SCHEDULE 1QUALIFYING MATERIAL: SPECIFIED MATERIALS AND CONDITIONS
Interpretation
6
The material in Group 3 comprises only—
(a)
moulding sands, including used foundry sand;
(b)
clays, including moulding clays and clay absorbents (including Fuller's earth and bentonite);
(c)
mineral absorbents;
(d)
man-made mineral fibres, including glass fibres;
(e)
silica;
(f)
mica;
(g)
mineral abrasives.