Fused Silica Glass Wool Blanket
Flexible blanket rolls of fused silica glass wool for high-temperature insulation in industrial furnaces, included as 'glass' per tariff schedule. Classified in 7019.80.90.00 for other glass wool articles.
Import Duty Rates by Country of Origin
Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If sold as rovings or chopped strands
Specific subheadings for yarns/rovings exclude processed blanket forms under 'other articles'.
If refractory use with ceramic binders
If bound into refractory shapes, it shifts from glass wool to ceramic refractory materials.
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 high-temperature rating and fused silica composition; use proper packaging to prevent fiber release during transit
• Declare exact density to avoid reclassification as lower-value fibers
Related Products under HTS 7019.80.90.00
Mineral Glass Wool Insulation Batt
A batt of mineral glass wool designed for thermal and acoustic insulation in walls and attics, with silica content exceeding 60% by weight as per HTS chapter notes. Classified under 7019.80.90.00 as 'other' glass wool articles, distinct from raw fibers or yarns.
Glass Wool Acoustic Panel
Rigid panels made from compressed glass wool for sound absorption in studios and theaters, meeting the fused silica-based glass wool criteria. Falls under 7019.80.90.00 as other articles of glass wool.
Glass Wool Pipe Insulation Wrap
Pre-formed wraps of glass wool for insulating pipes and ducts in HVAC systems, qualifying as glass wool per chemical composition notes. Under 7019.80.90.00 as other articles.
High-Density Glass Wool Board
Dense boards of glass wool for fire-resistant barriers and insulation, with silica ≥60%. HTS 7019.80.90.00 covers these as other glass wool products.
Glass Wool HVAC Duct Liner
Laminated glass wool sheets for lining HVAC ducts to reduce noise and heat loss, as defined for glass wool articles. Falls in 7019.80.90.00 'other'.
Automotive Glass Wool Heat Shield
Molded glass wool mats for under-hood heat shielding in vehicles, meeting glass wool specs. Classified as other articles in 7019.80.90.00.