 | ≤1% | Температура плавления: | Возгоняется при 2250 ℃ |
| Н2О3 | ≤0,5% | Максимальная рабочая температура: | 1900℃ |
| Fe2O3 | ≤0,3% | Удельный вес: | 3,2-3,45 г/см3 |
| ФК | ≤0,3% | Насыпная плотность (LPD): | 1,2-1,6 г/см3 |
| Магнитное содержимое | ≤0,02% | Цвет: | Черный |
| Форма частиц: | Шестиугольный | ||
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