by reducing waste 100 % 47.4 % 32.5 % 9128295 Lens mass-balanced** PC Hard components of side arms from recycled material from post-consumer recycled material (PCR) Soft components of side arms Paper for instruction manuals › 60 percent reduction Packaging units › increase from 5 to 10 pairs of spectacles reduces packaging material and causes less waste ** Mass-balanced products are products whose production has been proven to use bio-based raw materials or primary products within a specified scope and without biogenic carbon being reliably detectable in the final product. Mass balancing is a bookkeeping method (e.g. for the proportion of recycled materials) for recording and tracking the mass flows of plastics along the entire value creation chain. In this process, fossil-based raw materials are replaced during production, for example through the replacement of CO2, biomass or secondary raw materials from chemical recycling. Since the mass-balanced approach is a bookkeeping method, the exact proportion of recycled materials in the product cannot be determined exactly. 15
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