Circular No. 123/34/95-CX Kind attention is invited to Board”s Circular No. 2/93-Cx.3 (F.No. 95/8/92-Cx.3) dated 21.5.1995 wherein it was clarified that Copper Phthalo Cyanine pigment of purity 95% (+ 1% subject to moisture content) and the most of which passes through the sieve also of 100-125 um may be considered to be standardised ready to use form.