High Pressure Resin Transfer Moulding and Thermoplastic Resin Transfer Moulding

The Process

HP-RTM is the natural evolution of the traditional low pressure RTM. A fully cured composite part can be obtained in a time ranging from less than 2 to 5 minutes, depending on the selected chemical and on the process parameters.
The process consists in the injection of a multi-component mixed thermosetting or thermoplastic matrix into a closed mould in which a dry reinforcement preform has been previously placed, and where vacuum has been applied.
After the polymerization time, the mould is opened and the finished part is extracted.

Features and advantages

These processes allow to obtain high performance structural parts by directly combining reinforcement and matrix. The in-line high pressure impregnation allows producers to minimize the raw material costs.
This process is perfectly fit with complex 3D geometries and long fiber reinforcement.



  • Interior panels
  • Seating

Hollow structures


Epoxy, Polyurethane, P-DCPD, Thermoplastic Multi-Component Resins


Carbon, Glass, Aramid, Basalt, Organic natural


Uni-directional, Multi-Axial, Textile

Curing time: 2-5 min

Fiber volume fraction: up to 55%


Compact mixing head for HP-RTM processes


Modular multicomponent dosing unit, for HP-RTM applications

Composites Presses

Dedicated to composites applications


Design, development and suppy of moulds

Stacking Line

A balanced combination of efficiency and flexibility for high productivities

Conditioning Station

To keep homogeneous chemicals’ conditions


Solutions of motion control and industrial robotics