1) Composite material 
`Soluforce is a brandname of Pipelife for a Reinforced Thermoplastic Pipe (RTP). ==Introduction== Soluforce is an RTP, which is a flexible pipe, supplied in long length coils up to 400m length and pressure ratings from 30 to 90 bar. In the last few years, this type of pipe has been acknowledged as the standardised solution for oilfield flowlines ....