T/LBIA 001-2020 Qingyuan bamboo and wood public chopsticks

Scope

Scope: This standard specifies the terms and definitions, classification, requirements, test methods, inspection rules, marking, packaging, transportation, and storage of Qingyuan public chopsticks made from bamboo and wood. This standard applies to chopsticks primarily made from bamboo and wood, specifically designed for use in picking up food at the dining table. This standard applies to bamboo and wood public chopsticks produced by enterprises in Qingyuan County in accordance with the provisions of this standard. Main technical content: 6. Technical requirements 6.1 The specifications and allowable tolerances of the chopsticks shall comply with Table 1. Table 1: Specifications and allowable tolerances Unit: mm Item Dimensions Allowable Tolerance Range Length 240–300 ± 2 Large end face Bamboo chopsticks: 6.5 × 6.5–7.5 × 7.5 Wood chopsticks: 7.0 × 7.0–8.0 × 8.0 Each ± 0.3 Each ± 0.3 Small end face diameter Bamboo chopsticks: 3.5–4.5 Wood chopsticks: 3.5–4.5 ± 0.2 ± 0.2 6.2 Appearance quality shall comply with Table 2. Table 2: Appearance quality requirements Basic requirements Color and luster The color and luster of the product shall be consistent or similar. Roughness and flatness The surface shall be visually or tactilely clean and smooth, without burrs, cracks, knife marks, and uneven thickness. No obvious bending, wormholes, black spots, mold, rotting, or paint bubbles and drips are allowed. 6.3 Physicochemical indicators 6.3.1 Moisture content The moisture content shall not exceed 15%. 6.3.2 Migration indicators Migration indicators are shown in Table 3. Table 3: Migration indicators Item Limit Total migration/mg/dm2 a≤10 KMnO4 consumption/mg/kg a≤10 Formaldehyde/mg/kg a≤15 Sulfur dioxide/mg/kg b≤15 Lead (Pb)/mg/kg ≤0.05 Cadmium (Cd)/mg/kg ≤0.02 Arsenic (As)/mg/kg ≤0.04 a Applies to bamboo and wood chopsticks coated with paints or coatings. b Sulfur dioxide

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