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WP / "HSM"

WP / "HSM" is the abbreviation for wood preservative. In principle, wood preservatives can be differentiated into::

  • solvent-containing WP / HSM (active substances including PCP, lindane, DDT)
  • WP / HSM containing coal tar, e.g. tar oils (active substance: PAH)
  • water-soluble WP / HSM based on salts (with inorganic active substances: mercury, arsenic, boron, chrome, fluoride, copper, zinc)

Vor allem tragende Holzbauteile (Dachbalken, etc.) mussten in der BRD bis Ende der 1980er Jahre und in der ehemaligen DDR bis 1990 mit einem chemischen Holzschutz behandelt werden.

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