Typical Application
Luperox® DDM-9-DR was compared with both colorless and permanent red formulations in the 75°F SPI Gel-Cure Test using promoted, commercially available, unsaturated polyester resin and 2.0 phr initiator. The results are presented in the table below and show the comparable performance of DR and permanent red formulations.
| Initiator |
Gel Time
(min) |
Gel-to-Cure time
(min) |
Cure time
(min) |
Peak Temp
(°F) |
Barcol Hardness |
| DDM-9-DR |
36.1 |
8.4 |
44.5 |
245 |
25-30 |
| DDM-9 Red |
35.9 |
8.9 |
44.8 |
245 |
20-25 |
| DDM-9 |
35.0 |
9.3 |
44.3 |
249 |
20-30 |
| 
Twitter
Facebook
