Customs Duty Exemption denial for acrylamide as synthetic adhesive affirmed; claims rejected due to misrepresentation and non-adhesive use A circular states that acrylamide is not entitled to Customs duty exemption under Notification No. 203/92 Cus when imported as a claimed 'Synthetic Adhesive' for leather goods manufacture; investigations and a technical opinion show acrylamide is not used as an adhesive and importers obtained exemptions through misrepresentation and fabricated documents.