مسحوق الكروميت 800mesh D50 3-5UM مسحوق ناعم لصناعة الزجاج
رمل الكروميت هو سبينل طبيعي يتكون في المقام الأول من أكاسيد الكروم والحديد. وهو منتج ثانوي لإنتاج الفيررو كروم ويستخدم بشكل أساسي في تطبيقات الصب وفي إنتاج الزجاج.
الأصل: جنوب أفريقيا
- الخصائص الكيميائية والفيزيائية
| Cr2O3 | ≥46.0% |
| ثاني أكسيد السيليكون 2 | ≤1.0% |
| الحديدO | ≤26.5% |
| عالي | ≤0.30% |
| أكسيد الماغنيسيوم | ≤10.0% |
| Al2O3 | ≤15.5% |
| ص | ≤0.003% |
| س | ≤0.003% |
| الكروم/الحديد | 1.55:1 |
| الكثافة الظاهرية | 2.5-3 جرام/سم 3 |
| لون | أسود |
| الرقم الهيدروجيني | 7-9 |
| كمية الحمض | ≤ 2 مل |
| نسبة التربة | ≤0.1 |
| نسبة الرطوبة | ≤0.1 |
| المتكلس | 1600 درجة مئوية |
| نسبة الأحماض الحرة الموجودة في الرمال | 0 |
| كثافة الحشو | 2.6 جرام/سم 3 |
| نقطة التلبيد | > 1800 درجة مئوية |
| درجة حرارة الانصهار | 2,180 درجة مئوية |
المقاسات المتوفرة: 0-1 مم، 1-3 مم، AFS 25-35، AFS25-30، AFS30-35، AFS35-40، AFS40-45، AFS40-50، AFS45-55
AFS45-50 AFS50-55 AFS55-60 AFS60-65 200 شبكة 325 شبكة 400 شبكة وما إلى ذلك
التطبيقات الرئيسية:
رمل الكروميت في صناعة الصب
تسمح خصائصه باستخدام المادة في مصانع الحديد الرمادي والصلب عالية التحمل كرمل لصنع القوالب والقلب . تمنحه الموصلية الحرارية العالية خصائص تبريد جيدة، ويؤدي التمدد الحراري المنخفض إلى ثبات أبعادي جيد. تسمح قاعدته القريبة من الحياد باستخدام مجموعة واسعة من أنظمة ربط الراتينج والمواد الرابطة غير العضوية، وله قدرة عالية على مقاومة الحرارة وتوزيع غربال واسع.
رمل الكروميت في صناعة الصلب
في إنتاج الصلب، يتم استخدام رمل الكروميت أيضًا كمادة مالئة لحماية البوابة المنزلقة في مغارف الصلب الكبيرة.
رمل الكروميت في صناعة الزجاج
عندما يتم طحن رمل الكروميت إلى دقيق ناعم، يتم استخدامه في إنتاج حاويات المشروبات الزجاجية الخضراء.
التعبئة والتغليف: كيس كبير 1 متر
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