Perovskite Tandem Solar Module Prototype from Canada
Emerging technology perovskite-silicon tandem solar module achieving >28% efficiency through stacked cell architecture, currently prototype stage for research applications. HTS 8541.43.00 covers all assembled photovoltaic technologies including developmental tandem cells in panel form. Lab-to-commercial transition product.
Duty Rate — Canada → United States
10%
Rate breakdown
9903.05.2910%Section 301 (forced labor) — additional 10% ad valorem on products of Canada
Import Tips
• Research institution letters and stability test data critical; prototype status may qualify for duty-free research import under HTSUS Chapter 98
• Stability concerns affect valuation and warranty declarations