For sure temperature of the product affects its working time, pot life, open time - call it what you like. Colder delays it, hotter speeds it up....
Standard unmodified screeds will typically dry at the rate of 1 day per mm, so for a 75mm screed that's 75 days. That can be speeded up by...
Guide Dogs For The Blind use Ronafix Mix B granite polymer screed, min. 15mm deep. Resistant to water, urine, washing down, and the roughish...