How do Ultrasonic sealers weld materials ?
The ultrasonic point sealer weld materials in a few seconds.
Mechanism of Welding
Ultrasonic vibrations are emitted from the upper horn (metal part) the handpiece is pressed.
The frictional heat caused by the ultrasonic vibration instantly melts the pinched material.
As the ultrasonic vibration stops, the material becomes solid and sticks together in a second.
By this mechanism, ultrasonic sealers can weld materials that can be melted by frictional heat.
(Example: chemical fabrics, plastic packages, non-woven fabrics, etc.)
Conversely, materials that do not melt by frictional heat cannot seal.
(Example: Papers, wood, etc.)
Non-weldable: Cotton, rayon, wool, other natural fabrics, etc.
Weldable: Polyester, nylon, acrylics, other chemical fabrics, etc.
Non-weldable: Paper, bamboo, other natural materials, etc.
Weldable: Plastics (PP, PET, OPS, etc.), non-woven fabrics, etc.
■Video -How to use Ultrasonic point sealer QP-01
- What types of materials can be welded with ultrasonic sealers ?
- Can paper be welded with Ultrasonic sealers?
- What is the difference between Ultrasonic point sealer QP-01 and Ultrasonic dot-line Sealer L-QP-01?
- Do Ultrasonic sealers require warm up time to use?
- Does the tip of handpiece remain hot during operation?
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