Market firm but trending up for better specification.
Better specification keenly sought after in a deteriorating selection.
18.5 micron and finer fully firm
19.0 / 21.5 micron better specification up to 2% dearer in limited supply
19.0 / 21.5 micron 1% dearer
18.5 micron and finer slightly easier
19.0 /19.5 micron fully firm
Unchanged in a limited selection.