Extruded hollow Supports are also used in kiln furniture in all ceramic industry fields. They are supported kiln furniture products for supporting solid batts, Extruded batts, etc. High pressure vacuum extrusion is generally used, and sometimes pressure grouting is also used. According to the kiln furniture classification rules, according to its cross-sectional shape and length, it can be subdivided into six categories: Super Long Supports, Circular Supports, Elliptical Supports, Square Supports, Diamond Supports and Special Extruded Supports.

Cordierite-Mullite kiln furniture is the composition  of cordierite, mullite and glass phase. It fully utilizes the high temperature resistance of mullite and the low expansion of cordierite, so the cordierite-mullite kiln furniture is resistant to quenching. With good heat performance and long service life, it can be used safely below 1350°C to meet the burning requirements of most ceramic products.

General kiln furniture is mainly used in forming the main structure of the kiln furniture system, on which the products or the secondary kiln furniture placed . Therefore, the universal kiln furniture is also called the primary kiln furniture. This type of kiln furniture can be applied in different industries and has strong versatility. The main varieties are Plain Batts, Perforated Batts, Grooved Batts, Extruded Batts, Various Props, Prop caps and Splicers.