ČSN EN 20-1 (490688)

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

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STANDARD published on 1.6.2024


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The information about the standard:

Designation standards: ČSN EN 20-1
Classification mark: 490688
Catalog number: 519071
Publication date standards: 1.6.2024
SKU: NS-1186168
The number of pages: 28
Approximate weight : 84 g (0.19 lbs)
Country: Czech technical standard
Category: Technical standards ČSN

The category - similar standards:

Wood-protecting chemicals

Annotation of standard text ČSN EN 20-1 (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) 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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