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Twiga Fiberglass Pipe Wrap
Twiga Fiberglass Pipe Wrap
Twiga Fiberglass Pipe Wrap is a thin flexible, uniform felt, composed of glass fibres in an open porous structure, bonded with phenolic binder that is compatible with hot coal-tar enamel. The mat may be of the reinforced or non-reinforced type.For water, crude oil and gas pipelines, the anti-corrosive protections mostly utilized are hydrocarbon base systems (oil or pit carbon derivates) mixed with mineral fillers and reinforced with Twiga Fibreglass Mat (normally utilized as “INNERWRAP”) and impregnated Twiga Fiberglass Mat (as “OUTERWRAP”)Coating with Twiga Pipe Wrap ensures a higher mechanical resistance, uniformity of thickness and permanent adhesion to the pipe line walls.Twiga Pipe Wrap conforms to International standards (AWWA C 203 latest versions / IS 10221 – 1982) for anti-corrosion coatings of pipe works as well as to the technical specifications provided by the major pipeline engineering groups.
- Flexible – Pliable, do not crack (yarn tear)
- Open porous structure – can be easily impregnated, uniform coating (single homogeneous unit)
- High tensile strength / breaking, tear strength – Resistant to longitudinal / transverse tension, provides reinforcement, protection from mechanical damage due to strain on pipe during handling - laying, commissioning & operation, withstand pressure due to soil movement, cold bending etc.
- Chemical Resistant (Inert) – Chemically stable, compatible with anticorrosive chemicals / coal tar and bitumen, resist degradation from corrosion electrolyte, unaffected by weather agents, withstand attack from bacteria, chemicals contained in soil, no mould growth
- High temperature resistance / tolerance - thermally stable, stable up to 288 0C, can be used in both hot & cold application, unaffected under load in hot bitumen at 288 0C, structural, composition stability
- Inorganic composition – non biodegradable, does not rot and decay.
- Hydrophobic – does not absorb moisture, when applied with coal tar, it is impermeable to water
- Fire properties – Non inflammable (phenolic resin), reduce fire hazards
- Smooth surface - Uniform fiber distribution / uniformly bonded felt / unilateral spread of fibers, structural/ dimensional stability, no bubbles / wrinkles / no flakes of undispersed chop strands, even thickness while impregnating in coal tar no blister formation / edge break / disintegration of fiber strands, does not get torn / damaged while applying coating.
- Additional strength added by yarn reinforcement spacing option.
- U.V.Protection