Temperatures at Which Irreversible Strips are Available
Also Available: custom strip manufacture, low temperature indicators, temperature indicating inks, thermal melt crayons, and color change crayons
| °C °F | °C °F |
| 29/84 | 132/270 |
| 33/91 | 138/280 |
| 34/93 | 143/289 |
| 37/99 | 149/300 |
| 40/104 | 154/309 |
| 42/108 | 160/320 |
| 43/109 | 166/331 |
| 44/111 | 171/340 |
| 46/115 | 177/351 |
| 49/120 | 182/360 |
| 54/129 | 188/370 |
| 60/140 | 193/379 |
| 62/144 | 199/390 |
| 65/149 | 204/399 |
| 71/160 | 210/410 |
| 77/171 | 216/421 |
| 82/180 | 224/435 |
| 88/190 | 323/450 |
| 93/199 | 241/466 |
| 99/210 | 249/480 |
| 104/219 | 254/489 |
| 110/230 | 260/500 |
| 116/241 | 280/536 |
| 121/250 | 290/554 |
| 127/261 |