المواد الكاشطة اكسيد الالمونيوم الكروم الوردي
يتم دمج اكسيد الالمونيوم الكروم الوردي كهربائيا في درجة حرارة عالية، ويتم إضافته مع الكمية المناسبة من الكروم المؤكسد. فمن الوردي. صلابته قريبة، ولكن صلابته أعلى من WA. تتميز الأدوات الكاشطة المصنوعة منها بمتانة ممتازة ونظافة معالجة عالية، وهي مناسبة للطحن الدقيق لرسوم القياس، والأعمدة الرئيسية للمخرطة، والأدوات وأجزاء الأجهزة، وقطع العمل الملولبة وأخذ العينات، وما إلى ذلك.
التركيب الكيميائي
|
نطاق حجم الحصى |
انخفاض الكروم |
الكروم المتوسط |
نسبة عالية من الكروم |
||||||
|
Al2O3 |
Cr2O3 |
Na2O |
Al2O3 |
Cr2O3 |
Na2O |
Al2O3 |
Cr2O3 |
Na2O |
|
|
F12-F80 |
≥98.50 |
0.20-0.45 |
.50.50 |
≥98.20 |
>0.45-1.00 |
.50.55 |
≥97.40 |
> 1.00-2.00 |
.50.55 |
|
F90-F150 |
≥98.50 |
.50.55 |
≥98.20 |
.60.60 |
≥97.00 |
.60.60 |
|||
|
F180-F220 |
≥98.00 |
.60.60 |
≥97.80 |
.70.70 |
≥96.50 |
.70.70 |
|||
خاصية فيزيائية
|
المعادن الأساسية |
حجم الكريستال |
الكثافة الحقيقية |
الكثافة الظاهرية |
صلابة الزر |
|
α-AL2O3 |
600-2000 |
≥3.90 |
1.40-1.95 |
2200-2300 |
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