Thailand’s feldspar black grinding mills operate at capacities around 25 tph with an output fineness of 50 microns. Black feldspar from Chiang Mai is ground to produce fine powder used in the ceramic and glass industries. The mills’ ability to produce high-quality powder enhances the durability and aesthetics of products like glassware and tiles. Thai companies rely on these mills to meet the demand for premium feldspar powder required in high-end decorative applications.