John haykway says no market for high purity alumina but yet the article below says sumitomo is increasing capacity
Sumitomo to expand high-purity alumina capacity by Q2 2012
28 June 2011
Japanese producer plans to increase capacity to meet growing demand
Keywords: Sumitomo Chemical, alumina, fillers, ceramics
Sumitomo Chemical in Japan plans to expand its production capacity for high-purity alumina at its Ehime Works to 3,200 tpa by second quarter of 2012, the company said in a statement.