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GMS Composites EP-282

Producer:  GMS Composites
GMS Composites EP-282 is a formulated epoxy resin matrix prepreg with long shelf life. The product has a versatile curing cycle from as low as 80°C or as high as 150°C, thus enabling the product to be used to produce a wide range of composite items, from large structures to numerous small components. EP-282 is a resin film available on a lightweight scrim or without a scrim. The EP-282 resin is compatible with GMS Composites pre-pregs. The resin film has good flow and the tack of EP-282 can be varied.
Product Resources

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Identification & Functionality

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Features & Benefits

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Materials Features
Product Highlights
  • Variable cure cycle 80°C – 150°C.
  • Various weights available
  • Suitable for a range of structures and processes
  • Good shelf life
  • Made in Australia

Applications & Uses

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Applications

EP-282 was designed as a resin film layer, used with EP280 pre-pregs, but can also be used with other GMS Composite prepregs in the range. EP-282 was designed to be used as a film in the construction of sandwich structures. The versatility of EP-282 and EP-280 means large complex structures as well as small basic components can be produced.

Properties

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Cured Properties
ValueUnitsTest Method / Conditions
Flexural Strength at 23°C150 - 160MPaCured neat Formulation Cycle for 10hrs at 90°C
Ultimate Elongation at 23°C6.0 – 8.0%Cured neat Formulation Cycle for 10hrs at 90°C
Flexural Modulus at 23°C3260 - 3500MPaCured neat Formulation Cycle for 10hrs at 90°C
Flexural Strength at 70°C105 - 115MPaCured neat Formulation Cycle for 10hrs at 90°C
Ultimate Elongation at 70°C5.0 – 6.0%Cured neat Formulation Cycle for 10hrs at 90°C
Flexural Modulus at 70°C2650 - 2900MPaCured neat Formulation Cycle for 10hrs at 90°C
Tg (DSC, 10 K/min)104 - 110°CCured neat Formulation Cycle for 10hrs at 90°C

Technical Details & Test Data

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Curing

The versatility of GMS Composites EP-282 means a range of cure cycles, pressures and ramp up rates can be adopted all of which will depend greatly on the part being produced. Below is a guide to cure cycles.

Temperature (°C) Time
80 12 hrs
90 8 hrs
100 4 hrs
110 2 hrs 30mins
120 1 hrs
130 30 min
140 25 mins
150 20 mins
  • Heat ramp up rate – 2°C / min
  • Pressure – 1 bar
Gel Time

Hot plate

Temperature (°C) Time
80 210-240
90 120-160
100 40-60
110 17-25
120 6-10
130 2-5

Values are indicative of small samples of neat resin formulation. Gel times may vary significantly in composites depending on fibre content and laminate thickness.

Storage & Handling

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Handling

Customers should ensure appropriate workplace OH&S guidelines are followed when working with this product. Appropriate measures should be taken to avoid contact with skin and eyes. Avoid inhalation of dust or fumes that may be released or created when machining, cutting or curing.

Shelf Life
  • Room temperature (23°C) > 3 weeks
  • Refrigerated (-18°C) 12 months

Most Viewed Documents

View 1 Document

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Products
Document Name
Learn More
Technical Data Sheet
GMS Composites EP-282
EP-282 Technical Data Sheet
Technical Data Sheet
Products: GMS Composites EP-282
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