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