Where did you get the slab of glass? Would one be able to use a Pyrex rectangular baking dish, I saw one in Walmart the other day, by turning the dish upside down and mixing the chemicals on the bottom of the dish?
I am puzzled by these zinc phosphate videos. Glass is a great INSULATOR (inhibits the transmission of heat). That would make it just about the WORST material to draw heat away from an exothermic reaction. Seems to me they should use a block of metal, ceramic, or marble. Then after getting the cement prepared, how long is it workable? How long until it cures? Can it be applied to a wet surface? Can the excess be removed easily?
They react in seconds. Depends heavly on thickness. We harden our mixes in 1h. When the mix comes dry out the spice dryer, it can be heatet up to 100°C for 2min and it is as hard as it gets. No water will bring in a dis-balance into the chemical mix. Go checkout "phosphate geopolymers" because they are more workable.
they generate heat (exothermic property) which will make them sets faster if you add all powder one short. And therefore, the working time will be shorter. So if you add by increments, lesser heat generated compared to like mixing all the powder together.
Thanks for the uneducated opinion and proof of why it is wrong. Only thing I see wrong is your lack of knowledge in how to make a useful comment. RIGHT!
