TANIM:
Kromit Kumu, esas olarak krom ve demir oksitlerinden oluşan doğal olarak oluşan bir spineldir. Ferrokrom üretiminin bir yan ürünüdür ve esas olarak dökümhane uygulamalarında ve cam üretiminde kullanılır.
TİPİK KİMYASAL ANALİZ [%] :
| Cr2O3 | SiO2 | FeO | Yüksek | MgO | Al2O3 | P | S | Krom/Fe |
| ≥46.0 | ≤1,0% | 26.2 | 0,3 | 9.8 | 15.5 | 0,003 | 0,003 | 1.6 : 1 |
FİZİKSEL ÖZELLİKLER
| KANUN | su | Toz | Erime noktası | PH Değeri |
| ≤0,5% | ≤0,2% | <0,5% | 2150℃ | 7-9 |
ANA UYGULAMALAR:
Döküm endüstrisinde kromit kumu
Özellikleri, malzemenin yüksek hizmet tipi gri demir ve çelik dökümhanelerinde çekirdek ve kalıp olarak kullanılmasını mümkün kılar.
kum yapmak. Yüksek termal iletkenliği ona iyi soğutma özellikleri kazandırır, düşük termal genleşme iyi boyutsal kararlılığa yol açar. Bazikliğinin nötre yakın olması geniş bir reçine yelpazesinin kullanımına olanak tanır
Bağlayıcı sistemler ve inorganik bağlayıcılar ile yüksek refrakterliğe ve geniş elek dağılımına sahiptir.
Çelik endüstrisinde kromit kumu
Çelik üretiminde Kromit Kumu, büyük çelik tutma kepçelerinde sürgülü kapakların korunmasında dolgu maddesi olarak da kullanılır.
Cam endüstrisinde kromit kumu
Kromit Kumu ince un haline getirildiğinde yeşil cam içecek kaplarının üretiminde kullanılır.
MEVCUT ÜRETİM BOYUTLARI
AFS15-25 AFS25-30 AFS30-35 AFS35-40 AFS40-45 AFS45-50 AFS45-55 AFS50-55 AFS55-60 AFS60-70 200 MESH 325 MESH 400 MESH
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