Explosion Proof Pin Type Horizontal Sand Mill Machine 30L This 30L pin type horizontal sand mill is engineered for safe and stable wet grinding of solvent-based and water-based products. Featuring explosion-proof motor and electrical components, a four-point cooling system and PLC touch screen control, it delivers consistent nano-scale dispersion for paint, ink and coating production. Key Features Explosion-proof motor and electrical components for safe operation in flammable