1. Cephalic and cervical vesicles are inflations of the cuticle around the mouth opening and in the oesophageal region

2. Applications that Customarily benefit from the use of NBR are in hoses, seals, gaskets, printing blankets, linings, milking inflations, roll covers, oil well cable covers, diaphragms, o-rings, footwear, friction stocks, conveyor belts and other extruded and molded articles.