Белый корунд – это белый абразив, изготовленный из порошка промышленного оксида алюминия (Al2O3) с содержанием более 98% и небольшим количеством оксида железа и оксида кремния. Это белый абразив, который плавится при высокой температуре. Его твердость немного выше, чем у коричневого корунда, а ударная вязкость немного ниже. Его производят путем плавки и охлаждения при температуре выше 2000 градусов в дуге, шлифования и формования, удаления железа с помощью магнитной сепарации и просеивания на различные виды зерен. Он имеет компактную текстуру, высокую твердость и острую форму.
|
Тестовые задания |
индикаторы |
|
Твердость по шкале Мооса |
9,0 |
|
Объемная плотность |
1,75-1,95 г/см3 |
|
Реальная плотность |
3,95 г/см3 |
|
Температура плавления |
2250 0 С |
|
Самая высокая рабочая температура |
1900 0 С |
|
Применяется для абразивной, струйной, шлифовальной обработки. |
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|
Характеристики тип |
8# 10# 12# 14# 16# 20# 22# 24# 30# 36# 40# 46# 54# 60# 70# 80# 90# 100# 120# 150# 180# 220#. |
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|
Гарантийная стоимость |
Типичное значение |
||
|
Химический состав |
И2О3 |
95,0 мин. |
95,65 |
|
SiO2 |
1,5 максимум |
1.04 |
|
|
Fe2O3 |
0,5 макс. |
0,14 |
|
|
ТиО2 |
3.0макс |
2.20 |
|
1. Используется для свободного измельчения, например, в стекольной промышленности.
2. Используется для фрикционных изделий и износостойких полов.
3. Подходит для абразивных материалов на смоле или керамической связке, таких как шлифовальный круг, отрезной шлифовальный круг и т. д.
4. Подходит для огнеупорных, износостойких и огнеупорных изделий.
5. Используется для полировки, например, точильного камня, шлифовального блока, точения пластин и т. д.
6. Используется для покрытия абразивных инструментов, таких как наждачная бумага, наждачная ткань, песчаная лента и т. д.
7. Используется для точного литья, шлифования, шлифования, полировки пресс-форм.
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