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.
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Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If generic silicone gaskets/seals
Unspecified rubber articles not dedicated to analytical instruments classify in Chapter 40.
If bulk plastic molding accessories
Non-specialized polymer dams resemble general lab plasticware.
If for optical-equipped electrophoresis
Different subheading for parts of instruments with integrated measuring devices.
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Import Tips & Compliance
• Provide gel cassette compatibility specs to confirm electrophoresis-specific design
• Test for silicone purity certification to meet lab chemical resistance standards
• Distinguish from general rubber parts (4016) via functional description
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.
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.