Technical Characteristics of PMI Foam for Advanced Industrial Applications
An in-depth analysis of mechanical properties, including compressive creep and shear strength, relevant for industrial designers.
Engineered for critical structures, the Rifeng W series delivers superior modulus and thermal resistance. It serves as the backbone for aerospace fuselages, wind turbine blades, and high-speed rail components where weight reduction is mandatory.

The Rifeng W Series is a structural rigid foam based on Polymeric Methylmethacrylate (PMI). It features a 100% closed-cell structure, ensuring minimal resin uptake during composite processing.
Designed for industrial composite applications, it withstands curing temperatures up to 180°C (356°F) and pressures used in autoclave and RTM technologies. This makes it a standard-compliant core material for aviation interior panels, radar domes (Radomes), and medical X-ray tables.

Figure 1: Rifeng W core applied in complex curvature aerospace components, demonstrating thermoforming capabilities.
| Property | Specification |
|---|---|
| Core Material | Rigid PMI Foam |
| Cell Structure | Closed-cell / Isotropic |
| Thermal Distortion | > 180°C |
| Dielectric Constant | ~1.05 (at 2-18 GHz) |
Radome Compatibility: Near-air dielectric properties ensure zero signal interference for antennas.
Process Ready: Compatible with prepreg curing and vacuum infusion without core collapse.
Need density charts? View the Full Rifeng PMI Collection.
Rifeng W series maintains structural integrity up to 180°C - 220°C depending on the specific grade, making it suitable for aerospace autoclave cycles.
Yes. Due to its thermoplastic nature, Rifeng PMI foam can be thermoformed into complex geometries (like curved fuselage panels) by heating it to approximately 205°C.
We supply standard sheets and can also provide kit-cutting or CNC machining services based on your CAD files to ensure precise fitment.
An in-depth analysis of mechanical properties, including compressive creep and shear strength, relevant for industrial designers.
Key factors to consider when validating a supplier for aviation-grade core materials, focusing on traceability and consistency.
How to balance performance and budget in large-scale composite manufacturing using Rifeng's diverse density options.