For those that want to go to the absolute limit with their moulds, you may need to apply a layer of PVA Release Agent.
This product is really quite incredible and can only really be described as ‘paint on cling film’, applied as a liquid, this fast curing product becomes a thin film offering complete separation between your mould and your poured article.
Normally applied over 'Norski Mould Release Wax' this product is best applied with a spray bottle, however can be applied with a cloth or sponge, leave to cure (approx 1 hour) and then carry out your pour.