AS568-214 讨论
AS568-214: 1 篇讨论. How to write an FFKM O-ring RFQ that actually gets quoted (size, compound, process, chemistry, quantity)
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How to write an FFKM O-ring RFQ that actually gets quoted (size, compound, process, chemistry, quantity)
**Short answer:** An O-ring request that says only "Kalrez O-ring, 25 mm" cannot be quoted. A supplier needs two separate things: the **size** (an AS568 dash number, an ISO 3601 / JIS size, or ID × cross-section with tolerances) and the **c