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Park Aerospace E-763 7781 E-Glass

Park’s E-763 is a modified epoxy system with a nominal 250°F cure temperature. E-763 provides a transparent resin surface on the finished part which gives finished part surfaces a cosmetically attractive finish.

Polymer Name: Epoxy Resins & Compounds

Functions: Prepreg

Reinforcement Material: Glass Fibers

Processing Methods: Compression Molding, Out of Autoclave Prepreg, Prepreg Processing

Technical Data Sheet

Enhanced TDS

Knowde-enriched technical product data sheet

Identification & Functionality

Chemical Family
Epoxy & Epoxy Derivatives
Polymer Name
Epoxy Resins & Compounds
Reinforcement Material
Glass Fibers
Composite Materials Functions
Prepreg
Technologies
Composite Materials
Product Families
Composite Materials — Prepregs & Molding Compounds
Thermoset Prepregs

Features & Benefits

Key Features & Benefits
  • Good low pressure consolidation
  • Excellent handling characteristics and out-time
  • Clear surface finish for excellent cosmetic appearance on finished parts
  • 250°F cure epoxy system
  • Flame retardant, meets the requirements of US D.O.T. FMVSS 302
Product Forms
  • Available on a wide variety of reinforcements including fiberglass and graphite
  • Solution coated fabrics up to 60 inches wide
  • Compatible with Autoclave, Vacuum/Oven Cure or Press Molding processes

Applications & Uses

Markets
Consumer Goods
Applications
Consumer Goods — Sports & Recreation
Composites Processing Methods
Compression Molding,
Out of Autoclave Prepreg,
Prepreg Processing
Applications / Qualifications
  • Specialty
  • Recreational
Vacuum/Oven Cure Cycle
  • Apply 24”Hg vacuum (minimum) for 1 hour before beginning heat cycle
  • Raise product temperature from RT to 250-260°F at 5 – 9°F/min
  • Hold product at cure temperature for 60 – 90 minutes
  • Cool product to 150°F at no more than 8°F/min

Properties

Physical Properties
ValueUnitsTest Method / Conditions
Prepreg Resin Content36 - 44%-
Resin Flow (275°F, 15 psi) 7 -21%-
Volatiles (275°F, 8 min) max. 1.5%-
Gel Time2 - 6Seconds-
Mechanical Properties
ValueUnitsTest Method / Conditions
Tensile Strength - Dry (75°F) 62KsiASTM-D-3039
Tensile Modulus - Dry (75°F) 3.7MsiASTM-D-3039
Compressive Strength - Dry (250°F)75KsiASTM-D-695
Compressive Strength - Dry (160°F) 60KsiASTM-D-695
Compressive Modulus - Dry (70°F )3.7MsiASTM-D-695
Compressive Modulus - Dry (160°F )3.4MsiASTM-D-695
Flexural Strength - Dry (75°F)96KsiASTM-D-790
Flexural Strength - Dry (160°F)86KsiASTM-D-790
Flexural Modulus - Dry (75°F)3.4MsiASTM-D-790
Flexural Modulus - Dry (160°F)3.4MsiASTM-D-790
Short-Beam Shear Stength - Dry (75°F) 9.1KsiASTM-D-2344
Short-Beam Shear Stength - Dry (160°F) 7.3KsiASTM-D-2344

Regulatory & Compliance

Quality Standards
FMVSS 302

Storage & Handling

Prepreg Storage Life
  • Out Life: 30 days @ 75°F
  • Shelf Life: 6 months @ 0°F