September 7, 2026 Kester NP575-KAP Solder Paste for High Reliability Assembly
Kester NP575-KAP Solder Paste is a next-generation, high-performance, zero-halogen, lead-free, no-clean solder paste designed for high first-pass-yield manufacturing. Engineered by Kester, this advanced formulation provides a broad processing latitude and exceptional reliability required for demanding automotive, aerospace, and high-density electronic applications.
Key Features of Kester NP575-KAP Solder Paste
Designed as Kester’s leading no-clean material, this paste offers outstanding printing precision and superior electrochemical stability:
- Zero-halogen, lead-free, no-clean chemistry classified as ROL0 under IPC J-STD-004B.
- Robust print performance with a wide window capable down to area ratios greater than 0.60.
- Repeatable transfer efficiency on fine-feature apertures suitable for 01005 components.
- Excellent coalescence performance down to 170 µm circle and square apertures.
- Achieves CpK values greater than 2.0 with transfer efficiencies between 60% and 120%.
- Outstanding electrochemical performance under harsh environmental conditions and fully pin-testable residue.
Technical Specifications and Performance Window
High-yield Surface Mount Technology (SMT) production demands reliable aperture release and consistent wetting behavior. Incorporating Kester NP575-KAP Solder Paste guarantees precise deposition and long-term joint integrity across critical assembly processes.
| Technical Parameter | Specification Details |
|---|---|
| Flux Classification | ROL0 (IPC J-STD-004B) |
| Halogen Content | Zero-Halogen |
| Alloy Type | Lead-Free |
| Cleaning Requirement | No-Clean (Pin-testable residue) |
| Area Ratio Capability | > 0.60 |
| Fine Feature Capability | Down to 01005 components / 170 µm apertures |
| Process Capability (CpK) | > 2.0 (Transfer efficiency 60% – 120%) |
Conclusion
Maximizing first-pass yield in automotive and aerospace electronics is seamless with Kester NP575-KAP Solder Paste. To obtain technical datasheets or request product samples, please connect with us via Contact – LORIOT INDUSTRIAL.
