General Administration of Quality Supervision, Inspection and Quarantine of the People‘s Republic of China
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GB/T 42306-2023
Introduction
GB/T 42306-2023 Cork Granules and Cork Powder Classification, Properties, and Packaging is a national standard in China that specifies the classification, properties, and packaging requirements for cork granules and cork powder.
Cork granules and cork powder have various applications in industries such as construction, automotive, and aerospace due to their unique properties. This standard provides a comprehensive classification system for different types of cork granules and cork powder based on their physical and chemical characteristics.
The standard outlines the specific properties that need to be tested and reported, including density, moisture content, particle size distribution, and thermal conductivity. These properties are important for determining the suitability of cork granules and cork powder for different applications.
In addition to classification and properties, the standard also specifies the packaging requirements for cork granules and cork powder. It provides guidelines for packaging materials, labeling, and storage conditions to ensure the quality and integrity of the product during transportation and storage.
Adhering to the requirements of GB/T 42306-2023 ensures that cork granules and cork powder manufacturers and users have a standardized basis for product quality evaluation and comparison. It promotes the development and application of cork products in China and facilitates international trade by providing a common language for communication and understanding.
GB/T 42306-2023 history
2023GB/T 42306-2023 Classification, properties and packaging of cork pellets and cork powder