HexPly® M77 80 – 160 °C curing epoxy matrix Product Data Description ® HexPly M77 is a formulated epoxy resin matrix, specifically designed for prepreg applications and short cure cycles. It is a very versatile matrix, allowing a range of processing temperatures from 80°C up to 160°C. ® HexPly M77 is based on a modified epoxy resin. It can be pre-impregnated into carbon, glass or aramid fibres and exhibits a significant long out-life at room temperature. High Toughened epoxy High Excellent tack life Suitable for a range of pressures (1 to 10 bar) Short cure cycle at 120 – 160°C Good surface finish Medium tack and excellent drape Controlled flow for ease of processing Long out-life at room temperature Resin Matrix Properties Tg after 130°@ 15 min: Density: Colour: Viscosity:

Curing Conditions The ideal cure cycle is 7 min at 120°C, at a pressure between 1 and 10 bar. Alternative cure cycles can be used: Temperature 80 90 100 110 120 130 140 150 160 Prepreg Types and Cured Prepreg Mechanical Properties Mechanical Properties are based on 130 °C cure for 10 min, at 5 bar pressure. Product name Prepreg data fabric direction non woven + fleece non woven + fleece non woven + fleece mechanical data

Storage Life 6 weeks 6 months 18 months Precautions for Use The usual precautions when handling uncured synthetic resins and fine fibrous materials should be observed, and a Safety Data Sheet is available for this product. The use of clean disposable inert gloves provides protection for the operator and avoids contamination of material and components. Important All information is believed to be accurate but is given without acceptance of liability. All users should make their own assessment of the suitability of any product for the purposes required. All sales are made subject to our standard...