Packaging product parameter testing

This standard specifies a general method for testing the oil permeability of packaging materials such as paper, plastic film, and composite materials. This standard is applicable to the determination of oil permeability of packaging materials with oil resistance. 2. The provisions contained in the following standards constitute the provisions of this standard by reference in this standard. At the time of publication of this standard, all versions shown are valid. All standards will be revised, and parties using this standard should explore the possibility of using the latest versions of the following standards. GB 2828-87 Sampling Procedures and Tables for Batch Inspection by Count (Applicable to Continuous Batch Inspection) GB 2918-82 Standard Environment for Condition Adjustment and Testing of Plastic Specimens GB 6672-86 Mechanical Measurement Method for Thickness of Plastic Film and Sheet 3 Test Principle: The time required for oil to pass through the material is determined by contacting one side of the packaging material that has been folded or not folded by a certain method with the oil in the cotton pad. The oil permeability time is related to the characteristics and thickness of the material

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