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Re-using shredded old silicone moulds in new moulds

This tip from David Neat was forwarded to us by Jamilla Peeters. Old silicone moulds can be shredded and used as filler in fresh silicone moulds, which reduces the amount of new silicone needed. This does not only reduce waste but saves you money. Tip: If this is done though, the first layer of silicone coating for the prototype object should be unfilled so that all of the surface detail is caught. 

Source: David Neat (tip and photos), click here for more mould-making tips

Do you have any questions about this tip or would like to share your experience and adapted version of it? Please let us know in the comments below.

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Sustainability in Conservation is an online network providing resources and information about environmentally responsible practices  in art conservation and related fields. Within a practice that produces so much waste, we hope to inspire collaboration and awareness to make cultural heritage a more sustainable profession. 

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