Perform Concrete Hardness Scratch Test

So here's a simple little tool kit that you might want to have when doing epoxy for is a scratch test kit So scratch test kit is going to tell you whether your epoxy or your Coal grid is hard enough to actually apply any type of coating on it There's different products metals on the ends of your scratch Testors right here brass on one plastic on another You got a two and a three kind of works its way all the way up to an eight your scratch test should be somewhere between a five and a seven Some of this see if it'll scratch with a four didn't scratch with a four This even scratches with a five. It started a scratch with a five. There's a six move up to a six Definitely scratch with a six or someplace between a five or a six scratch test kit says we're good to go to coat this store