BS EN 686:2019 pdf free.Resilient floor coverings – Specification for plain and decorative linoleum on a foam backing.
3.1 linoleum product produced by calendering one or more layers of a homogeneous mixture of linoleum cement, cork and/or wood flour, pigments and inorganic fillers containing a fibrous reinforcement and/or a fibrous backing; the product is then converted into its final form by an oxidative curing process
Note 1 to entry: The only chemical crosslinking bondings in linoleum are those which are formed during the oxidation process. 3.2 linoleum cement binder in linoleum, consisting of a mixture of linseed oil and/or other vegetable drying oils, rosin and drying oil catalysts, which is converted to a semi-elastic mass by an oxidative curing process 3.3 linoleum on a foam backing product formed by laminating linoleum on to a foam layer 4 Identification Linoleum shall be identified by its ability to be disintegrated in 0,5 mol/l potassium hydroxide/ methanol solution and by the determination of cement content and ash residue. The minimum amount of linoleum cement shall be 30 % when tested in accordance with EN ISO 26985. The maximum amount of inorganic fller (ash residue) shall be 50 % when tested in accordance with EN ISO 26985.a Before comparing the test piece, expose the reference sample together with the Blue Wool cloth to the xenon arc lamp, until a contrast is produced on Blue Wool Reference 2 equal to the contrast illustrated by Grey Scale 3. This step is necessary to remove the inherent ‘stove yellowing’ of linoleum before the stable colouration is achieved.Plain and decorative linoleum on a foam backing and/or their packaging shall bear the following marking: a) number and date of this European Standard, i.e. EN 686:2019; b) manufacturer’s or supplier’ s identification; c) product name; d) colour/pattern, and batch and roll number; e) classes/symbols appropriate for the product; f) type of foam backing; (for example PU, PE, PVC); g) length, width and nominal thickness.BS EN 686 pdf download.