鐵水包澆注料的基本特點(diǎn)是使用溫度一般不超1400℃，但是使用壽命要求900爐以上。因此包襯必須具有較高的強(qiáng)度、較好的耐沖刷性、良好的抗熱震性，加入一定量的碳化硅，既可以提高耐磨性、抗沖刷能力，還可以還原一些低熔點(diǎn)的物質(zhì)。
鐵水包澆注料的特點(diǎn)如下：
1、使用中不粘渣，包壁光滑。
2、抗沖刷、抗剝落性好、耐腐蝕、耐磨損。
3、施工工藝簡單、快捷，勞動(dòng)強(qiáng)度低。
4、耐火度高，高溫性能卓越，使用壽命長。
Aluminum silicon carbide castable is commonly used in hot metal ladle. It is mainly made of high-quality bauxite and silicon carbide. It has high fire resistance, impact resistance, erosion resistance, wear resistance, long service life, high construction efficiency and low labor intensity.
The basic characteristic of ladle castables is that the service temperature is generally not more than 1400 ℃, but the service life is required to be more than 900 heats. Therefore, the lining must have high strength, good erosion resistance and good thermal shock resistance. Adding a certain amount of silicon carbide can not only improve the wear resistance and erosion resistance, but also reduce some substances with low melting point.
The characteristics of castables for hot metal ladle are as follows:
1. No slag sticking and smooth wall.
2. It has good erosion resistance, peeling resistance, corrosion resistance and wear resistance.
3. The construction technology is simple and fast, and the labor intensity is low.
4. High fire resistance, excellent high temperature performance and long service life.
| 牌號(hào) | YF-1 | YF-2 | YF-3 | |
| 化學(xué)成分% | Al2O3 | 50 | 70 | 80 |
| Sic | 15 | 10 | - | |
| 體積密度g/cm3 | 110℃×24h | 2.50 | 2.60 | 2.85 |
| 線變化率（%） | 1400℃×3h | ±0.5 | ±0.5 | ±0.5 |
| 耐壓強(qiáng)度Mpa | 110℃×24h | 15 | 15 | 35 |
| 1400℃×3h | 35 | 40 | 50 | |
| 耐火度℃ | 1790 | 1790 | 1790 | |