Circulars
3/2012-Cus: Fused Silica is classifiable under heading 3207 40 00. However fused silica in tube form, rods or tubes is classifiable under sub-heading 7002 31 00.
546/42/2000: Ultramarine blue is classifiable under 3206.
260/94/96-Cx: Zinc Chromate is classifiable under heading 2841. For attracting the classification under heading 3206, either the Zinc Chrome should be in the form of Zinc Yellow or Zinc Green.
2/93: Printing paste prepared from formulated, standardised or prepared dyes by simple mixing with other materials does not amount to manufacture and as such, cannot be classifiable under Sub-heading 3204 29.
12/92-CX.3: Ceramic glaze frit in crystalline form having vitrifiable property and used for glazing potteries and tiles in the field of ceramics is classifiable under sub-heading 3207 90.
54/90: Ceramic Frit Glaze or Ceramic Glaze Frit Glass is classifiable under sub-heading 3207 10.