sticity, length of the strips, lubricity and moisturizing ability depends largely on its origin.
Three different qualities are distinguished, described as A, B and C (or 1st, 2nd, and 3rd, which means the same). However we often have mixtures of quality, for example AB, BC or ABC, depending on the market for which it is intended.
A Quality:
Casing categorized as being of this quality will be highly consistent, completely without holes, free from fat and intestinal mucous. The caliber is rigorous