hellp i'm student from ThailandI want to ask you about tochromic Dye1. how much? 1 gram2.this tochromic Dye can change with UV Sun Light ?3.Have you more color ?4.can i mix with water ? because i have to dyeing with Fabric.If you can't find more Buying Leads related to your items, why not post your Selling Leads and Products instead?