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Tappers

Crude Wood or Exudates is collected from incisions (tappers) made in the tree trunk which is then distilled into terpenes and rosin (gum rosin & terpenes). This process is seasonal and highly labour intensive. This process if the primary production process used in China and ROW.
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Solvent Extraction

Pine chemicals are extracted using petroleum-based solvents such as hexane and then distilled to separate terpenes and rosin (wood rosin & terpenes)
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Crude Tall Oil

A byproduct of the pulp making process, is fractionated to produce rosin and terpenes (tall oil rosin & terpenes) whilst CTO is renewable it is an environmentally unfriendly process as it creates serious waste streams with potentially harmful impacts.
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