How a glassworks locks recycled cullet for five years
The quality clause, the volume band, and the price that moves with gas.
Provided by Pietra Materials
By Elena Pietra · Pietra Materials
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The furnace needs a steady mix. A spot cargo of cullet is useless if the colour or the contaminant load changes every month.
The contracts that last name the specification, a volume band, and a price indexed to energy. A fixed price for five years does not survive the first winter.
