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  1. Kyleidi

    G-10/FR-4 material hardness

    I am working with G-10/FR-4 material and I have found on the material spec sheets that on the Rockwell M scale it should be meeting 110. The material we are getting in is reading at 115-117. Should all G-10/FR-4 be closer to the 110 range or can it get up to the 115 range? I did see that the...
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