T/YBL 002-2018 Mushroom growing bag

Scope

Main Technical Contents: 3.1 Material Requirements The resin used for cultivation bags shall comply with the provisions of GB/T 11115-2009. 3.2 Appearance Quality The appearance quality of cultivation bags shall comply with the requirements specified in Table 1. Table 1: Appearance Quality Items Water marks Air bubbles Piercings and ruptures Impurities Fish-eye stripes Flatness Uneven folds Requirements Not noticeable Not allowed ≤1 Not allowed Slight bursting Pass Not allowed ≤1mm 3.3 Dimensions, Weight, and Tolerances The external dimensions of cultivation bags shall be determined by mutual agreement between the supplier and the buyer. The width, length, and weight tolerances shall comply with the provisions specified in Table 1. Table 2: Dimensions, Weight, and Tolerances Item Width Specification Below 157 158–166 Above 167 Width Tolerance (mm) ±1 ±1.5 ±2 Length Tolerance (mm) ±2.0 ±2.5 ±3.0 Weight Tolerance (g/piece) ±0.05 ±0.05 ±0.10 3.4 Thickness and Tolerances The thickness and tolerances of cultivation bags shall comply with the provisions specified in Table 2. Table 3: Thickness and Tolerances Nominal Thickness (μm) <30 30–50 51–71 Tolerance (μm) 378 103 3.5 Physical and Mechanical Properties The physical and mechanical properties of cultivation bags shall comply with the provisions specified in Table 4. Table 4: Physical and Mechanical Property Requirements Item Standard 1 Drop Test All three bags shall not rupture 2 Anti-leakage All three bags shall not leak 3 Sealing Strength 6.0 N/15 mm 4 Fall Impact No rupture ≥6 5 Oxygen Permeability Deviation, cm3/(m2.24h.atm) ±20% 6 Steam Cooking Resistance (121°C for 2 h) No melting, no deformation, and elasticity of the bag 7 Elongation at Break after Artificial Accelerated Aging (except for Shiitake Mushroom Bags) ≥220% Note: The nominal value of oxygen perm

Development Information

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