Superb Performance Endowed by Hard Texture
Hard diatomaceous earth mats are mainly made of "high-purity diatomaceous earth + inorganic adhesive" through a high-pressure molding process. Different from the loose texture of ordinary soft diatomaceous earth mats, they have a denser structure and higher hardness (reaching 3-4 on the Mohs hardness scale), which is not easy to break or shed residues. High-quality hard diatomaceous earth mats con