Park Fiberglass Prepregs

Prepregs are fiberglass fabrics that are pre-impregnated with epoxy resin for ease of processing and handling. Shipped frozen and must be kept frozen until ready to use. Heat cured between 180 and 250F to produce the completed laminate part. Commonly used for aircraft interiors, radomes, secondary aircraft structures, and sandwich panels.

408310 Epoxy resin with style 7781 E-glass fiberglass cloth
- 8.95 ounces/square yard
- 39% Resin content
- 0.009 thick
- FAR 25.853 compliant for flame ret ardency
- 15 day tack life at 70F
- 30 day out life at 70F

Due to vendor restrictions, this product may not available in all geographical areas. Please call us or request a quote for details.

SKU Description   UM Thick Width Length Height Board ft. Net Wt. Diameter Grade Grit Plys Radius SPB Ship Note Min. Qty Pcs/Box Pcs/Bundle Winding Ft/Box Handle Len Head Diam Head Len Mfg. # Qty
408310 E-761 Epoxy Prepreg 7781 SO YD .009" 50" 75 YD
408320 E-761 Epoxy Prepreg 7781 SO YD 38"
408321 E-761 Epoxy Prepreg 7781 SO YD 50"
408323 E-765-S Epoxy Prepreg Gallon (Resin Only) SO GL
408312 E-761 Epoxy Prepreg 7781 (Double Poly) SO YD 50"

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Important Information

  • Shipping: Freeman charges standard published UPS/FedEx shipping rates (unless freight is specified). All orders under $25 are subject to a $5 small order fee. International orders are subject to a $250 minimum order.

  • Liquid products are sold by weight, not volume.

  • SPB = Sheets per Box

  • HAZ-G = Hazardous material, cannot ship air, up to $33 surcharge applied for each package shipped ground within the US.

  • HAZ-A = Hazardous material, cannot ship air, no surcharge for ground shipping.

  • HAZ-T = Toxic material, must be sent by freight carrier.

  • FRT = must be sent by freight carrier due to size, weight, or hazardous classification.

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Minimum quantities and extended lead times may apply. Cannot be cancelled or returned once processed.


This item is not stocked in Freeman warehouses and may be subject to extended lead times.

  Limited Stock

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  Closeout Item

Available at special pricing on our closeout list. Subject to prior sale.

  Web Discounts

Item is discounted for quotes or orders completed on the website only.

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