Polyacrylamide Gel Casting Dam from Japan
Precision-machined silicone dams used to form leak-proof seals during polyacrylamide gel polymerization in vertical electrophoresis setups like the Bio-Rad Mini-PROTEAN. These dams are exclusively for non-optical detection instruments. They are classified under tariff item 9027.90.00 as parts of electrophoresis apparatus used in chemical analysis.
Duty Rate — Japan → Canada
0%
Import Tips
• Ensure the dams are declared as parts of electrophoresis instruments, not as general silicone articles
• Provide model numbers of the compatible instruments to support the classification
• If the dams are made of silicone, verify they are not classified under Chapter 40 as articles of vulcanised rubber