which represents 50% of the global market for wood preservatives, is estimated to be 79,000 tonnes 5. The new nano-copper preservatives compete with treatments that contain dissolved or complexed ...

AWPA Standard, E10, Standard Method of Testing Wood Preservatives by Laboratory Soil-Block Cultures. Also, ASTM D1413 and WDMA TM-1. The soil block decay test is a highly standardized means for ...

This circumstance led to experiments to ascertain the preservative nature of coal tar. More than fifty years ago W. H. Hyett and others impregnated wood with gas tar, and reported that cuch wood ...

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