FINE Grade Calcium Carbide
This is top quality USA made Calcium Carbide the size of coffee grounds. Click on the technical info button at the bottom of the page for more info. Each container is filled with dry nitrogen to keep the carbide from spoiling, and help during shipping. Bottles are sealed with a band, and cans have lid keeper clips installed to make sure the containers do not open during shipping. Also called cannon grade, and 14ND. This grade produces acetylene gas quicker than lamp grades, which is why it is preferred for model cannons.