Zhermack ZA 22 Mould Blauw – Blauwe Platina additiesilicone voor Matrijzenbouw & Beton Make your choice:10 kg set GRS HYDRACAST Cre'Art is a Color:Grey GRS HYDRACAST Cre'Art is a fine grained refractory investment for the art world has a medium hardness of Shore A 37 and a mixed viscosity of approx Working time 15 minutes and curing time 90 minutes at 23 °C Wacker Elastosil M 4670 or Wacker Elastosil Vario 40