6 Metal collars used during splitting of tubes used for receiving fluids for aseptic sealing of the split tube ends for use in the food and beverage, pharmaceutical, and biopharmaceutical industries; aluminum collars used during splitting of tubes used for receiving fluids for aseptic sealing of the split tube ends for use in the food and beverage, pharmaceutical, and biopharmaceutical industries; metal collars in the nature of tube sealing mechanisms for aseptically sealing tube ends of tubes used for receiving fluids; and metal collars for aseptically sealing tubes ends of tubes used for receiving fluids for use in the food and beverage, pharmaceutical, and biopharmaceutical industries