BS EN 14932塑料.包装袋用伸缩热塑性薄膜—标准名称

BS EN 14932 Plastics - Thermoplastic stretch films for wrapping silage bales

BS EN 14932塑料.包装袋用伸缩热塑性薄膜.

BS EN 14932塑料.包装袋用伸缩热塑性薄膜—适用范围

Scope：

This European Standard specifies the requirements for dimensional, mechanical, oxygen transmission rate and optical characteristics of stretch thermoplastic films for wrapping bales used for ensilaging of forage. It specifies a classification for solar reflectance of the films. This European Standard specifies also test methods to check these requirements.

BS EN 14932塑料.包装袋用伸缩热塑性薄膜—引用文件

EN ISO 527-1, Plastics — Determination of tensile properties — Part 1: General principles

EN ISO 527-3, Plastics — Determination of tensile properties — Part 3: Test conditions for films and sheets

EN ISO 4892-2 Plastics — Methods of exposure to laboratory light sources — Part 2: Xenon-arc lamps  

EN ISO 6383-2, Plastics — Film and sheeting — Determination of tear resistance — Part 2: Elmendorf method

EN ISO 7765-1, Plastics film and sheeting — Determination of impact resistance by the free-falling dart method — Part 1: Staircase methods

EN ISO 13468-2, Plastics — Determination of the total luminous transmittance of transparent materials — Part 2: Double-beam instrument

ISO 4592, Plastics — Film and sheeting — Determination of length and width

ISO 4593, Plastics — Film and sheeting — Determination of thickness by mechanical scanning

ISO 9845-1 Solar energy — Reference solar spectral irradiance at the ground at different receiving conditions — Part 1: Direct normal and hemispherical solar irradiance for air mass 1,5

ISO 15105-2 Plastics — Film and sheeting — Determination of gas-transmission rate — Part 2: Equal-pressure method

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出自：GF2022