A useful flexible moulding material for making casts of missing flowers, handles, hands, arms, and feet in china restoration. It can also be used for larger items, but in this case must be backed up with bandages to reduce its considerable shrinkage and to prevent its tearing. In most cases a release coat (soap, talc etc.) is recommended. If a bronze object is to remoulded, 1% thio-urea (in form of a 10% aqueous solution) should be added to the latex to prevent the ammonia in the latex from reacting with the copper.