BS EN 46-2:2016

What is BS EN 46-2- Wood preservatives about?  

BS EN 46 discusses wood preservatives. BS EN 46-2 is the second part of BS EN 46 multi-series and discusses the determination of the preventive action against recently hatched larvae of Hylotrupes bajulus,ovicidal effect.   

BS EN 46-2 specifies a method for the determination of the preventive action of a wood preservative against eggs of Hylotrupes bajulus (Linnaeus) when the preservative is applied as a surface treatment to wood.  

This method is applicable to: 

• Water-insoluble chemicals which are being studied as active insecticides 
• Organic formulations, as supplied or as prepared in the laboratory by dilution of concentrates 
• Organic water-dispersible formulations as supplied or as prepared in the laboratory by dilution of concentrates 
• And water-soluble materials, for example, salts 

Note: The method is applicable whether the test specimens have been subjected to appropriate ageing procedures. 

Who is BS EN 46-2- Wood preservatives for? 

BS EN 46-2 on wood preservatives is useful for: 

• Wooden furniture manufacturers  
• Manufacturers using wood as raw materials  
• Wooden products suppliers 
• Testing laboratories  
• Quality control personnel  

Why should you use BS EN 46-2 - Wood preservatives?  

BS EN 46-2 provides you with a laboratory method of test which gives a basis for the assessment of the preventive action of a wood preservative when applied as a surface treatment for timber, against eggs of Hylotrupes bajulus. 

BS EN 46-2 provides a means of checking whether larvae may hatch from eggs laid on the treated wood surface and whether they are capable of boring through the treated surface and of surviving in the untreated part of the wood. BS EN 46-2 provides information for the sealing of all but one lateral face when specimens are to be treated by dipping. 

What’s changed since the last update?  

BS EN 46-2:2016 supersedes BS EN 46-2:2009 which is withdrawn. BS EN 46-2:2016 includes some technical changes with respect to BS EN 46-2:2009. These include: 

• Introduction of new harmonised specifications for wood quality 
• Option to omit control test specimens treated with the solvent or diluents only when the solvent or diluents is the water of drinking quality