RIMLINE® WCM

RIMLINE® WCM is a polyurethane-based two-component system developed for use as face sheet material in sandwich composite structures. It enables overmolding of core parts with glass or carbon reinforcements to form preforms. Formulated for high-pressure dispensing machines, its low-viscosity liquid resin allows molding of high fiber volume fraction composites under low pressure.

Reinforcement Material: Carbon Fibers, Glass Fibers

Chemical Family: Polyurethanes (PU)

Processing Methods: Wet Compression Molding

End Uses: Battery Housings, Structural Parts

Brochure
  • TypeDocument Name
View All Documents

Enhanced TDS

Identification & Functionality

Blend
No
Chemical Family
Composite Materials Functions
Function
Resins, Binders & Matrix Materials
Reinforcement Material
Single Ingredient
Yes
Technologies
Product Families

Features & Benefits

Labeling Claims
Materials Features
Ready-to-Use Product Features
Benefits
  • Moldable – permitting the formation of both thick and thin complex sandwich panels
  • Can enable affordable part cost through cost effective resin and production process
  • Can provide increased damage resistance by higher toughness and better core adhesion
  • Reduced weight with durable mechanical performance
  • Can enable high productivity thanks to short cycle times.
Product Benefits
  • Moldable - permitting the formation of both thick and thin complex sandwich panels
  • Can enable affordable part cost through cost effective resin and production process
  • Can provide increased damage resistance by higher toughness and better core adhesion
  • Reduced weight with durable mechanical performance
  • Can enable high productivity thanks to short cycle times.
Product Highlights

RIMLINE® WCM polyurethane system creates a face sheet material for overmolding core sandwich composite structures.
Advanced toughness for lightweight battery protection

  • Versatile and durable, enabling engineering design freedom
  • Tunable to help meet customer manufacturing needs
  • Can reduce weight and improve impact protection of EV battery packs
  • Parts manufacturing with high fiber volume fraction under low pressure
  • Developed for: Wet Compression Molding process
  • Can enable a cost-effective formulation for affordable sandwich composites
  • Can be molded into the complex 3D shape of the ready-to-use core
  • Developed to perfectly complement RIMLINE® FC and LFI core resins.

Applications & Uses

Application Area
Composites End Use
Composites Processing Methods
Markets
Applications
Application Information

RIMLINE® WCM polyurethane system creates a face sheet material for overmolding core sandwich composite structures that gives underbody battery protection panels their final shape. The system can be tailored to help to achieve a reduction in weight while maintaining stiffness and providing impact protection.

Technical Details & Test Data

Test Data

RIMLINE® WCM resin’s reactivity developed for WCM or RTM processes

  • Ability to wet out large surfaces.
  • Short cure times at processing temperature.


 - 1

  • Pot life* at 120°C is 40 seconds (black line)
  • Pot life* at 80°C is 140 seconds (blue line)
  • Pot life* at 40°C is >300 seconds
  • Pot life* at 90% D 

Packaging & Availability

Regional Availability
  • Global

Other

Mechanical Properties
ValueUnitsTest Method / Conditions
Compressive Strength-509.0 MPaMPaISO 14126-1
Compressive Strength109.0 MPaMPaISO 604
Flexural Strength1082.0 MPaMPaISO 14125
Flexural Strength127.0 MPaMPaISO 178
Tensile Strength487.0 MPaMPaISO 527
Physical Properties
ValueUnitsTest Method / Conditions
Density1.2 kg/m³kg/m³DIN EN ISO 1183 at 23°C
Density1.2 kg/m³kg/m³ISO 1183-3 at 23°C
Glass Transition Temperature (Tg)min. 120.0 °C°CDynamic Mechanical Analysis (DMA)