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Preforms

Preforms – Defined Solder Volume for Consistent Results

LOT-TEK preforms for stable processes and precise geometries

In industrial soldering, preforms are an essential tool for achieving consistent quality and process reliability. LOT-TEK offers customized preforms that provide precisely measured solder volumes and predefined shapes – ideal for automated production lines and serial assembly under tight tolerances.

Our preforms are available in round, rectangular or customized special shapes. This enables highly repeatable joining processes – independent of the operator or batch size. In addition to geometry, we offer full flexibility in solder alloy, surface condition, and dimensional specifications.

Discover our full range in the product overview or explore our solutions in electrical engineering. For tailored preforms, feel free to contact our team.

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Controlled solder volume for maximum repeatability

Preforms for consistent solder joints in automated production

In sensitive applications such as electronics or sensor assembly, precise solder volume is critical to joint quality. LOT-TEK preforms offer a solution that guarantees volume control with defined dimensions – ideal for automated lines and serial production with minimal variation.

With solid-state geometry, solder distribution during melting is clearly defined. This leads to improved wetting behavior and lower defect rates. Material consumption is optimized, as overuse and rework are significantly reduced.

LOT-TEK provides preforms in a wide range of alloys and purities – with optional surface treatments to enhance wetting or oxidation resistance. On request, we manufacture preforms to your drawing or develop the right configuration with you.

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Custom geometries for critical joining tasks

Preforms for electronics, medical devices, sensors and more

LOT-TEK preforms are used wherever precision and reproducibility are key. In electronics, medical technology, or sensor manufacturing, they ensure efficient processing, reduced scrap rates and stable results – even with challenging material combinations.

In addition to standard round or rectangular shapes, we manufacture 3D geometries, discs, rings or customized cuts. Through close collaboration with our clients, we ensure that every preform fits your components and soldering process exactly.

LOT-TEK preforms are ideal for high-volume production, automated handling, or precision batch soldering – offering a clean and controlled alternative to wire or paste solder.

Get in touch now and request your custom preform solution from LOT-TEK »