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Potterycrafts Hyplas 71 Ball Clay

Potterycrafts Hyplas 71 Ball Clay

Potterycrafts

£7.41

A Devon Ball Clay, giving good plasticity with medium strength and a low iron content. 20% Al2O2 70% SiO2 0.8% Fe2O3 2.3% K/Na2O

Potterycrafts's own words, read from their page.

Buy from PotterycraftsPrice seen 2026-09-05. Affiliate link.

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The part other shops don't tell you. Three separate questions, kept separate on purpose, each with its source.