Thimbles
The product is designed to use in air casting technology. It adopts to various molds. The product has a smooth working surface, whilst the diffused internal distribution of the fine spherical pores generates a superior insulation effect.
Material ingredient
- Silica: 60%
- Alumina: 15%
- Calcium Oxide: 15%
Material density ：1.35-1.45g/cm3
Bending strength ：>4 MPa
The surface of the product will be painted with BN coating, which allows no stick to Aluminium or silicon in molten Aluminium. The installation, maintenance and repair of the products are simple and convenient.