اكسيد الالمونيوم الأبيض عبارة عن مادة كاشطة بيضاء مصنوعة من مسحوق الألومينا الصناعي (Al2O3) بمحتوى يزيد عن 98٪ وكمية صغيرة من أكسيد الحديد وأكسيد السيليكون. وهي مادة كاشطة بيضاء تذوب عند درجة حرارة عالية. صلابته أعلى قليلاً من اكسيد الالمونيوم البني وصلابته أقل قليلاً. يتم تصنيعه عن طريق الصهر والتبريد فوق 2000 درجة في القوس، والطحن والتشكيل، وإزالة الحديد عن طريق الفصل المغناطيسي، والغربلة إلى أنواع كثيرة من الحبيبات. إنه مدمج في الملمس، عالي الصلابة وحاد الشكل.
|
عناصر الاختبار |
المؤشرات |
|
صلابة موس |
9.0 |
|
الكثافة الظاهرية |
1.75-1.95g/cm3 |
|
كثافة حقيقية |
3.95g/cm3 |
|
نقطة الانصهار |
2250 0 ج |
|
أعلى درجة حرارة التشغيل |
1900 0 ج |
|
تستخدم في المواد الكاشطة والتفجير والطحن. |
|||
|
ملكيات يكتب |
8#10#12# 14#16#20#22#24# 30#36#40#46#54#60#70#80#90#100#120#150#180#220#. |
||
|
قيمة الضمان |
القيمة النموذجية |
||
|
التركيب الكيميائي |
AI2O3 |
95.0 دقيقة |
95.65 |
|
SiO2 |
1.5 كحد أقصى |
1.04 |
|
|
Fe2O3 |
0.5 كحد أقصى |
0.14 |
|
|
TiO2 |
3.0 ماكس |
2.20 |
|
1. يستخدم للطحن الحر، مثل صناعة الزجاج.
2. يستخدم لمنتجات الاحتكاك والأرضيات المقاومة للتآكل.
3. مناسبة للمواد الكاشطة المصنوعة من الراتنج أو السيراميك، مثل عجلة الطحن، وقطع عجلة الطحن، وما إلى ذلك
4. مناسبة للمنتجات المقاومة للحرارة والتآكل والمنتجات المقاومة للحرارة.
5. يستخدم للتلميع، مثل حجر الطحن، كتلة الطحن، تحول اللوحة، إلخ.
6. يستخدم لطلاء الأدوات الكاشطة، مثل ورق الصنفرة، وقماش الصنفرة، وحزام الرمل، وما إلى ذلك.
7. تستخدم في الصب الدقيق والطحن والطحن وإنتاج قوالب التلميع.
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