High-Temperature Glass Wool Pipe Cover
High-density glass wool cover for pipes in boiler rooms, rated up to 1000°F with aluminum foil facing. Classified in HTS 7019.80.10.20 for pipe insulation articles of glass wool meeting fused silica definitions. Coatings are microscopically thin per Chapter notes.
Import Duty Rates by Country of Origin
Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If mineral fiber blocks with heavy binders
Binders dominating composition moves to Chapter 68 articles.
If other glass wool articles not pipe-specific
Specific pipe form vs general tank/duct covers in other subheadings.
If refractory composition exceeding tolerances
High-silica refractories fall in Chapter 69 if industrial heat-resistant.
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Import Tips & Compliance
• Document temperature ratings and chemical composition for high-temp claims
• Ensure facing reflectivity complies with non-reflecting layer note
• Pitfall: undervaluation due to lightweight wool density
Related Products under HTS 7019.80.10.20
Glass Wool Pipe Insulation Jacket
A pre-formed jacket made from glass wool specifically designed to wrap around pipes for thermal and acoustic insulation in HVAC systems. It falls under HTS 7019.80.10.20 as an insulation product classified as pipe covering, consisting of compressed glass wool with a foil or paper facing. This product meets the Chapter 70 definition of glass wool with sufficient silica content.
Fiberglass Pipe Cover Sleeve
Cylindrical fiberglass sleeve made from glass wool for insulating steam pipes in industrial settings, featuring a vapor barrier liner. Classified under HTS 7019.80.10.20 for its role as pipe covering insulation product derived from glass wool. Complies with fused silica inclusion in glass definitions.
Glass Wool Pipe Wrap Insulation
Flexible blanket-style glass wool wrap tailored for covering pipes up to 12-inch diameter in plumbing applications. HTS 7019.80.10.20 applies as it is an article of glass wool designed explicitly for pipe insulation. Annealing processes do not affect 'worked' status per Chapter notes.
Preformed Fiberglass Pipe Insulation
Molded sections of glass wool insulation fitting standard pipe sizes for hot water lines in residential systems. Falls under 7019.80.10.20 as pipe coverings made from qualifying glass wool per Chapter 70 silica requirements. Retains glass wool character even with minimal coatings.
Acoustic Glass Wool Pipe Lagging
Glass wool lagging designed to reduce noise and vibration on industrial pipes, with reinforced scrim outer layer. HTS 7019.80.10.20 covers this as pipe insulation from glass wool. Article status maintained per heading 7006 note.
Cryogenic Glass Wool Pipe Insulation
Specialized low-temperature glass wool for LNG pipe coverings, multi-layered for extreme cold. Under 7019.80.10.20 as glass wool pipe insulation product. Fused silica base qualifies throughout tariff.