Product Introduction
Shandong Luming New Materials Technology Co., Ltd. specializes in premium Alumina-Silica Ramming Mass, a versatile refractory solution combining high alumina content (Al₂O₃ 45-75%) with superior thermal stability. Developed through our patented sintering technology, this material delivers exceptional performance in temperatures up to 1600℃, making it ideal for furnace linings across metallurgical and petrochemical industries.
Key Features
1. Customizable Composition: Adjustable Al₂O₃/SiO₂ ratio (45/50 to 75/20) for specific thermal needs
2. Thermal Shock Resistance: Withstands 1100℃ water quenching ≥25 cycles without cracking
3. Corrosion Protection: Resists acid slag and alkali erosion in harsh environments
4. High Mechanical Strength: Cold crushing strength ≥50MPa ensures structural integrity
5. Easy Workability: Optimal plasticity (water content 6-8%) for seamless installation
Customer-Centric Solutions
- Packaging & Logistics:
• 1-ton bulk bags with inner moisture barrier + palletized options
- Quality Assurance:
• XRF chemical analysis and physical testing for every batch
• Certified to ASTM C862 and GB/T 2994 standards
- Production Excellence:
• Computer-controlled batching of calcined bauxite and quartzite
• Triple-stage mixing process ensures homogeneity
Technical Specifications
| Parameter |
AS-50 |
AS-65 |
AS-75 |
| Al₂O₃ Content (%) |
45-50 |
60-65 |
70-75 |
| SiO₂ Content (%) |
45-50 |
30-35 |
18-22 |
| Bulk Density (g/cm³) |
2.3-2.5 |
2.5-2.7 |
2.7-2.9 |
| CCS (MPa) |
≥50 |
≥65 |
≥80 |
| Thermal Conductivity (W/m·K) |
1.2 |
1.5 |
1.8 |
Applications
- Foundries: Induction furnace linings, ladle backup layers
- Petrochemical: Cracking furnace hearths, reformer chambers
- Ceramics: Kiln car bottoms, saggar supports
- Heat Treatment: Annealing furnace floors
Why Choose Luming?
1. Innovation Leadership: 37 patents including graded refractory technology
2. Quality Certifications: ISO 9001, ISO 14001, and OHSAS 18001 certified
3. Technical Support:
- Pre-sales material selection software
- On-site installation supervision available
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