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Tin-Stripper
Vor dem Zinn strippen:

Nach dem Zinn strippen:

BECE SINSTA-STRIP AT 25 – Efficient single-stage stripper for clean copper surfaces
BECE SINSTA-STRIP AT 25 is a nitric acid-based one-step stripper specifically designed for the removal of electroplated tin and tin/lead layers from copper surfaces. This powerful product offers a fast and reliable solution for the demanding requirements of PCB processing.
Outstanding Features
- Fast Stripping Speed: Removes tin and tin/lead at a rate of 5–8 µm/minute, even with high metal loads.
- High Capacity: Handles metal loads with densities up to 1.40 g/cm³ without losing effectiveness.
- Anti-Sludge Technology: Special additives reliably prevent sludging, even at high metal concentrations.
- Copper Protection: Inhibitors protect copper surfaces from attack without affecting the stripping speed.
- Perfect Surface Quality: Additives and integrated tarnish protection prevent oxidation, leaving uniformly shiny copper surfaces.
- Effluent-Friendly Process: Free from peroxides, fluorides, and ammonium, significantly simplifying wastewater treatment.
- Optimized for Horizontal Systems: Ideal for horizontal conveyor systems with 2.5–3.5 bar spray pressure.
- Versatile Application: Can also be used as an immersion stripper to meet diverse process requirements.
BECE SINSTA-STRIP AT 25 is a reliable and fast tin stripper designed to remove tin and tin/lead layers efficiently. Combining outstanding performance with excellent surface quality, it ensures easy handling and seamless process integration.
KEY PRODUCT ADVANTAGES:
- High stripping speed (approximately 15 µm/minute)
- High metal absorption capacity (>200 g/l)
- Single-stage system
- No sludge formation and no clogged spray nozzles
- Reduced maintenance and downtimes
- Extremely low attack on copper
- Easy wastewater neutralization as it contains no ammonium
Visualization of Before and After:

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