Expansion tank physical characteristics: shape changes, convex top or bottom, but a good seal canned meat contents were sensory quality, PH change, a commercial sterility; tank was slightly positive, some there are a few vacuum.

The main causes of:

1 small headspace excessive amount of canning.

2, multi-tank residual air content less material discharge, low temperature's canning or sealing vacuum.

3, top, bottom iron thickness, hardness improper, inappropriate or cap-shaped design, such as the expansion ring too, appears suddenly and so inelastic deformation angle.

4, improper sterilization cooling operation, the pressure inside and outside the tank is too large, no back pressure when cooling or cooling too fast buck retorted.

Slight bulging cans 5, after canned dent, appears at the top of the bottom cover.

Dongguan City suno Packing Co, Ltd  is located in Dongguan City, Guangdong Province, on the verge of Guangzhou, Shenzhen and other coastal cities, convenient transportation, is a specialized production of iron and aluminum easy-open ends of the enterprise. Our main products include three series: Beverages EOE, aluminum and tinplate EOE EOE safe side, but for a variety of cans, aluminum cans, composite cans and PET cans. Enterprise quality first, reputation first business philosophy. Welcome to the new and old customers to inquire order. 0769-28686423/13922959630