Detail of LY/T 2880-2017

Introduction of LY/T 2880-2017

Codeofchina.com is in charge of this English translation. In case of any doubt about the English translation, the Chinese original shall be considered authoritative. This standard is developed in accordance with the rules given in GB/T 1.1-2009. Attention is drawn to the possibility that some of the elements of this document may be the subject of patent rights. The issuance organization of this standard shall not be held responsible for identifying any or all such patent rights. This standard was proposed by Hubei Provincial Department of Forestry. This standard is under the jurisdiction of the National Technical Committee 198 on Wood-based Panels of Standardization Administration of China (SAC/TC 198). Laminated flooring based on oriented strand board 1 Scope This standard specifies the terms and definitions, classification, requirements, inspection methods, inspection rules as well as marking, packaging, transportation and storage of laminated flooring based on oriented strand board. This standard is applicable to laminated flooring based on oriented strand board. 2 Normative references The following documents are essential for the application of this Standard. For the dated normative references, only the dated editions are applicable to this document. For undated references, the latest edition (including having amendments) applies to this document. GB/T 2828.1-2012 Sampling procedures for inspection by attributes - Part 1: Sampling schemes indexed by acceptance quality limit (AQL) for lot-by-lot inspection GB/T 15102-2006 Surface decorated wood-based panels with paper impregnated thermosetting resins GB/T 17657-2013 Test methods of evaluating the properties of wood-based panels and surface decorated wood-based panels GB/T 18102-2007 Laminate flooring GB/T 18103-2013 Engineered wood flooring GB/T 18259-2009 Terminology for wood-based panels and their surface decoration GB 18580 Indoor decorating and refurbishing materials - Limit of formaldehyde emission of wood-based panels and finishing products 3 Terms and definitions For the purpose of this standard, the terms and definitions established in GB/T 18259-2009 and GB/T 18102-2007 and the following one apply. 3.1 laminated flooring based on oriented strand board hot-press formed flooring based on oriented strand board, that impregnated decorating paper and impregnated wear-resistant overlay are paved on tight side after compregnated fiber board or other material is applied and balanced laminate is applied on loose side 4 Classification 4.1 By uses a) Commercial laminated flooring based on oriented strand board; b) Class I household laminated flooring based on oriented strand board; c) Class II household laminated flooring based on oriented strand board; 4.2 By surface shapes a) Laminated flooring based on oriented strand board with embossed impregnated paper; b) Laminated flooring based on oriented strand board with glossy impregnated paper. 5 Requirements 5.1 Appearance quality 5.1.1 By appearance quality, the product is divided into the superior product and the acceptable product. 5.1.2 Appearance quality of the product shall meet the requirements of Table 1. Table 1 Appearance quality requirements Defect Tight side Loose side Superior product Acceptable product Milky spot, haze Not allowed The total area is not more than 3% of the flooring/veneer surface area Allowed Surface scratch Not allowed Base material is not allowed to be exposed Surface imprint Not allowed Pervious spot Not allowed Gloss unevenness Not allowed The total area is not more than 3% of the flooring/veneer surface area Allowed Spots Not allowed ≤10 mm2, 1 point per pcs. allowed Allowed Blister Not allowed ≤10 mm2, 1 point per pcs. allowed Inclusions Not allowed ≤10 mm2, 1 point per pcs. allowed Tearing of impregnated paper Not allowed ≤100mm, 1 point per pcs. allowed Bare substrate spots due to defective surface covering Not allowed ≤20 mm2, 1 point per pcs. allowed Dents Allowed, but not affecting decorative effect Allowed Color mismatching Apparent color mismatching not allowed Allowed Fissure Not allowed Delamination Not allowed Tongue Not allowed Edge and corner breakage Not allowed 5.2 Specification/dimension and its deviation 5.2.1 Specification/dimension Specification/dimensions of the product shall meet the following requirements: a) Sheet: (600 mm ~ 2430 mm) × (60 mm ~ 600 mm); b) Thickness: 8mm ~ 18mm; c) Tongue width: ≥3mm; d) Special requirement, if raised by the purchaser, shall be agreed by the supplier and the purchaser. 5.2.2 Deviation of thickness Deviation of thickness of the product shall meet the requirements of Table 2.

Contents of LY/T 2880-2017

Foreword i 1 Scope 2 Normative references 3 Terms and definitions 4 Classification 4.1 Classification by use 4.2 Classification by surface shape 5 Requirements 5.1 Appearance quality 5.2 Dimension and deviation 5.3 Physical and chemical properties 6 Inspection method 6.1 Appearance quality inspection 6.2 Specification/dimension inspection 6.3 Inspection on physical and chemical properties 7 Inspection rules 7.1 Inspection classification 7.2 Batching rules 7.3 Sampling plan and judgement rules 7.4 Comprehensive judgment 8 Marking, packaging, transport and storage 8.1 Marking 8.2 Packaging 8.3 Transport and storage