On 10/09/2020 22:07, Stephen Duppe wrote:
Zinsser's "123"
Sorry, don't know. I would talk to them.
"To contact the Technical Support Team, call 0191 411 3166 or email
. Data sheets for each of the Zinsser
products can be found in the products section of this site"
( https://www.zinsseruk.com/technical-support/ )