| Although most of the glass produced throughout the world is made from silica sand, soda ash and limestone, there are physical variances among the different types of commercial glass produced. Container glass has a specific glass formulation that is different from all other types of glass. As a result, only container glass can be used when recycling it back into new glass containers.
In some recycling programmes in Canada, people mistakenly put window glass, drinking glass, crystal, laboratory glass and other glass in a container glass recycling programme. These are contaminants that cause quality problems for processors and add unnecessary cost to recycling programme operators. Consumers Glass, Canada's only manufacturer, hopes that the information provided on this site will help Canadians understand how to eliminate these problems and make container glass recycling a sustainable process.
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