ČSN EN 20-1

Wood preservatives - Determination of the protective effectiveness against Lyctus brunneus (Stephens) - Part 1: Application by surface treatment (laboratory method)

Verfügbare Sprachen: Englisch

Verfügbare Ausführung: Gedruckt

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Detailinformationen

Bezeichnung: ČSN EN 20-1

Ausgabedatum: 01.06.2024

Seiten: 28

Land: Tschechische technische Norm

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Annotation

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

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