Electrical insulation tape classification turns on commercial identity and essential character, not adhesive form or running length.

Flame retardant polyester electrical insulation tape was treated as adhesive tape with electrical insulating properties, but classification followed its commercial identity and essential character rather than its adhesive form or running length. Goods commercially understood and used as insulation tape were held to fall under the tariff heading for electrical insulators, and the need for cutting before use did not change that character. Earlier decisions on insulation materials were applied, and customs classification was read consistently with the corresponding excise tariff entries. The article was therefore classifiable under Heading 8546 and not under Heading 3919.

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Issues: Whether flame retardant polyester electrical insulation tape was classifiable under Heading 8546 as electrical insulators or under Heading 3919 as adhesive plastic tape.

Analysis: The goods were accepted to be adhesive polyester tape having electrical insulating properties. The competing headings were examined on the basis that classification must follow the nature and commercial use of the goods, and not merely their form or the fact that they may require cutting before use. Earlier decisions on insulation materials and tapes were applied to hold that articles commercially understood and used as insulation tapes fall within the heading for electrical insulators. The fact that the goods were imported in running length did not alter their essential character, and the classification in the customs tariff was treated consistently with the corresponding excise tariff entries.

Conclusion: The goods were classifiable under Heading 8546 and not under Heading 3919.

Ratio Decidendi: Where goods are commercially known and used as electrical insulation tape and possess the essential character of electrical insulators, they are classifiable under the tariff heading for electrical insulators notwithstanding their adhesive form or running length.

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