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FRP and Pultrsion
2013-07-25 21:48:15

As the wiki’s report Fibre-reinforced plastic (FRP) (also fibre-reinforced polymer) are composite materials made of a polymer matrix reinforced with fibres. The fibres are usually fibreglass, carbon, or aramid, while the polymer is usually an epoxy, vinylester or polyester thermosetting plastic. FRPs are commonly used in the aerospace, automotive, marine, and construction industries.FRP and Pultrsion

The FRP is also called GRP(Glass fiber Reinforced Plastic). The main technique to made FRP products contains pultrusion, pulwinding, filament winding, molded, mandrel wrapping and Hand Lay-up. Because those techniques has their own features, for different products, there is a most resonable technique to made it according to the qaulity and cost.

 

Unicomposite’s main products by different techinique:
Pultrusion: fiberglass rod, tube, channel and other structure profiles with steady profiles,fiberglass windows profile, fiberglass sail battens, decking, panel, grating, column, lighting pole, cross arm, carbon fiber rod, carbon fiber tube
Pulwinding: rod, tube,taper pole, thin wall pipe,high pressure pipe, power pole, heavy load corss arm,
Molded : composite sheet, carbint,gratings, samll accessories, rebar
Mandrel wrapping: tubes, conical poles, telescopic pole, cabon fiber shaft
Hand lay-up: large garbage can, garden flowerpot, and other parts

 

Unicomposite’s main products by different techinique:Pultrusion: fiberglass rod, tube, channel and other structure profiles with steady profiles,fiberglass windows profile, fiberglass sail battens, decking, panel, grating, column, lighting pole, cross arm, carbon fiber rod, carbon fiber tube Pulwinding: rod, tube,taper pole, thin wall pipe,high pressure pipe, power pole, heavy load corss arm,Molded : composite sheet, carbint,gratings, samll accessories, rebar Mandrel wrapping: tubes, conical poles, telescopic pole, cabon fiber shaft Hand lay-up: large garbage can, garden flowerpot, and other parts Unicomposite’s main products by different techinique.
 
The technique used most widely is the pultrusion. Pultrusion is a continuous process of manufacturing of composite materials with constant cross-section whereby reinforced fibers are pulled through a resin, possibly followed by a separate preforming system, and into a heated die, where the resin undergoes polymerization. Many resin types may be used in pultrusion including polyester, polyurethane, vinylester and epoxy.
 
But the technology isn't limited to thermosetting resins. More recently, pultrusion has also been successfully used with thermoplastic matrices such as polybutylene terephthalate (PBT) either by powder impregnation of the glass fiber or by surrounding it with sheet material of the thermoplastic matrix which is then molten
Pultrusion: fiberglass rod, tube, channel and other structure profiles with steady profiles,fiberglass windows profile, fiberglass sail battens, decking, panel, grating, column, lighting pole, cross arm, carbon fiber rod, carbon fiber tube
Pulwinding: rod, tube,taper pole, thin wall pipe,high pressure pipe, power pole, heavy load corss arm,
Molded : composite sheet, carbint,gratings, samll accessories, rebar
Mandrel wrapping: tubes, conical poles, telescopic pole, cabon fiber shaft
Hand lay-up: large garbage can, garden flowerpot, and other parts

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