This part of the EN 20 series specifies a method for the determination of the protective effectiveness or the toxic values of a wood preservative against infection by Lyctus brunneus (Stephens) in wood which has been treated previously by full impregantion.
This method is applicable to:
- water-insoluble chemicals which are being studied as active insecticides; or
- organic formulsation, as supplied or as prepared in the laboratory by dilution of concentrates.
This method is applicable to water-based preservatives.
NOTE - This method can be used in conjuction with ageing procedures, which do not remove the added nutrient.
Označení | ČSN EN 20-2 (490688) |
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Katalogové číslo | 519070 |
Cena | 340 Kč340 |
Datum schválení | 1. 6. 2024 |
Datum účinnosti | 1. 7. 2024 |
Jazyk | angličtina (obsahuje pouze anglický originál) |
Počet stran | 28 stran formátu A4 |
EAN kód | 8596135190706 |
Tato norma nahradila | ČSN EN 20-2 (490688) z června 1996 |
Dostupnost | skladem (tisk na počkání) |
ČSN EN 20-1 (490688)
Ochranné prostředky na dřevo - Stanovení preventivního účinku proti Lyctus brunneus (Stephens) - Část 1: Aplikace povrchovou impregnací (Laboratorní metoda)