Composite Core Materials for Marine, Wind Energy & Aerospace Structures

JLON implements a strict quality control system covering raw materials, production processes, and finished products.

Our foam cores are produced under controlled processes to ensure consistent performance across batches.

If you require certification reports or project-specific testing data, our technical team can support documentation for your application.

Foam core materials are widely used in sandwich composite structures to reduce weight while maintaining strength and stiffness.

They are typically used between two outer laminate skins in applications such as:

 Marine boat hulls and decks

 Wind turbine blades

 Aerospace interior panels

 UAV and drone structures

Transportation panels

Common foam core types include PVC foam, PET foam, PMI foam depending on performance requirements.

Different applications require different foam densities and mechanical properties, which should be selected based on structural design requirements.

PVC foam core and PET foam core are both widely used in composite sandwich structures, but they differ in material properties and applications:

PVC Foam Core:

Closed-cell foam with excellent water resistance and good mechanical strength. Commonly used in marine and wind energy applications.

PET Foam Core:

Recyclable thermoplastic foam with good fatigue resistance and cost efficiency. Often used in transportation and large structural panels.

Both materials are compatible with vacuum infusion and other composite manufacturing processes.

Selection depends on cost target, mechanical requirements, and environmental considerations.

PMI foam core is a high-performance structural foam material used in advanced composite applications requiring high strength and temperature resistance. It’s suitable for autoclave processing.

Typical applications include:

Aerospace interior structures

UAV and drone components

High-performance sandwich panels

Racing and motorsport structures

PMI foam maintains excellent mechanical properties under elevated temperature curing conditions.

It is commonly selected when performance is more critical than cost.

For marine composite structures, the most commonly used foam core materials are:

PVC foam core (most widely used)

PET foam core (cost-efficient alternative)

These materials are used in:

Boat hulls

Decks

Bulkheads

Marine sandwich panels

PVC foam is preferred for higher water resistance and structural stability.

The final selection depends on vessel type, budget, and structural requirements.

Yes, foam core materials such as PVC foam, PET foam, and PMI foam are widely used in vacuum infusion process.

These materials are designed to:

Maintain dimensional stability under vacuum pressure

Allow proper resin flow in sandwich structures

Bond effectively with fiberglass, carbon fiber, or other reinforcement materials

Material selection should consider resin type, curing temperature, and panel thickness.

PMI foam core: typically suitable for curing temperatures up to around 180°C

Polyimide (PI) foam: can withstand continuous service temperatures up to around 250°C

These materials are used in aerospace, thermal insulation, and high-temperature composite applications.

Selection depends on operating temperature, structural load, and insulation requirements.

Foam core and honeycomb core are both used in sandwich composite structures, but they have different structures and performance characteristics:

Foam core: solid closed-cell structure, easier to process, good impact resistance

Honeycomb core: hexagonal structure, extremely lightweight, higher stiffness-to-weight ratio

Common honeycomb materials include PP honeycomb and aramid honeycomb.

Foam core is often used for general structural panels, while honeycomb is used for ultra-lightweight high-strength applications.

Composite core materials are used in a wide range of industries, including:

Marine industry (boats, yachts, ship structures)

Wind energy (turbine blades)

Aerospace (aircraft interior panels)

UAV and drone manufacturing

Transportation (RV, rail, refrigerated trucks)

Industrial equipment and structural panels

Material selection varies depending on strength, weight, and temperature requirements.