HSN Code 3214 refers to "Glaziers' putty, grafting putty, resin cements, caulking compounds and other mastics; painters' fillings; non-refractory surfacing preparations for façades, indoor walls, floors, ceilings or the like." This classification code is essential for identifying various sealing and filling materials for import/export purposes based on their nature, composition, and intended use. Common products under HSN Code 3214 include glaziers' putty, caulking compounds, resin cements, and painters' fillings. Additionally, the GST rate for these materials under this code supports accurate trade compliance.