These are just a few examples. The standard covers many more material grades, each tailored to specific combinations of properties. The full list of classifications is detailed in the complete JIS K 6380 document.
Following the type and class letters, a series of numbers defines the durometer (hardness) and minimum tensile strength requirements. For example, a digit like "70" typically denotes a hardness of 70±5 Shore A. Key Performance Tests Covered in the PDF
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Balanced general-purpose polymer offering balanced ozone, weather, and moderate oil protection.
It specifies the performance requirements for rubber materials used in industrial seals and packings, excluding sponge rubber, ebonite, and O-rings. These are just a few examples
JIS K 6380 uses the JIS Type A durometer (which closely correlates with Shore A hardness). The code indicates a nominal hardness value, usually in increments of 10 (e.g., 50, 60, 70, 80). A code featuring "60" specifies a rubber sheet with a hardness of 60 ± 5 Shore A. 3. Tensile Strength and Elongation
Crucial for packing materials, it measures the rubber’s ability to return to its original shape after prolonged compression. Why Access a JIS K 6380 PDF? Accessing the official JIS K 6380 PDF is essential for: Following the type and class letters, a series
Once you have the , do not just file it away. Integrate it into your quality management system: