

High-temperature Ceramic Components
Alumina Kiln Furniture, Pusher Plates, Crucibles, Furnace Refractory, Specialty Shapes
Sunrock’s HPA family of high-alumina refractory materials are engineered for the most demanding high-temperature thermal processing applications.
About Our Products

High-purity Alumina Formulations
Sunrock offers a range of alumina formulations for various applications, including up to 99.7% alumina for use in chemically reactive applications such as reducing atmosphere sintering.

HPA-70
Mullite
HPA-70 is a mullite (approximately 70% alumina) kiln furniture material designed for excellent thermal shock resistance and heat strength up to 1450°C.


Focus on Quality and Performance
Sunrock offers a wide selection of high-purity alumina products for use as consumables in severe thermal processing applications.
Since 2005, Sunrock has been producing high alumina kiln furniture and other industrial ceramics products used as consumables in various thermal processing industries. Products include saggers, crucibles, batts, trays, setters, v-groove plates, and other specialty shapes. We focus on difficult operating environments, and it’s all we do.

If you are managing a difficult thermal processing application, please contact us to start a conversation on how we can assist with your kiln and furnace consumables. We offer top quality products, and we have a wide range of existing shapes (and can create new ones quickly and economically). We have deep experience in navigating the inherent trade-offs in the design of kiln furniture systems.