|
|
 産品詳細介紹 |
|
項 目 \ 牌 号 |
CBF40-A |
CBF40-B |
CBF50-A |
CBF50-B |
CBF60-A |
CBF60-B |
| Al2O3 % |
42-53 |
45-53 |
≥45 |
≥50 |
≥60 |
≥58 |
| Fe2O3 % |
≤1.6 |
≤1.6 |
≤1.0 |
≤1.2 |
≤1.1 |
≤1.4 |
| TiO2 % |
|
|
≤1.5 |
≤2.0 |
|
|
| CaO+MgO % |
≤0.7 |
≤0.7 |
|
|
|
≤0.7 |
| K2O+Na2O % |
≤0.8 |
≤0.8 |
≤0.6 |
|
|
≤0.8 |
| 耐火(huǒ)度 ℃ |
≥1750 |
≥1750 |
|
|
≥1770 |
≥1750 |
| 顯氣孔率 % |
11-19 |
11-19 |
≤16 |
≤14 |
≤18 |
11-19 |
| 體(tǐ)積密度 g/cm3 |
≥2.20 |
≥2.20 |
≥2.35 |
≥2.40 |
≥2.45 |
≥2.35 |
| 常溫耐壓強度 Mpa |
≥40 |
≥50 |
≥40 |
≥60 |
≥70 |
≥60 |
| 荷重軟化溫度 ℃ |
T0.5≥1450 |
T0.5≥1490 |
T0.5≥1470(示差法) |
T0.5≥1500 |
T0.5≥1600 |
T0.5≥1600 |
| 重燒線變化率 % |
1450℃×2h
+0.1～-0.1 |
1450℃×2h
+0.1～-0.1 |
|
|
1600℃×2h
±0.2 |
|
蠕變率 %
0.2Mpa,(0-25h) |
1280℃
≤0.4 |
1280℃
≤0.25 |
1280℃×(14-24)h
≤0.007 |
1350℃×(20-50)h
≤0.2 |
1280℃
≤0.1 |
|
高(gāo)溫抗折強度 MPa
1350℃×0.5hr |
≥4 |
≥4 |
≥6 |
1370℃×0.5hr
≥6 |
|
≥6 |
| 線膨脹率, 1000℃ % |
≤0.7 |
≤0.7 |
|
|
|
≤0.65 | | | |
