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The tolerances listed below should be used as a guide and not absolute values.

For specific tolerances on a product line, please contact Advent directly.


Based on Total Metallic Impurities.


Generally ±10% on nominal thickness.


Usually better than ±5% on nominal diameter.


±10% on nominal diameter.


±10% on nominal diameter, wall thickness and inside diameter.

Continuous Lengths

If you require a continuous length of foil, ribbon or wire, please say so at the time the order is placed. We reserve the right to supply in more than one length unless we have previously agreed to supply in one length. For certain catalogue items continuous lengths are not available.

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