Wood preservatives - Determination of the protective effectiveness against Lyctus brunneus (Stephens) - Part 2: Application by impregnation (Laboratory method)

Informationen über die Norm:

Bezeichnung normen: ČSN EN 20-2
Zeichen: 490688
Katalog-Nummer: 519070
Ausgabedatum normen: 1.6.2024
Zahl der Seiten: 28
Gewicht ca.: 84 g (0.19 Pfund)
Land: Tschechische technische Norm
Kategorie: Technische Normen ČSN

Die Annotation des Normtextes ČSN EN 20-2 (490688):

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