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Aluminum Melting and Holding
Five kinds of lining materials for aluminum/zinc melting:
ALU-RAM ® 950 is a corundum-based material specially designed for melting various aluminum alloys. It has excellent non-wetting and anti-slag properties;
ALU-RAM ® 750 is an aluminum-silicon based material that provides better cost performance and can also be used for the melting of high temperature aluminum-silicon alloys;
ALU-RAM ® 951 is a corundum spinel-based material designed for the melting of high temperature aluminum alloys and aluminum-copper alloys;
ALU-RAM ® 650 is a mullite based material designed for the melting of zinc alloys.
SIL-RAM ® 121ZN is a fused silica-based material with excellent volume stability and is mainly used for melting and holding zinc alloys.
| No. | Utilized Location | Product Name | Product Manual |
Al₂O₃ % |
SiO₂ % |
Cr₂O₃ % |
CaO % |
B.D. g/cm³ |
Max.
Temp℃
|
| 1 | Furnace cover | ULTRA-CAST 200 | Aluminum silicon based castable | 45.0 | 50.0 | 2.0 | 2.30 | 1650 | |
| 2 | Furnace mouth | ALU-PAK® 55 | Aluminum silicon based plastic | 61.0 | 32.0 | 2.55 | 1680 | ||
| ALU-PAK® 67 | Aluminum silicon based plastic | 68.0 | 26.0 | 2.65 | 1700 | ||||
| 3 |
Furnace ring And structural parts |
ULTRA-FLO 85 | Alumina based low cement castable | 84.0 | 12.0 | 2.0 | 2.85 | 1800 | |
| ULTRA-FLO 61 | Malayan low cement castable | 63.0 | 30.0 | 1.5 | 2.50 | 1700 | |||
| 4 | Coil slurry | COIL CRETE 390 | White alumina based sizing paste | 85.0 | 6.0 | 5.0 | 2.60 | 1760 | |
| COIL CRETE 590 | Red alumina based sizing paste | 91.0 | 2.0 | 5.0 | 2.80 | 1760 | |||
| 5 | Furnace lining repair material | ALU-SEAL 68 | Aluminum silicon plastic mud | 68.0 | 26.0 | 2.65 | 1650 | ||
| ALU-PAK® 73CR | Alumina chromium-containing plastic material | 75.0 | 9.0 | 4.0 | 2.85 | 1750 | |||
| 6 | Working lining | ALU-RAM 750 | Alumina based dry vibrating material | 78.0 | 8.0 | 2.65 | 1000 | ||
| ALU-RAM 950 | Corundum based dry vibrating material | 92.0 | 4.5 | 3.05 | 1500 | ||||
| ALU-RAM 951 | Corundum spinel based dry vibrating material | 92.8 | 0.2 | 4.5（MgO） | 3.06 | 1600 | |||
| SIL-RAM 121ZN | Fused silica based dry vibrating material | 0.0 | 98 | 1.95 | 1200 | ||||
| ALU-RAM 650 | Mullite-based dry vibrating material | 68.0 | 28.0 | 2.45 | 1000 | ||||
| 7 | Bottom of the furnace | ULTRA-FLO 85 | Alumina based low cement castable | 84.00 | 12.00 | 2.0 | 2.85 | 1800 | |
| 8 | Backing sliding material | SFR-MICA | 0.3 mm thick mica paper | 900 |