| EPOXYRESIN | Is Pyrex one manufactured synthetic polymer that's very tough? (5,5) |
| PERSEVERE | Stick with training run that's very tough (9) |
| MANMADE | Manufactured Synthetic fellow (3-4) |
| PIGEONBERRY | Pear drink, big one manufactured in plant |
| MAINSTREAM | Armaments one manufactured in conventional activities |
| MONETISE | Profit from items one manufactured (8) |
| EXPIRY | One captivated by fancy Pyrex in conclusion (6) |
| NYLON | A tough synthetic polymer (5) |
| NEOPRENE | What rubber-like synthetic polymer is commonly used in wetsuits? (8) |
| BOVVERBOOTS | So to rob, be violent, pinching very very tough footwear |
| MARTINET | When mater is splashing around money, he's very tough (8) |
| SPARTAN | For a stretch, incarcerating the man is very tough (7) |
| EXPANDED | Got larger Pyrex pan, dedicated bottles |
| ESPY | Get a look at someone's pyrex dish |
| OVENWARE | Heat-resistant dishes such as Pyrex (8) |
| HEATRESISTANT | Made of Pyrex, for example (4-9) |
| ELASTOMER | Natural or synthetic polymer able to resume its original shape when a deforming force is removed; neoprene, rubber, silicone etc. (9) |
| PVC | Synthetic polymer accidentally created in 1872 by Eugen Baumann |
| EPOXY | Synthetic polymer used in adhesives, paints, etc |
| RESIN | After temperature's dropped, insert synthetic polymer |