Glass Microspheres for Reflective Paint
Tiny glass microspheres under 1 mm diameter used as fillers in road marking paints for retroreflective properties. HTS 7018.90.50.00 covers glass microspheres not exceeding 1 mm, other than imitation jewelry. They enhance visibility by reflecting light back to its source.
Import Duty Rates by Country of Origin
Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If used specifically as imitation pearls or beads
Glass items imitating pearls shift to subheading 7018.10, separate from general microspheres.
If pre-mixed into paint or varnish as a prepared pigment
Glass microspheres incorporated into paints are classified based on the paint composition under Chapter 32.
If for industrial fillers exceeding 1 mm or non-glass mineral wools
Larger or non-glass microspheres fall under prepared binders or chemical preparations in heading 3824.
Not sure which classification is right?
The Tariff Assistant works through the GRI rules on your specific product to reach the right HTS code — and can price the duty on it in the same conversation.
Import Tips & Compliance
• Certify microsphere diameter under 1 mm with lab test reports to qualify for this subheading
• Declare intended industrial use to avoid consumer product regulations
• Ensure bulk packaging documentation specifies non-hazardous glass composition
Related Products under HTS 7018.90.50.00
Imitation Glass Emerald Smallwares
Faceted glass smallwares imitating emeralds for decorative inlays or craft mosaics. Under HTS 7018.90.50.00 as imitation semiprecious stones and similar glass articles. Green tinted glass cut to sparkle like cut gems.
Lamp-Worked Glass Mushroom Ornament
Whimsical lamp-worked glass mushroom statuette for fairy garden displays or desk decor. HTS 7018.90.50.00 for statuettes of lamp-worked glass, other than jewelry. Stem and cap formed from colored glass canes.
Glass Beads for Sandblasting Media
Fine glass beads/microspheres ≤1 mm serving as gentle abrasive in precision sandblasting operations. Covered by HTS 7018.90.50.00 for glass microspheres. Soda-lime glass composition provides controlled surface etching.
Lamp-Worked Glass Owl Figurine
Detailed lamp-worked glass owl statuette symbolizing wisdom for office or library display. HTS 7018.90.50.00 statuettes and ornaments of lamp-worked glass. Features realistic feather texturing from pulled glass threads.
Imitation Glass Diamond Chips
Crushed glass imitation diamond fragments for resin embedding or scatter decoration. Under HTS 7018.90.50.00 as similar glass smallwares imitating precious stones. Irregular chip shapes mimic uncut diamond melee.
Glass Eyes for Toy Animals
Small decorative glass eyes for stuffing toy plush animals, distinct from prosthetic use. HTS 7018.90.50.00 covers glass eyes other than prosthetic articles. Painted black pupils with safety shanks for sewing.