Latest 8 cavities shape PC Polycarbonate plastic sugarcraft mold for chocolate bake supplies Polycarbonate chocolate mould, ideal for professional (or budding) chocolatiers. Polycarbonate chocolate moulds are tough, strong and rigid. This makes them ideal for making filled chocolates. Even better - you can stack several one on top of each other in the fridge without causing damage to the chocolates in moulds below. Fill the cells with tempered chocolate. Tip out excess chocolate and then remove any excess chocolate from the surface using a bench scraper.