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Kester 959T liquid flux – halogen-free, no-clean formulation optimized for wave soldering and touch-up, offering fast wetting, superior solder joint reliability, and exceptionally low, non-corrosive residues for high-density PCB assemblies.

  • Item Number: 959T

  • Manufacturer: Kester®

  • Flux Type/ Chemistry: Halogen-free, no-clean liquid 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 959T Liquid Flux is a high-performance, no-clean flux formulated for lead-free and tin-lead soldering applications. It provides superior wetting, reliable solder joint formation, and minimal residues, ensuring consistent performance in electronics assembly. The flux is engineered to support fine-pitch and high-density PCB components, offering precision and repeatability.

2. Applications

959T is suitable for wave soldering, selective soldering, hand soldering, and rework processes. It is commonly used in PCB assembly, repair, and high-density electronics manufacturing. Its excellent rheology and activation ensure reliable results 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, compatible with no-clean processes

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

  • Activation: Ensures consistent wetting and strong solder joints

  • Storage: Store in a cool, sealed container to preserve 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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