MCQOPTIONS
Saved Bookmarks
| 1. |
How should the temperature be kept to prevent premature gelation of of polyimides? |
| A. | 30-40 C |
| B. | 60-80 C |
| C. | 55-65 C |
| D. | 50-55 C |
| Answer» B. 60-80 C | |