In message , Bert
Coules writes
And a more detailed listing of constituents is he

https://www.everbuild.co.uk/wp-conte...rbuild-Stixall
-White-V1.3.pdf

A safe temperature range is given elsewhere but I searched for
limitations at time of use. Perhaps there aren't any:-)

Worked OK overnight so 2 or 3 C not a problem. As you say it is not
brittle hard.


--
Tim Lamb