Hollow ball bricks are building materials that consist of hollow ceramic balls encased in a brick. The unique design of the bricks allows for insulation and lightweight construction while maintaining strength and durability. They are commonly used in the construction of walls, partitions, and fireplaces.
Hollow ball brick is a type of building material that consists of hollow clay spheres embedded in a clay brick matrix. It provides excellent thermal and sound insulation, making it a popular choice for buildings that require these features, such as recording studios or residential homes. Hollow ball brick is also fire-resistant, durable, and environmentally friendly, as it is made from a natural and sustainable resource. It is commonly used for load-bearing structures such as walls and columns, providing a cost-effective and long-lasting option for construction projects.
| Item | Alumina hollow ball brick | Zirconia hollow ball brick | |||
| RBTHB-85 | RBTHB-90 | RBTHB-98 | RBTHB-99 | RBTZB-95 | |
| Max Service Temperature（℃） | 1750 | 1800 | 1800 | 1800 | 2200 |
| Bulk Density（g/cm3） ≥ | 1.4~1.9 | 1.4~1.9 | 1.4~1.9 | 1.5~2.0 | 2.5 |
| Cold Crushing Strength（MPa）≥ | 10 | 10 | 11 | 12 | 12 |
| @1600℃×3h Permanent Linear Change(%) | ±0.3 | ±0.3 | ±0.3 | ±0.3 | ±0.2 |
| Thermal Conductivity（W/m.k) | 0.30 | 0.35 | 0.50 | 0.50 | 0.23~0.35 |
| Al2O3（%） ≥ | 85 | 90 | 98 | 99 | ― |
| Fe2O3（%） ≤ | 0.5 | 0.2 | 0.1 | 0.1 | 0.2 |
| ZrO2（%） ≥ | ― | ― | ― | ― | 95 |
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