Try our re-instated info resource - "Aladdin's Cave" (Main menu)- sorry it's taken so long to fix
I use a PVC dip You dip, let it drain, then heat in an oven till it cures. You can apply multiple layers if necessary. Trouble is I got it from a rubber/plastic company I worked for a few years back. I will try and investigate though, although the company is long gone.