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For consultation/feedback, please call the service hotline: +86-136 8495 9862 Email:cennia@szmizhi.com
A sand blasting machine designed for concrete surface preparation is a specialized tool used to remove coatings, contaminants, and create texture on concrete substrates for renovation or new construction. The machine employs high-pressure air (40–120 PSI) to propel abrasives like sand, steel grit, or crushed stone, effectively stripping away old paint, epoxy, adhesives, or surface laitance. This process is vital in preparing concrete floors, walls, and structures for coatings, tiling, or waterproofing, as it creates a rough surface that enhances bond strength.
Key design elements include portable, rugged construction for on-site use, with adjustable nozzles and pressure controls to tailor the process for different concrete densities and treatment goals. For example, fine sand at low pressure is suitable for light etching, while coarse abrasives at high pressure remove heavy coatings. The machine often features a dust collection system with HEPA filters to comply with environmental regulations, as concrete blasting generates significant particulate matter. In construction, these machines prepare parking garages for sealants; in bridge maintenance, they remove deteriorating concrete layers; and in industrial settings, they ready floors for epoxy coatings. Advanced models may integrate vacuum-assisted blasting to minimize dust and debris, or robotic attachments for large-scale, uniform processing. By enabling precise surface profiling, sand blasting machines for concrete ensure that subsequent materials adhere securely, extending the lifespan of structures and reducing maintenance costs.