General Purpose Polyester Resin. This is an inexpensive alternative to other more costly resins. May be a good resin if you are just getting started working with composite materials. The appropriate amount of hardener (DDM-9 MEKP) is included.
LIQUID PROPERTIES | RESULTS |
Viscosity, Brookfield Model LV #3 Spindle @ 60 rpm, 77°F (25°C) | 400-650 cps |
Thixotropic Index | 2.5-3.5 |
100 grams resin @ 77°F (25°C) | |
Mix Ratio | 1.25% DDM-9 by volume |
Gel Time | 18:00-24:00 min |
Peak Exotherm | 280-340°F (138-171°C) |
Maximum HAP Content | 38.4% |
Non-Volatile Content | 50-80% |
* The gel time and reactivity will vary due to the type and concentration of Free Radical Initiator (catalyst), shop temperature, humidity, and type of fillers used. |