T/CNFPIA 3010-2020 Polypropylene-coated Veneered Solid Wood Combo Flooring

Scope

Scope: This document specifies the terms and definitions, requirements, test methods, inspection rules, and marking, packaging, transportation, and storage for polypropylene film-coated engineered wood flooring. This document applies to indoor general-purpose polypropylene film-coated engineered wood flooring. Main technical content: 3. Terms and definitions The terms and definitions defined in GB/T 18259-2018 and the following terms and definitions apply to this document. 3.1 Polypropylene film-coated engineered wood flooring A type of engineered wood flooring made from plywood as the base material, with a polypropylene film coated on the surface. 4. Requirements 4.1 Grading The products are graded into superior, first-class, and qualified grades based on their appearance quality. T/CNFPIA 3010—2020 4.2 Specifications and tolerances 4.2.1 Specifications a) Length: 300~2400 mm; b) Width: 60~200 mm; c) Thickness: 10~18 mm. Products with other dimensions can be produced upon agreement between the supplier and the buyer. 4.2.2 Dimensional tolerances The dimensional tolerances shall comply with Table 1. Table 1 Dimensional tolerances requirements Defect Name Surface Superior Grade First-Class Grade Qualified Grade Uneven color Not allowed Minor Not obvious Bubbles and bulges Not allowed Not allowed Minor wrinkles Not allowed Minor Not obvious Defects Not allowed Minor, no more than one per board surface Not obvious, no more than two per board surface Pollution Not allowed Minor, no more than one per board surface Scratches Not allowed Maximum area not exceeding 15 mm2, no more than three per board surface Scratches Not allowed Maximum length not exceeding 75 mm per board Items Requirements Thickness tolerance The absolute value of the difference between the nominal thickness tn and the average thickness ta shall not exceed 0.5 mm. The difference between the maximum thic

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