GRP PIPE TECHNOLOGY

In modern industries, Glassfiber Reinforced Plastics (GRP) have become indispensable. Although initially discovered in the early 20th century for house insulation, GRP has evolved to find extensive applications in aerospace, automotive, marine, and construction sectors.

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Composition of GRP

​Glassfiber Reinforced Plastic (GRP) is a composite material composed of a polymer matrix reinforced with glass fibers. The polymer matrix is typically an epoxy, vinylester, or polyester thermosetting resin, which imparts environmental and chemical resistance, binds the fibers, and shapes the GRP part. The glass fibers, most commonly E-glass (alumino-borosilicate glass) or E-CR-glass (Electrical/Chemical Resistance glass), provide strength and can be randomly arranged or strategically oriented.

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Strength and Durability

The remarkable strength of GRP arises from the synergy between its components. Plastic resins excel under compressive loads, while glass fibers are highly resistant to tension. This combination results in a composite material that can withstand both compressive and tensile stresses. GRP can be produced using various methods such as filament winding, centrifugal casting, hand lay-up, spray lay-up, and pultrusion.

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Advantages of GRP

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GRP offers numerous advantages, including:

• High Strength-to-Weight Ratio: Strong yet lightweight.

• Chemical and Corrosion Resistance: Non-conductive, resistant to electrolytic corrosion.

• UV and Temperature Stability: Withstands harsh environmental conditions.

• Waterproof: Ideal for outdoor use.

• Fire-Retardant Options: Can be made with non-flammable resins.

• Long Lifespan: Durable and long-lasting. These characteristics make GRP a versatile material for various industrial applications.

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GRP in Pipeline Construction

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​GRP has become a staple in pipeline construction. Its applications include sewer systems, potable water lines, storage tanks, drainage pipes, hydropower penstocks, industrial pipe systems, and non-circular rehabilitation solutions. GRP pipes can be installed using diverse methods such as open trench, above ground, suspended, underwater, and trenchless technologies like relining and microtunneling.

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We are Proud agents of SUBOR GRP Pipes and Fittings which are produced using  Continuous Filament Winding Technology  and have all the superior properties of the technology.