L&L Products
InsituCore™

FOAMING MATERIALS FOR
COMPOSITE MANUFACTURING

WHAT IS INSITUCORE™

INTERNAL PRESSURE
ENABLES NET SHAPES

L&L InsituCore™ Foaming Core Technology is a family of one-component, heat-activated foaming materials that can be used to create composites with foam core. Placed in a heated tool, the material foams to fill the mold cavity and form net-shape parts without time-consuming machining processes or energy-intensive autoclave operations.
  • Simplified production process that results in a final lightweight net-shape part or preform with targeted density and strength
  • Reduced layup time, cycle time, and labor cost compared to traditional processes
  • Reduced waste from machining operations
  • Forms and bonds so additional adhesive layers are not required
  • Reduced number of reinforcement layers for weight reduction

FEATURES FOR HIGH PERFORMANCE

With InsituCore™, internally generated pressure is used to create net shape, 3D parts that are both lightweight and strong in a simple, clean process. Compared to traditional manufacturing and machining methods, these materials enable faster cycle times, a reduction in waste material, and optimized production processes by eliminating secondary machining and assembly operations.

High Strength

  • High compressive strength
  • High stiffness-to-weight ratio with a wide range of volumetric expansion

Process
Optimization

  • Enables fast cycle times
  • Minimal waste, low capital investment, small manufacturing footprint
  • Requires no liquid resin infusion

Flexibility in
Design

  • Good acoustic & thermal insulation
  • Fire-resistant products possible
  • Enables lightweighting

Safe and Easy
Handling

  • No isocyanates
  • Alternative to polyurethane foams

*Always follow SDS guidelines for safe handling.

solutions

A JOURNEY FROM RAW MATERIAL
TO A REFINED SHAPE

1

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1

Place the InsituCore™ material into the cavity mold with reinforcement fiber layers

2

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2

Close and heat the mold. The material foams, building pressure to fill the cavity completely

3

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3

Once cooled, open the mold and extract the structural foam part

1

learn more

1

Place the InsituCore™ material into the cavity mold with reinforcement fiber layers

2

learn more

2

Close and heat the mold. The material foams, building pressure to fill the cavity completely

3

learn more

3

Once cooled, open the mold and extract the structural foam part

Material Formats

  • Expands to produce a rigid, cross-linked foam
  • As a result of the compressive and flexural strength, the number of reinforcement layers may be reduced

Thermosetting

  • Expands to produce a viscoelastic foam
  • Can provide a damping effect in the finished part
  • Excellent adhesion to low surface energy substrates

Thermoplastic

Thermosetting

Thermoplastic

EXPLORING POSSIBLE USES

Resources

LEARN MORE ABOUT INSITUCORE™

Download our resources to find out more about our InsituCore™ foaming materials.

Follow the InsituCore™ LinkedIn page for technology updates and recent applications.

EVENTS

meet us

CONEXPO-CON/AGG

CONEXPO-CON/AGG

Date: March 3-7, 2026 Location: Las Vegas, Nevada, USA L&L Products booth number: TBD CONEXPO-CON/AGG, held every three years, is the largest construction show in North America. The show features the latest equipment, products, services and technologies or the...

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The Battery Show North America

The Battery Show North America

Date: October 7-9, 2025 Location: Huntington Place Detroit, MI L&L Products booth number: Booth 605 The Battery Show North America is a conference and battery tech expo focused on the latest developments in the advanced battery and automotive industries. L&L...

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CAMX – the Composites and Advanced Materials Expo

CAMX – the Composites and Advanced Materials Expo

Date: September 8-11, 2025 Location: Orange County Convention Center Orlando, Florida, USA L&L Products booth number: K55 CAMX – the Composites and Advanced Materials Expo – is the largest, most comprehensive composites and advanced materials event in North...

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