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1.rubber hardness Test method of indentation hardness based on GBT531.1-2008 rubber pocket hardness tester contents and requirements Instruments and equipment: Shahr hardness tester (type A, D) Environmental conditions: the laboratory temperature is 23 C + + 2 C, the relative humidity is 60%~70231 Test method: the specimen thickness is at least 6mm. If the thickness of the sample is less than 6 mm, it can be stacked with no more than 3 layers of smooth, parallel samples with each layer thickness not less than 2 mm. The specimen must have enough area to make the needle and specimen contact position at least 12mm from the edge. Place the specimen on a solid plane, hold the hardness tester, press the pin at least mm from the edge of the specimen, press the pin smoothly on the specimen, and read it within 3 seconds after the full contact of the pin with the specimen. Results: the hardness values were measured 5 times at different locations of 6mm, and the median was taken. Feilong Jiangli will update the more inspection rules for automobile rubber parts
CAR Rubber Parts Process manufacturing method 1.Molding and injection molding 2.Injection molding method 3.Plating molding method 4.Extrusion molding method Thanks for the help of the Chongqing Feilong Jiangli Auto Parts’ Technical dept. And welcome to share the idea with us.