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) |
|---|---|
| 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)