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Kester 275 no-clean flux – formulated for wave soldering and touch-up, delivering excellent solderability, fast wetting, and reliable surface insulation resistance while leaving safe, minimal residues that eliminate the need for cleaning.

  • Item Number: 275

  • Manufacturer: Kester®

  • Flux Type/ Chemistry: No-clean, low-solids flux

  • Viscosity/ Form: Low viscosity liquid

  • Activity/ Classification: IPC J-STD-004 classification ROL0

  • Packaging: Contact to Techniq VN for details.

  • Shelf Life: Contact to Techniq VN for details.

1. Product Overview

Kester 275 No-Clean Flux is a high-performance, environmentally compliant flux formulated for both lead-free and tin-lead soldering applications. It provides excellent wetting, reliable solder joint formation, and minimal residues, ensuring consistent quality and high reliability in electronic assemblies. Its formulation is optimized for precision soldering and supports fine-pitch and high-density PCB components.

2. Applications

275 No-Clean Flux is suitable for wave soldering, selective soldering, hand soldering, and rework processes. It is widely used in PCB assembly, repair, and rework operations where accuracy and consistent soldering performance are required. The flux performs reliably in both automated and manual soldering operations.

3. Typical Properties – Specifications

  • Flux Type: No-clean, mildly activated

  • Form: Liquid

  • Halogen Content: Halogen-free

  • Residues: Minimal, non-corrosive, suitable for no-clean processes

  • Compatibility: Works with lead-free and tin-lead solder alloys

  • Activation: Provides consistent wetting and reliable solder joints

  • Storage: Store in a cool, sealed container to maintain flux activity and shelf life

BERGQUIST microTIM mTIM 1028 Thermal Interface Coating High performance thermal management solution for nickel finished heat sinks, optical transceivers, and data center liquid cooling systems

BERGQUIST microTIM mTIM 1028 is purpose built for riding cage assemblies in servers, switches, and routers, interfacing with electroless nickel plated copper or aluminum heat sinks. It ensures stable operation in high power transceiver modules while also extending applicability to liquid cooling components, heat pipes, and fin based dissipative structures.

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