Single-Sided 1oz FR4 Copper Clad Board
1 oz (35 micron) copper foil on one side of FR4 (glass cloth/epoxy) board, excluding backing <0.15 mm. Precisely matches HTS 7410.21.3020 for refined copper clad laminates with plastics-glass base, single-sided.
Import Duty Rates by Country of Origin
Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If unbacked (bare foil without laminate)
Unbacked copper foil <0.15 mm uses separate subheading.
If other plastic sheets if glass content minimal
Predominantly plastic plates/sheets under Chapter 39.
Not sure which classification is right?
Our AI classifier can analyze your specific product and recommend the correct HTS code with confidence.
Import Tips & Compliance
• Provide peel strength test data confirming proper copper adhesion to glass-plastics base
• Invoice must specify 'refined copper' to distinguish from alloy foils
Related Products under HTS 7410.21.30.20
Single-Sided CEM-1 Copper Clad Sheet
Copper foil laminated on one side to CEM-1 substrate (phenolic resin with glass mat and paper), thickness ≤0.15 mm. Falls under HTS 7410.21.3020 for refined copper foil backed with plastics-impregnated glass, having copper on one side only, ideal for low-cost single-layer printed circuits.
Single-Sided Epoxy Glass Copper Foil Panel
Panel of refined copper foil (one side only) on epoxy-impregnated woven glass fiber base, total thickness compliant with 0.15 mm limit. HTS 7410.21.3020 covers this exact configuration for entry-level PCB production.
Single-Sided Halogen-Free FR4 Copper Laminate
Eco-friendly halogen-free FR4 laminate with single-side refined copper foil (<0.15 mm), glass fabric fully impregnated with resin. Fits HTS 7410.21.3020 for copper clad laminates having plastics-glass base, one copper side.
Single-Sided 7628 Glass Cloth Copper Clad
Heavy 7628 glass cloth style impregnated with epoxy, clad with refined copper on one side only, foil thickness ≤0.15 mm. HTS 7410.21.3020 classification for this single-sided copper foil backed with plastics-glass.
Single-Sided FR4 Copper Clad Laminate
A copper clad laminate sheet with a base of FR4 (flame-retardant epoxy resin impregnated with glass cloth) and copper foil on one side only, thickness under 0.15 mm excluding backing. Classified under HTS 7410.21.3020 as it meets the criteria for copper foil backed with plastics-impregnated glass having copper on one side only, used primarily for single-layer PCB fabrication.
Single-Sided 1.6mm FR4 Copper Laminate
Standard 1.6mm thick FR4 glass-epoxy laminate with 1 oz copper foil (35µm) on one side only, total foil thickness <0.15 mm. HTS 7410.21.3020 applies to this refined copper clad product with plastics-impregnated glass base and single-sided copper for prototyping PCBs.