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PRF Composite Materials RP442

PRF Composite Materials RP442 is designed to give an initial cure at low temperatures with enhanced toughness and higher service temperature, giving great flexibility in component manufacture. The system also has a longer out life for a low temperature system: up to 30 days at 20°C. RP442 can be supplied on a variety of PRF’s high quality reinforcement fabrics.

Polymer Name: Epoxy Resins & Compounds

Functions: Prepreg

Reinforcement Material: Carbon Fibers

Processing Methods: Compression Molding, Prepreg Processing, Rolling, Vacuum Bagging

Technical Data Sheet
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Knowde Enhanced TDS

Identification & Functionality

Reinforcement Form
Reinforcement Material
Composite Materials Functions
Fibre
Carbon
Fibre Type
TR30S

Features & Benefits

Labeling Claims
Benefits

• Cure temperature as low as 65°C
• High service temperatures - as high as 125°C (DSC) after postcure
• Out life at 20°C: up to 30 days
• Storage life at -18°C: 12 months
• Solvent-free

Applications & Uses

Applications
  • Automotive
  • Motorsport
  • Marine
  • Defense
Processing Methods
  • Vacuum bag
  • Autoclave
  • Pressure molding
  • Tube rolling
  • Pressure bag

Properties

Physical Form
Mechanical Properties
ValueUnitsTest Method / Conditions
Fabric Weave StyleTwill 2/2--
Thermogravimetry (DSC)120°C-
Fabric Weight204g/m2-
Resin Content42%-
Tensile Strength823.7MPaASTM D3039
Tensile Modulus60.3GPaASTM D3039
Flexural Strength998.7MPaASTM D790
Flexural Modulus65.8GPaASTM D790
Typical Properties
ValueUnitsTest Method / Conditions
Cure Temperature65–120°C-

Technical Details & Test Data

Cure Cyle

Initial cure 65°C at a ramp rate of up to 2°C and maintain for 16 hours, process under vacuum, pressing or autoclave. Post cure (where required for high Tg) 1 hour dwell at 120°C - maximum ramp rate of 20°C per hour. Resulting Tg: 125°C (DSC).

Alternative cure cycles and resulting Tg:

Cure (°C) Time (hrs) Tg(°C)
65 16 65
120 1 125