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MacDermid Alpha®- Alpha 100-40 liquid flux – designed for wave soldering and high-speed soldering, providing excellent wetting, low residue, and consistent soldering reliability across challenging PCB assemblies

  • Item Number: 100-40

  • Manufacturer: MacDermid Alpha®

  • Flux Type/ Chemistry: Rosin-based, mildly activated (RMA) liquid flux

  • Viscosity/ Form: Low viscosity liquid

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

  • Packaging: Contact to Techniq VN for details.

  • Shelf Life: Contact to Techniq VN for details.

1. Product Overview

Alpha 100-40 Liquid Flux is a high-performance, no-clean flux designed for both lead-free and tin-lead soldering applications. It provides excellent wetting, consistent solder joint formation, and minimal residues, ensuring reliable and high-quality performance in electronics assembly. The flux formulation is optimized for fine-pitch components and high-density PCB assemblies, delivering precision and repeatable soldering results.

2. Applications

100-40 flux is suitable for wave soldering, selective soldering, hand soldering, and rework operations. It is widely used in PCB assembly, repair, and high-density electronics manufacturing where accurate and controlled soldering is essential. The flux performs effectively in both automated and manual soldering methods.

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: Provides consistent wetting and reliable solder joints

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

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