การหล่อทรายโครเมียม คุณสมบัติทางเคมีและกายภาพ
| เคมี | ดัชนี | ทางกายภาพ | ดัชนี |
| Cr2O3 | ≥46.0% | ความหนาแน่นจำนวนมาก | 2.5-3g / cm3 |
| SiO2 | ≤1.0% | ค่าพีเอช | 7.9 |
| Fe2O3 | ≤26.5% | Cr/เฟ | 1.55:1 |
| CaO | ≤0.30% | เติมความหนาแน่น | 2.6 ก./ซม.3 |
| MgO | ≤10% | เปอร์เซ็นต์ความชื้น | ≤0.1 |
| AI2O3 | ≤15.5% | เผา | 1600°C |
| พี | ≤0.003% | อุณหภูมิการเผาผนึก | 2180°C |
| ค | ≤0.003% | จุดหลอมเหลว | ＞1800°C |
หล่อทรายโครเมี่ยมขนาดที่มีจำหน่าย:
- AFS 25-35 AFS25-30 AFS30-35 AFS35-40 AFS40-45 AFS40-50 AFS45-55 AFS45-50 AFS50-55 AFS55-60 AFS60-65
- 0-1mm 200mesh 300mesh 400mesh
การ ประยุกต์ใช้ทรายโครเมียมITE
- ทรายโครไมต์ในอุตสาหกรรมโรงหล่อ
คุณสมบัติของวัสดุนี้ทำให้สามารถใช้วัสดุในโรงหล่อเหล็กและเหล็กกล้าสีเทาที่มีงานสูงเป็นทรายสำหรับทำแกนและแม่พิมพ์ การนำความร้อนสูงทำให้มีคุณสมบัติการแช่เย็นที่ดี การขยายตัวทางความร้อนต่ำทำให้มีเสถียรภาพในมิติที่ดี ความเป็นพื้นฐานใกล้เคียงกับความเป็นกลางช่วยให้สามารถใช้ระบบการยึดติดเรซินและสารยึดเกาะอนินทรีย์ได้หลากหลาย โดยมีการหักเหของแสงสูงและการกระจายตะแกรงกว้าง
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ในการผลิตเหล็ก Chromite Sand ใช้เป็นสารตัวเติมเพื่อป้องกันประตูบานเลื่อนในทัพพีจับเหล็กขนาดใหญ่ - Chromite Sand ในอุตสาหกรรมแก้ว
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