Flong

Temporary negative paper mould made from an impression

In relief printing, a flong is a temporary negative paper mould made from an impression in a forme of set type or other relief matter, such as printing blocks. A flong is an intermediate step used to cast a metal stereotype which can be used in letterpress printing on either flat-bed or rotary press. After the flong is made, the original type can be distributed or melted-down. A flong is part of the stereotype process.

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