It warned that export markets for glass that cannot be made into new containers in the UK "may not be able to accept the increases predicted in the long-term".
In the same week that financial advisers Grant Thornton criticised the climate change credentials of grinding waste glass into sand-based products (see letsrecycle.com story), Recycling Action Yorkshire (RAY) has supported the process.
Research commissioned by RAY, part of development agency Yorkshire Forward, said grinding recycled glass for use in water filters, bricks and other construction products will be "key to future growth in glass recycling".
The report was produced by Glass Technology Services, the independent technical arm of the glass container industry association, British Glass.
The research concluded that the main barrier to increased production of alternative glass products has been the processing costs relative to value.
Traditionally, costs for grinding glass were calculated assuming only one size fraction is produced for a specific application. The RAY report suggests better financial returns for companies making a range of particle size for use in multiple markets.
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