Dan:
Pocket facing rubber should
never be of the same elasticity as the cushions. To say otherwise, as you've done, conveys a puzzling total innocence of their fundamental purpose (and unfamiliarity with conventional explicitly-stated specs).
https://www.poolroom.com/tournament-table-equipment-specifications/
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Pocket Openings and Measurements
Only rubber facings of minimum 1/16 [1.5875 mm] to maximum ¼ inch [6.35 mm] thick may be used at pocket jaws. The WPA-preferred maximum thickness for facings is 1/8 inch [3.175 mm]. The facings on both sides of the pockets must be of the same thickness. Facings must be of hard re-enforced rubber glued with strong bond to the cushion and the rail, and adequately fastened to the wood rail liner to prevent shifting. The rubber of the facings should be somewhat harder than that of the cushions.
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Arnaldo ~ Helpfully-intended. I believe you're misusing the term "pocket facing" which has a mechanical definition that is distinct from what the two words mean separately in ordinary prose text.
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