QINGDAO WESTERN COAST ADVANCED MATERIALS CO., LTD. Is a subsidiary company of Sunny Minerals (Qingdao) Co., Ltd. With special technology and experienced production method, QWCO provides a wide range of Mullite Insulating Bricks for the field of metallurgy, petroleum, ceramics, glass and other industrial furnace.
| Brand Item |
YNS45 |
YNS44 |
YNS43 |
YNS42 |
| Al 2 O 3 % ≤ |
45-50 |
44-50 |
43-50 |
42-50 |
| Fe 2 O 3 % |
1.0 |
1.2 |
1.5 |
2.0 |
| Refractoriness ( º C ) ≥ |
1770 |
1750 |
1750 |
1730 |
| Bulk Density (g/cm 3 ) ≥ |
2.55 |
2.50 |
2.45 |
2.40 |
| Impurity % ≤ |
2.0 |
2.5 |
3.0 |
3.5 |
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