Also, the relevant factor is not just temperature--it's a combination of time and temperature. For milk, you can do 1-2 seconds at 135C (UHT), 15 sec at 72C (HT

Also, the relevant factor is not just temperature--it's a combination of time and temperature. For milk, you can do 1-2 seconds at 135C (UHT), 15 sec at 72C (HTST), or something like 20 min at 60C.