Page 35 - Shaping our Sustainable Future
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 Useful Environmental Paper Manufacturing Terms
ECF
Paper that is declared as ECF or Elemental Chlorine Free, has been bleached using chlorine dioxide rather than the chlorine gas bleaching method which is less environmentally acceptable. None of the Blake products are ECF.
TCF
TCF or Totally Chlorine Free paper has been bleached using the most environmentally acceptable method of bleaching, with hydrogen peroxide instead of chlorine. The effluents released during this method are significantly less than those of ECF paper.
All of Blake’s paper is TCF.
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