Import 20x20 Mm Alumina Ceramic Grinding Column — Buy in wholesale FOB from Supplier in China

The 20x20 mm Alumina Ceramic Grinding Column is a cylindrical industrial ceramic component designed for material reduction processes in grinding equipment. This ceramic column measures exactly 20mm in diameter and 20mm in height, featuring a solid cylindrical form factor optimized for insertion into grinding mills, ball mills, and attritor equipment. The grinding column is manufactured from industrial-grade alumina (aluminum oxide) ceramic, which provides superior hardness, wear resistance, and thermal conductivity compared to traditional steel or tungsten carbide grinding media.

The alumina ceramic grade used for grinding columns typically falls in the range of 92% to 99.5% purity, with higher alumina content providing increased hardness measured on the Mohs scale (typically 9 for high-alumina ceramics). The ceramic undergoes precision sintering at temperatures exceeding 1600 degrees Celsius to achieve optimal density and grain structure. This manufacturing process creates a uniformly hard surface that maintains its dimensional integrity throughout extended grinding cycles, reducing the frequency of media replacement in industrial processing operations.

This grinding column is utilized across multiple industries including mineral processing, ceramic production, pharmaceutical manufacturing, food processing, and chemical pigment production. The product serves buyers who require precise particle size reduction in wet or dry grinding applications, particularly where contamination from metallic grinding media must be avoided. Typical applications include grinding of ceramic powders, glass frits, minerals, pigments, and pharmaceutical intermediates. Trade terms typically involve FOB shipping from Chinese ports with minimum order quantities that vary based on the specific alumina grade and dimensional tolerances required.

Zibo Win-Ceramic Material Co. Ltd operates from No.22, Changguo Western Road in Zhangdian District, Zibo, Shandong Province, China, postal code 255000. The company is classified under the harbor trust tier, indicating basic business verification. The listing shows zero response rate and zero average response hours, which may indicate limited active engagement on the sourcing platform or potential language barriers for international communications.

The supplier specializes in ceramic materials including grinding columns, Rasching rings, and other industrial ceramic components. The product listing mentions ISO compliance under stringent quality controls, though specific ISO certification numbers are not provided. The listing does not disclose company employee count, annual production capacity, export experience details, or specific quality management system certifications beyond general ISO compliance claims.