Industrial Grade Plastic Tube Sealer use ultrasonic energy to produce a hermetic seal at the open tube end after product fill. The Sealer has the feature that a variety of seal patterns are available with date coding easily accomplished at the time of closure and plastic tubes are used in the medical, consumer, cosmetic, and food industries among others. The Sealer is used in cosmetics and pharmaceutical industries and can be mounted as a station on virtually all types of filling machines, whether in-line or rotary. The Sealer requires no warm-up time, since no heat is actually applied to the tube being sealed. The Sealer is suitable for safely sealing tubes filled with low flashpoint materials such as products with high alcohol content The Industrial Grade Plastic Tube Sealer eliminates the need to stop and change tooling when changing from high to low density plastic tubes or laminates and a simple one-minute adjustment to the actuator permits sealing a variety of tube sizes and materials.