HexPly® M79-M79-LT

1 of 107 products in this brand
HexPly® M79/M79-LT is a hotmelt, thermosetting, low-exothermic epoxy resin matrix, specifically designed for prepreg applications at which short cure cycles below 100°C are required. M79/M79-LT can be used for manufacture of large industrial components, suitable for cure of thin and thick sections. M79/M79-LT exhibits a long out-life of 8 weeks at ambient conditions. M79 is supplied as moderate tack and M79-LT as low tack resin matrix.

Polymer Name: Epoxy Resins & Compounds

Functions: Prepreg

Technical Data Sheet

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Knowde Enhanced TDS

Identification & Functionality

Composite Materials Functions

Applications & Uses

Properties

Physical Form
Typical Properties
ValueUnitsTest Method / Conditions
TackModerate/Low
Optimum Cured Tg (Following a 120min Cure at 110°C)100 - 110°C
Typical Cured Tg (Following a 130min cure At 90°C)90 - 100°C
Density1.1 – 1.2g/cm³ISO 1183-1

Technical Details & Test Data

Curing Conditions
  • Recommended heat-up rate: 0.5 – 5°C/min
  • Recommended cure cycle: 25 – 90°C @1°C/min, 300min @90°C
  • Pressure gage: 0.5 – 5bar

Typical Viscosity Profile
(Data obtained from plate-plate rheometry, temperature run in reference to ISO 6721-10; Representative for a selected, single batch)

HexPly® M79-M79-LT - Curing Conditions

Storage & Handling

Shelf Life
  • at +30°C 3 weeks
  • at +23°C 8 weeks
  • at +5°C 6 months
  • at -18°C 18 months