Liquid Polymer ClayLiquid clay can be used in a number of interesting applications, either on their own, in combination with regular polymer clay, or in conjunction with other media.polymer clay liquid,So, you have liquid polymer clay. Now what ? | Polyclay CornerMay 23, 2015 . Liquid polymer clay is more than just a bonding agent for 2 pieces of baked polymer clay or attaching finding. It can be used to do image.