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GP® 7648 Resin

A waterborne resin developed for use in the manufacture of FRP, specifically for honeycomb and prepreg that meets the requirements of Military Specification MIL-R-9299C. The product is formulated to provide low smoke generation, flame resistance and strength as well as fire resistance.


Air conditioning and mining ventilation, Aircraft interiors, Composites, Fiber-reinforced polymers, Fire-safe construction materials, High-temperature applications, Honeycomb, Laminates, Prepreg

Product Composition

Phenol-formaldehyde resole


Amber to brown liquid

Typical Properties
Non-Volatiles, %
64 -68
Viscosity @ 25°C, cps
100 – 200
8.4 - 8.8
Hot Plate Stroke Cure @ 150°C, seconds
100 -150
Free Formaldehyde, %
1.5 maximum


Drums and bulk quantities

Storage and Handling

GP® 7648 resin should be used in areas with good ventilation. Storage life for the resin at 40°F (5°C) is 3 months. The resin should be brought to room temperature and mixed well prior to use.

The information and technical data herein is believed to be accurate. It is offered for your consideration, investigation and verification. Buyer assumes all risk of use, storage and handling of the product. NO WARRANTY, EXPRESS OR IMPLIED, IS MADE INCLUDING, BUT NOT LIMITED TO, IMPLIED WARRANTIES OF MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE WHICH ARE SPECIFICALLY EXCLUDED. Nothing contained herein shall be construed as a license to operate under or recommendation to infringe any patents.

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