MatWeb - Material Property Data Advertise with MatWeb!     Register Now
Data sheets for over 135,000 metals, plastics, ceramics, and composites.
MatWeb - Material Property Data HOME  •   SEARCH  •   TOOLS  •   SUPPLIERS  •   FOLDERS  •   ABOUT US  •   FAQ  •   LOG IN    
Recently Viewed Materials (most recent at top)  

Login to see your most recently viewed materials here.

Or if you don't have an account with us yet, then click here to register.

  Searches:   Advanced  | Category  | Property  | Metals  | Trade Name  | Manufacturer  | Recently Viewed Materials
LECO for Empowering Results
Solvay CYCOM® 5250-4 RTM BMI Resin, Composite with T650-35-3K-PW Fabric
Categories: Polymer; Thermoset; Bismaleimide (BMI); Carbon Fiber/Thermoset Composite

Material Notes: CYCOM® 5250-4 RTM is a true one-part homogeneous BMI resin developed specifically for the resin transfer molding (RTM) process. It reaches very low viscosity during transfer and maintains a low viscosity for several hours, thus providing the maximum capability to fabricate complex parts. Laminates fabricated from CYCOM 5250-4 RTM are capable of service temperatures up to 400°F (204°C), but its toughness and processability make it an ideal material for 180°F (82°C) temperature applications where epoxies are commonly used. CYCOM 5250-4 RTM offers the highest open hole compression (OHC) value of any organic matrix resin while providing the highest level of toughness available in an RTM capable matrix resin.

Features & Benefits:

  • Excellent toughness
  • Maximum continuous service temperature up to 400°F (204°C)
  • Superior hot/wet properties at 160 to 375°F (71 to190°C)
  • Low viscosity during processing
  • Low-tack, solid at room temperature provides ease of handling
  • Low thermal conductivity
  • Versatile cure, can be cured at 400°F (204°C) for 2 hours
  • Out-time greater than 60 days at room temperature
  • True one-part formulation
  • Fully compatible CYCOM 5240-4 RTM low resin content prepregs and CYCOM 782 RTM bindercoated fabrics are available for preform manufacture
  • Wing stabilizer spars
  • Fuselage skins and stiffeners
  • Low operating temperature, critical load-bearing components
  • Engine components
Mechanical properties for composites with 58% fiber volume T650-35-3K-PW carbon fiber fabric, after standard cure + postcure.

Information provided by Cytec, subsequently acquired by Solvay.

Available Properties
  • Water Absorption, Neat resin after 400°F cure (no postcure)
  • Water Absorption, Neat resin after standard cure + postcure
  • Flexural Strength, Fill 90° Direction, wet
  • Flexural Strength, Warp 0° Direction, wet
  • Flexural Strength, Fill 90° Direction
  • Flexural Strength, Warp 0° Direction
  • Flexural Modulus, Warp 0° Direction, wet
  • Flexural Modulus, Fill 90° Direction, wet
  • Flexural Modulus, Warp 0° Direction
  • Flexural Modulus, Fill 90° Direction
  • Compressive Strength, after 1500 in-lb/in impact
  • Shear Strength, Short beam, Warp 0° Direction, wet
  • Shear Strength, Short beam, Warp 0° Direction
  • Maximum Service Temperature, Air, continuous
  • Glass Transition Temp, Tg, 204°C for 2 hrs-no postcure, wet
  • Glass Transition Temp, Tg, Standard Cure+Standard Postcure, wet
  • Glass Transition Temp, Tg, 204°C for 2 hrs-no postcure, dry
  • Glass Transition Temp, Tg, Standard Cure+Standard Postcure, dry
  • Processing Temperature, Standard Cure. Standard post cure is 440°F for 4 hours
  • Processing Temperature, optional cure (no postcure)
  • Gel Time, neat resin
  • Shelf Life, sealed container, neat resin
Property Data

This page displays only the text
of a material data sheet.

To see MatWeb's complete data
sheet for this material (including
material property data, metal
compositions, material suppliers,
), please click the button below.

Manufacturer Notes:
Solvay, former Rhodia Engineering Plastics

Category Notes

Some of the values displayed above may have been converted from their original units and/or rounded in order to display the information in a consistent format. Users requiring more precise data for scientific or engineering calculations can click on the property value to see the original value as well as raw conversions to equivalent units. We advise that you only use the original value or one of its raw conversions in your calculations to minimize rounding error. We also ask that you refer to MatWeb's terms of use regarding this information. Click here to view all the property values for this datasheet as they were originally entered into MatWeb.


Elmet Technologies
Please read our License Agreement regarding materials data and our Privacy Policy. Questions or comments about MatWeb? Please contact us at We appreciate your input.

The contents of this web site, the MatWeb logo, and "MatWeb" are Copyright 1996-2020 by MatWeb, LLC. MatWeb is intended for personal, non-commercial use. The contents, results, and technical data from this site may not be reproduced either electronically, photographically or substantively without permission from MatWeb, LLC.