In the case of wood treated with CCA, vacuum pressure impregnation (VPI) shall be used. The concentration and treatment time of the treatment fluid shall be adjusted and varied in accordance with the following factors: target retention, all required penetration depths, timber species , Treatment methods, wood moisture content.
CCA wood preservative has been used in the world for more than 100 years, there have been CCA wood processing eighty-year decay case, its effect is beyond question. CCA is divided into several models and categories, I produced CCA Oxide Type C or C-type oxide, the best of all models, in line with the American Wood Protection Association (AWPA) standards P5-02 Type C, at the same time Also in line with Australia Standard, British Standard, Malaysian Standard and New Zealand Standard.
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