from post-industrial or post-consumer recycled sources 2.0 Fiber Principles Apple believes in protecting forests, as they are a crucial resource and compone...

https://www.apple.com/jp/environment/pdf/Apple_Sustainable_Fiber_Specification_April2016.pdf

Restrictions apply to each individual homogeneous material. Intentionally added: Substance deliberately used in the formulation of a material 
 or component...

https://www.apple.com/jp/environment/pdf/Apple_Regulated_Substances_Specification_Sept2018.pdf