T/CNFPIA 3039-2024 Dipped paper-finished ultra-thin fiber board

Scope

Scope: This document defines the terms and definitions of ultra-thin fiberboard with impregnated paper decoration, describes the inspection methods, and stipulates the requirements, inspection rules, marking, packaging, transportation, and storage. This document applies to the production, trade, and quality inspection of ultra-thin fiberboard with impregnated paper decoration. Main technical content: 4. Requirements: Ultra-thin fiberboard with impregnated paper decoration shall meet the provisions of LY/T 3411-2004. 4.1 Appearance quality: The appearance quality of ultra-thin fiberboard with impregnated paper decoration shall comply with the provisions of GB/T 34722-2017. The appearance quality of undecorated ultra-thin fiberboard with impregnated paper decoration shall meet the requirements of LY/T 3411-2004. 4.2 Specifications and dimensions: The dimensions and tolerances of ultra-thin fiberboard with impregnated paper decoration shall comply with the provisions of Table 1. Products with other dimensions can be produced upon agreement between the supplier and the buyer. Table 1: Dimension and tolerance requirements for ultra-thin fiberboard with impregnated paper decoration Unit Allowable deviation Length and width mm/m ±2.00 Thickness mm ±0.05 Verticality mm/m ≤2.00 Flatness mm/m ≤14.00 4.3 Physical and chemical properties: The physical and chemical properties of ultra-thin fiberboard with impregnated paper decoration shall comply with the provisions of Table 2. Table 2: Requirements for physical and chemical properties of ultra-thin fiberboard with impregnated paper decoration Test item Unit Requirements Thickness ≤1.0mm 1.0mm < 1.5mm Moisture content 3% to 13.0% Density ≥0.80 g/cm3 Density deviation ±5.0% Interior bond strength ≥1.20 MPa Water absorption thickness expansion ≤30.0% Water absorption rate ≤50.0% ≤60.0% Surface resistance to cold and heat cycles: no cracks, bubbles,

Development Information

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