Durability of wood and wood-based products. Efficacy of preventive wood preservatives as determined by biological tests - Specification according to use class1 Scope This part of EN 599 specifies for each of the five use classes defined in EN 3351, the biological tests required for evaluating the efficacy of wood preservatives for the preventive treatment of solid timber, together with the minimum ageing tests required for the respective use class. It provides the method for calculating the critical value of a preservative. The critical value is the value that shall be used to calculate the recommended

2 Determination of tearing energy

BS EN 50470‑2 on electricity metering equipment is useful for:

It is vital that these measures are selected

preparation of the test sample

and inspection need to be clearly defined

Why should you use BS EN 13069 – Outer walls of system chimneys

unexpected operational changes

BS EN 62024-2:2009 High frequency inductive components

BS EN 16087 is a European standard on the influence of metallic materials on water intended for human consumption that discusses the dynamic rig test for assessment of surface coatings with nickel layers to ensure water is safe for human consumption

Detect unacceptably high or low temperatures

Who is BS EN 14420-5 - Threaded connection for

Gears are used to transfer motion and torque between machine components in mechanical devices