HSN Code 6806 refers to "Slag-wool, rock-wool and similar mineral wools; exfoliated vermiculite, expanded clays, foamed slag and similar expanded mineral materials; mixtures and articles of heat-insulating, sound-insulating or sound absorbing mineral materials (excluding articles of light concrete, asbestos, asbestos-cement, cellulose fibre-cement or the like, mixtures and other articles of or based on asbestos, and ceramic products)." This classification code is essential for identifying insulation materials and related products for import/export purposes based on their nature, composition, and intended use. Common products under HSN Code 6806 include rock wool insulation, slag wool, expanded vermiculite, and sound-absorbing panels. Additionally, the GST rate for these insulation materials under this code supports accurate trade compliance.