Subheading 350610 applies to adhesive products packaged for retail sale with a net weight at or below 1 kg per unit. Products in larger containers — even if chemically identical — are classified by their chemical composition under 350691 or 350699. Mixed shipments containing both pack sizes may require split classification.

Pressure-sensitive adhesive tape is generally classified by the substrate material (e.g., plastic film tape or textile tape) rather than here, because the adhesive is applied to a backing and the article is presented as a finished tape. Heading 3506 covers adhesives in their own right, not articles coated with adhesive. Consult the relevant chapter notes and, if needed, seek a CBP binding ruling.