Composimold lt original for mould making composimold cmlt40 this tub of composimold lt is a 100 reusable mould making material that works by melting and pouring many casts can be made using the same mould making it ideal for mould makers and craft artists as it can be reused to make different moulds without wasting any mould making material composimold is excellent for those wanting to learn and become involved in sculpting modelling and mould making as its flexible rubbery thermo