SDS-PAGE Buffer Reservoir Gasket

EPDM rubber gasket sealing upper and lower buffer chambers in SDS-PAGE electrophoresis tanks, preventing leaks during high-voltage runs. Designed for instruments like Invitrogen Novex systems without optical readers. Classified under HTS 9027.90.54.00 for electrical electrophoresis parts.

Import Duty Rates by Country of Origin

Origin CountryMFN RateCh.99 SurchargesTotal Effective Rate
🇨🇳ChinaFree+35.0%35%
🇲🇽MexicoFree+10.0%10%
🇨🇦CanadaFree+10.0%10%
🇩🇪GermanyFree+10.0%10%
🇯🇵JapanFree+10.0%10%

Alternative Classifications

This product could be classified differently depending on its characteristics or intended use.

4010Lower: 13.3% vs 35%

If conveyor/transmission belts

Certain endless rubber transmission belts share material but different function.

8479.90Lower: 10% vs 35%

If parts of chemical processing machines

If resembling industrial separation equipment components.

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

Include chemical compatibility data (e.g

Tris-glycine buffer resistance)

Label as replacement part with model cross-references for CBP verification

Avoid 4010 classification by documenting electrical apparatus dedication

Related Products under HTS 9027.90.54.00

Electrophoresis Tank Leveling Base

Adjustable aluminum platform ensuring horizontal alignment of gel tanks for uniform electrophoresis.

Gel Electrophoresis Tray Assembly

This plastic and aluminum tray assembly is designed specifically for holding and running agarose or polyacrylamide gels in horizontal electrophoresis instruments. It fits standard models like Bio-Rad Mini-Sub Cell and lacks any integrated optical or measuring devices, classifying it as a part under HTS 9027.90.54.00 for electrophoresis equipment parts. The component ensures precise gel casting and sample separation without detection functionality.

Tank Grounding Clip Set

Stainless steel alligator clips grounding electrophoresis tanks to prevent electrical hazards.

Gel Knife and Scraper Tool

Dual-purpose stainless steel tool for excising and scraping DNA/RNA bands from gels post-run.

Electrophoresis Power Cord Connector

A specialized electrical connector for linking power supplies to gel electrophoresis tanks, featuring high-voltage tolerant insulation for safe operation up to 300V. This accessory is exclusive to non-optical electrophoresis systems like Hoefer gel boxes. It qualifies under HTS 9027.90.54.00 as an electrical part of physical/chemical analysis apparatus.

Polyacrylamide Gel Casting Dam

Precision-machined silicone dams used to form leak-proof seals during polyacrylamide gel polymerization in vertical electrophoresis setups like Bio-Rad Mini-PROTEAN. Exclusively for non-optical detection instruments. Falls under HTS 9027.90.54.00 as an essential accessory for chemical analysis apparatus.