The second letter indicates the maximum continuous operating temperature the rubber sheet can endure without significant degradation of its physical properties. Class Letter Max Operating Temperature 70°C (158°F) B 100°C (212°F) C 120°C (248°F) D 150°C (302°F) E 175°C (347°F) F 200°C+ (392°F+) 3. Hardness (First Digit)
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September 2014. Standard Current. Rubber packing material - Classification of physical properties / Note: Approved 2019-10-21 JIS. Afnor EDITIONS
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material code for a particular chemical or temperature environment? JIS K 6380 Rubber Sheet Specifications | PDF - Scribd
The Japanese Standards Association (JSA) is the official publisher and offers downloadable PDFs for purchase.
The latest active version is , which superseded the 1999 edition. Official copies are not typically available for free due to copyright; however, they can be purchased or requested in electronic PDF format from the following sources: JIS K 6380:2014 Rubber packing material - Intertek Inform The second letter indicates the maximum continuous operating
The standard mandates how results should be reported to avoid ambiguity in technical reports.
First and foremost, it's essential to clarify what JIS K 6380 actually regulates. The standard officially titled "Rubber vulcanizates for packing and gasket — Classification of physical properties," applies to the rubber materials used in a wide array of industrial products.
Baking the rubber in an oven to evaluate how hardness, tensile strength, and elongation degrade over time under thermal stress. September 2014
Translate specific line call-outs on engineering blueprints into physical rubber properties.
Suitable for high-temperature and food-grade applications.