Kemesta

 

This document specifies an instrumental method for determining the yellowness index and change in yellowness index on clear, translucent, or opaque plastics.

 

This document specifies methods of measurement for the determination of the dimensions of all types of mattresses, bed frames, divans and bed bases intended for adult size. It also includes recommended tolerances based on any nominal dimension, in order to ensure the correct fit between the bed components. It does not apply to air beds/mattresses and water beds/mattresses, nor to mattress pads that are placed on top of the main support mattress. It does not apply to the dimensions of bed bases for bunk beds and high beds.

 

 

 

This document specifies a method for exposing specimens made from poly(vinyl chloride) (PVC) based profiles to xenon-arc radiation, in order to assess changes in characteristics. It is applicable to PVC based profiles including those covered with foil, paint, thermo-laminated foils or coextruded. NOTE The determination of changes in colour and variations of properties after exposure of PVC based profiles to xenon-arc radiation is described in an informative Annex A.