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What is Silica Plastic Block (SPB) technology? Silica Plastic Block (SPB) is a cement-free construction material technology  developed by Rhino Machines Private Limited .It converts industrial silica-rich waste —such as foundry dust, reclaimed sand fines—and low-value waste plastic  into durable construction blocks and pavers. At its core, SPB is a waste-to-wealth innovation , where waste plastic acts as a binder, encapsulating silica waste to form strong, water-resistant bl

Silica Plastic Block - transforming today's waste into tomorrow's resource