Silver Powder for Catalysis from China
Porous silver powder used as a catalyst support in chemical reactors, verified as powder by sieve test. It is pure silver in powder form before any impregnation with catalytic materials.
Duty Rate — China → Canada
0%
Import Tips
• The powder must be imported without any catalytic coating to remain classified as silver powder
• Provide a sieve analysis and purity certificate
• If impregnated with other metals, classification may change