Thick Latex is suitable for pouring into moulds. Will dry to a yellowy-clear colour or can be coloured with latex toners. When dry it will form a flexible rubber piece. Powder the piece thoroughly before removing it from the mould as unpowdered latex surfaces will stick to each other. Thick Latex is suitable for pouring into moulds. Will dry to a yellowy-clear colour or can be coloured with latex toners. Use in a well ventilated space as latex contains ammonia as a preservative.