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SAND IN GRP PIPES

GRP  (Glassfiber Reinforced plastic) is a non metallic engineered composite. GRP pipe is called engineered material as you design it for specific duty conditions, applications. Properties of composite can be engineered by right mix of components (mainly, glass fiber roving and polyester resin) & with placement of glass fiber in laminate. Apart from above, various additives, fillers, aggregates can be added to enhance specific properties like fire resistance, UV inhibitors, abrasion resistance, stiffness etc. Long before, process of manufacturing GRP pipes was mostly manual without sophisticated mechanical means. Manufacturing process has been evolved over the years with more automation, with PLC, online visual – audio controls. This has resulted in better, consistent, compacted & more uniform pipe laminates. This helps to design & achieve pipe laminates with sand addition allowing offering economical design meeting requirements.
When GRP pipe has sand as one of the raw mate…
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