Jsbound weld powders are contained in aluminum foil bag, or plastic bottle, and are packed in boxes, depending on Their size. Different joints require different powder size, and the size relaters to the powder's nominal weight in grams. The weld powder packaging also contains retaining discs and starting powder. The retaining discs and starting powder Are contained in a separate bag within the box. Features: 1.Current carrying (fusing) capacity equal to that of the conductor. 2.Will not deteriorate with age. 3.Permanent molecular bond that cannot loosen or corrode over time. 4.Low labor costs. 5.Made with inexpensive, lightweight and portable equipment. 6.No special skills are required. 7.No external power or heat required. 8.Can be checked for quality by visual inspection. Bags or bottle