Item Name: ZESTRON® FA+
Manufacturer: ZESTRON
Soil/Flux Compatibility: All flux residues, leaded/lead-free solder pastes, tacky fluxes, Flip Chips/CMOS
Chemistry/Key flags: Solvent-based, pH-neutral, surfactant-free, halogen-free, biodegradable, RoHS & WEEE compliant
Process/Equipment: Dip tank, ultrasonic, spray-under-immersion, centrifugal cleaning, 40–55°C, DI-water rinse, hot/air drying
Package Size: 1 L, 5 L, 25 L, 200 L
Shelf Life: 5 years
1. Product Overview
ZESTRON® FA+ is a solvent-based cleaning agent designed for defluxing in semi-aqueous processes. It effectively removes all types of flux residues from electronic assemblies, ceramic hybrids, power electronics—including power modules, leadframe-based discretes, and power LEDs—and packages such as Flip Chips/CMOS. The product offers high cleaning performance, superior bath loading capacity, and long bath life. Its surfactant-free formulation allows easy rinsing, while ensuring void-free underfills and enhanced image resolution. It is biodegradable, halogen-free, and environmentally compliant.
2. Applications
Defluxing of PCBAs, ceramic hybrids, power electronics, and packages.
Cleaning Flip Chips and CMOS assemblies to ensure void-free underfills.
Improves wire bonding and molding quality for power modules, leadframe-based discretes, and power LEDs.
Compatible with dip tank (ultrasonic and spray-under-immersion) and centrifugal cleaning systems.
Suitable for lead-free solder paste removal.
3. Typical Properties – Specifications
Density: 0.94 g/ccm at 20°C
Surface tension: 29.7 mN/m at 25°C
Boiling point: 162–190°C
Flash point: 75°C
pH value: 10.4 (10 g/L H₂O)
Vapor pressure: 0.47 mbar at 20°C
Cleaning temperature: 40–55°C
Solubility: Soluble in water
Application concentration: Ready-to-use
HMIS Rating: 1–2–0
Compliance: RoHS, WEEE, Reach
Standards met: IPC-A-610, J-STD-001, IPC-5704, IPC-Hdbk-65B
Additional Features
Long bath life and low maintenance due to high bath loading capability.
Available in 1, 5, 25, and 200 L ready-to-use containers with a minimum shelf life of 5 years.
Filtration is recommended to extend bath life.
Process optimization products such as ZESTRON® Adsorber HM1 are available for heavy metal adsorption.
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Techniq Vietnam provides end-to-end materials and process solutions, integrating world-class technologies in adhesives, soldering, and thermal management.
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