Transformer Oil-Impregnable Condenser Paper
Specialty uncoated paper in rolls, 40-80 g/m², with high oil absorption for impregnation in power transformers and high-voltage capacitors. It qualifies as condenser paper under HTS 4805.91.20.00 due to its tailored purity and low weight for electrical insulation.
Import Duty Rates by Country of Origin
Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If mainly recovered pulp with Mullen burst ≥2 kPa·m²/g
Recycled testliner paper under 4805.24 if waste-based, not virgin fiber condenser spec.
If weighing >150 g/m²
Same uncoated 'other' paper but heavier grammage moves within 4805.91 to .40 subheading.
If printed with non-subsidiary motifs
Chapter note sends printed paper with pictorial elements to chapter 49 headings.
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
• Submit impregnation compatibility certificates; pitfall is reclass to 4811 if pre-impregnated with resins
• Ensure declaration specifies 'not further worked'—slitting to narrow widths may trigger 4821 review
• Check ash content <1% and uniform thickness for condenser grade validation
Related Products under HTS 4805.91.20.00
Electrical Condenser Tissue Paper
Ultra-thin, high-purity paper in rolls weighing under 150 g/m², specifically designed for use as dielectric insulation in oil-filled electrical capacitors. It meets the precise specifications for condenser paper under HTS 4805.91.20.00 due to its uncoated nature, low weight, and suitability for high-voltage applications without further processing.
Capacitor Grade Condenser Paper
High-density, low-air-permeability uncoated paperboard in sheets, weighing 120 g/m² or less, engineered for metallized film capacitors as separator material. Classified under HTS 4805.91.20.00 as 'condenser paper' for its role in electrical energy storage without additional working.
Dielectric Condenser Separator Paper
Uncoated, high-insulation paper in wide rolls weighing 60 g/m², used as separators in wound capacitor designs. Classified precisely as condenser paper in HTS 4805.91.20.00 for its electrical grade purity and low grammage.
High-Voltage Electrolytic Condenser Paper
Thin-gauge uncoated kraft-based paper sheets ≤100 g/m² for aluminum electrolytic capacitors, providing separator insulation. Fits HTS 4805.91.20.00 as condenser paper not further processed, optimized for electrolyte retention.