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A mould must now be made from the original, this is made of rubber. A mould frame is half packed with unvulcanised rubber. The model is then placed on the rubber, with the sprue running to an edge. More rubber is now packed on top of the model and a metal plate is placed on top.

Now the mould frame packed with un - vulcanised rubber is placed in a pre heated vulcanising press. The press is tightened and the heat and pressure melts the rubber ensuring it goes into every detail of the model.

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Sterling silver charms ajhjewellery.com Manchester England