To achieve adhesion between layers, as an eye catcher or for the selective deformation of voluminous materials: Sandler nonwovens are embossed for a variety of applications. They are well suited to both calender and ultrasonic embossing, frequently used for the hygiene industry. In the automotive sector, embossed nonwovens are also used for example in engine cover parts. Again Sandler nonwovens are ideally suited to the processes employed in this industry, such as hot and ultrasonic embossing.
Due to the thermoplastic properties of the selected polymers utilised Sandler nonwovens are mouldable and are able to match the contours of the component. In addition, the material can also be hardened through moulding.
- Automotive industry: Nonwovens are for example processed into 3D moulded parts such as headliners or wheel house liners.
- Interior design: Acoustically efficient moulded parts made of nonwovens are also making advances into interior design. One recent example: a designer lamp shade.
In the filtration industry nonwovens are generally pre-heated prior to pleating. Sandler nonwovens are well suited to this process.
The polymers used make Sandler nonwovens totally compatible with ultrasonic welding, high-frequency welding or thermal welding techniques.
- Automotive industry: Ultrasonic or high-frequency welding spots are used to fasten nonwovens to die-cut or cover parts.
- Filtration & hygiene industry: Multi-layer composites can be bonded using ultrasonic or high-frequency welding.
- Technical applications: Nonwovens for pipe insulation are sealed using common welding technologies.
Depending on the specific application, Sandler nonwovens can be laminated with different materials to produce multi-layer structures with multifunctional properties: for improved acoustic efficiency, hardening, greater stability, resistance to heat or for improving mechanical properties. In fashion, the nonwoven is bonded to the outer fabric, in hygiene products multi-layer structures combine reliable protection with comfort in use—the possibilities are virtually endless.
In the hygiene industry, nonwovens are frequently transported to the laminating line on a vacuum conveyor belt. This process poses specific demands on the material’s air-permeability and Sandler nonwovens provide these characteristics.