In industry, processing of bark chips is often separated after peeling the logs due to different chemical properties.

Wood pulp

Only the heartwood and sapwood are useful for making pulp. Bark contains relatively few useful fibres and is removed and used as fuel to provide steam for use in the pulp mill. Most pulping processes require that the wood be chipped and screened to provide uniform sized chips.

Mulch

Woodchips are also used as landscaping and garden mulch,

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