MCQOPTIONS
Saved Bookmarks
MCQOPTIONS
| 1. |
What approx proportion of third diene monomer is added to produce EPDM rubber? |
| A. | t9-10% |
| B. | t4-5% |
| C. | t19-20% |
| D. | t12-15% |
| Answer» C. t19-20% | |