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Brand Name : Rongsheng Xinwei
Model Number : Rongsheng
Certification : ISO9001
Place of Origin : Zhengzhou, China
MOQ : 1 Ton
Price : 200-800USD
Payment Terms : TT; L/C
Supply Ability : 2000 tons/month
Delivery Time : 20-30 Days
Packaging Details : Packed on wooden pallets, with water-proof cover, and tightened with plastic/steel bandages
Item | Index | |||
Clay | High Alumina | Corundum | ||
Al2O3 % | ≥45 | ≥75 | ≥98 | |
CaO % | <1.8 | <1.5 | <1.0 | |
Bulk density g/cm3 | 110℃×24h | ≥2.3 | ≥2.6 | ≥3.1 |
1350℃×3h | ≥2.26 | ≥2.61 | / | |
1550℃×3h | / | / | ≥3.00 | |
Cold Crushing Strength MPa | 110℃×24h | ≥70 | ≥75 | ≥85 |
1350℃×3h | ≥85 | ≥90 | / | |
1550℃×3h | / | / | ≥100 | |
Flexural Strength MPa | 110℃×24h | ≥6 | ≥8 | ≥9 |
1350℃×3h | ≥8 | ≥9 | / | |
1550℃×3h | / | / | ≥11 | |
Permanent linear change Rate % | 1000℃×3h | -0.3 | -0.2 | -0.2 |
1350℃×3h | ±0.3 | ±0.5 | / | |
1550℃×3h | / | / | ±0.5 | |
Maximum service temperature ℃ | 1450 | 1600 | 1800 |
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High Grade Low Cement Castable Refractory Mechanical Strength Images |