Fiberglass Pipe Cover Sleeve from Japan
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.
Duty Rate — Japan → United States
12.5%
Rate breakdown
9903.05.4912.5%Section 301 (forced labor) — Japan (col1 rate < 12.5 percent): MFN < 12.5% → total duty capped at 12.5%
Import Tips
• Provide lab certification for alkaline oxide content if silica is under 60% to meet glass wool specs
• Label clearly as 'pipe insulation' to avoid bulk product confusion
• Watch for customs reclassification if density suggests non-insulation use