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HexFlow® RTM 6

HexFlow® RTM 6

HexFlow® RTM 6

Product catalog summary
Overview
HexFlow® RTM 6 is a degassed, monocomponent epoxy resin designed for resin transfer moulding (RTM) processes, specifically catering to the aerospace industry. It is a premixed system suitable for service temperatures ranging from -60°C to 120°C.
Key Features
  • Monocomponent system, ready for use.
  • High glass transition temperature and excellent hot/wet properties.
  • Easy processing with low injection pressure and a long injection window of ≥150 minutes at recommended temperatures.
  • Low moisture absorption and short, simple cure cycles.
Transport and Availability
  • Classified under UN 3233 division 4.1 (type C).
  • Available with various fabrics including carbon, glass, aramid, and hybrid.
Storage
  • Shelf life at 23°C is a minimum of 15 days.
  • Guaranteed shelf life at -18°C is 9 months.
Resin Properties
  • Gel time varies with temperature, from over 240 minutes at 120°C to 5 minutes at 240°C.
  • Viscosity decreases with increased temperature, facilitating easier processing.
  • Uncured resin density is 1.11 g/cm³ at 25°C, while cured density is 1.14 g/cm³.
  • Fracture toughness is 89 J/m², with a coefficient of thermal expansion of 52.7 e-6/K.
Composite Laminate Properties
  • Composition includes Injectex® G0926 with a fibre volume fraction of 57%.
  • Injection under vacuum/low pressure (1 to 5 bar) with a cure cycle of 120 minutes at 180°C.
Mechanical Properties
  • Tensile strength and modulus are specified for both neat resin and composite laminate, with standard specifications provided.
Processing Recommendations
  • Preheat resin at 80°C and mould at 120°C before injection.
  • Recommended cure cycle is 120 minutes at 180°C with no post-cure required.
Important Notes
All information is provided without liability, and users should assess product suitability for their needs. Sales are subject to standard terms, including liability limitations.
Contact Information
For US inquiries, call 1-800-688-7734. For global sales offices, visit the Hexcel website.
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Catalog excerpts

HexFlow® RTM 6-1

HexFIow® RTM 6 180°C mono-component epoxy system for Resin Transfer Moulding and Infusion technologies Product Data Description HexFIow® RTM 6 is a degassed, monocomponent resin specifically designed for resin transfer moulding (RTM) processes and to fulfil the requirements of the aerospace industry. Nature HexFlow® RTM 6 is a premixed epoxy system for service temperatures from -60°C up to 120°C (-75°F up to 248°F). At room temperature, it is a brown translucent paste but its viscosity decreases quickly by increasing the resin temperature. Advantages ■ Monocomponent system ■ Already degassed. Ready for use ■ High glass transition temperature ■ Excellent hot/wet properties ■ Easy to process (low injection pressure) ■ Long injection window >150 min at recommended injection temp. ■ Low moisture absorption ■ Short, simple cure cycles Transport classification Product classification: ■ HexFlow® RTM 6 Mono-Component: UN 3233 division 4.1 (type C) Availability HexFlow® RTM 6 resin is available with a wide range of Injectex®, HexForce® and multiaxial fabrics (carbon, glass, aramid, hybrid). Storage ■ Shelf Life @ 23°C 15 days minimum ■ Guaranteed Shelf Life @ -18°C 9 months Typical Resin Properties

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HexFlow® RTM 6-2

HexFlow® RTM 6 Viscosity Profile Complex viscosity (Pas) Viscosity (mPa.s) HexFlow® RTM 6 Isothermal viscosity Viscosity for a standard injection cycle Viscosity evolution versus storage time at 80°C Initial viscosity 120°C (mPa.s) Viscosity after 2h at 120°C (mPa.s)

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HexFlow® RTM 6-3

Neat Resin Properties

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HexFlow® RTM 6-4

Process Specification Injection: ■ Preheat resin at 80°C ■ Preheat the mould at 120°C ■ Inject the resin (80°C) under vacuum/low pressure (1 to 5 bars) Please consult: HexFlow®RTM6/RTM6-2 Safety & Processing Recommendations for Injection & Infusion for more information. Standard Cure and Post-cure Cycle Recommended cure cycle : 120 min at 180 °C - no postcure Important All information is believed to be accurate but is given without acceptance of liability. Users should make their own assessment of the suitability of any product for the purposes required. All sales are made subject to our standard...

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