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) when the product is applied as a surface treatment to wood.
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; or
- organic water-dispersible formulations as supplied or as prepared in the laboratory by dilution of concentrates; or
- water-based preservatives, for example salts.
NOTE - This method can be used in conjuction with ageing procedures, which do not remove the added nutrient.
Označení | ČSN EN 20-1 (490688) |
---|---|
Katalogové číslo | 519071 |
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 | 8596135190713 |
Tato norma nahradila | ČSN EN 20-1 (490688) z března 1994 |
Dostupnost | skladem (tisk na počkání) |
ČSN EN 20-2 (490688)
Ochranné prostředky na dřevo - Stanovení preventivního účinku proti Lyctus brunneus (Stephens) - Část 2: Aplikace impregnací (Laboratorní metoda)