Applications

ATRON® SP 300 – Alkaline Cleaner – Flux Removal from Solder Pallets, Cyclones, Condensation Traps

  • Item Name: ATRON® SP 300

  • Manufacturer: ZESTRON

  • Soil/Flux Compatibility: Baked-On Fluxes, Solder Pastes, SMT or Conductive Adhesives

  • Chemistry/Key flags: Water-based, aqueous-alkaline, biodegradable, halogen-free, solid-content-free, low VOC, lead-free compatible

  • Process/Equipment: Batch cleaning, air-assisted cleaning, spray-under-immersion, spray-in-air, hot/circulating air drying

  • Package Size: 1 L, 5 L, 25 L, 200 L

  • Shelf Life: 5 years

1. Product Overview
ATRON® SP 300 is a water-based, alkaline cleaning medium engineered for the removal of baked-on flux residues from solder pallets, condensation traps, and cyclones. Its solid content-free formulation eliminates the need for water rinsing or active drying in most processes, ensuring reduced operating costs and exceptional process efficiency. With a long bath life, low VOC emissions, and excellent material compatibility, it provides a sustainable, eco-friendly solution. Fully compliant with RoHS, WEEE, and REACH, it is extensively tested and suitable for cleaning lead-free solder pastes.


2. Applications

  • Removal of baked-on flux residues from solder pallets, condensation traps, and cyclones.

  • Cleaning maintenance parts in both batch cleaning systems and spray-in-air equipment.

  • Suitable for use in air-assisted and spray-under-immersion cleaning processes.

  • Applicable to solder paste and flux residue removal across a wide range of materials.

  • Recommended for manufacturers seeking cost-efficient cleaning with minimal rinsing requirements.

3. Typical Properties – Specifications

  • Appearance: Water-based alkaline solution

  • Density (20°C): 0.99 g/cm³

  • Surface tension (25°C): 30.4 mN/m

  • Boiling range: 99–229°C / 210–444.2°F

  • Flash point: None until boiling

  • pH (10 g/l H₂O): 11.2

  • Vapor pressure (20°C): ~18.7 mbar

  • Cleaning temperature: 20–70°C / 68–158°F

  • Application concentration: Ready-to-use or 10–25% concentrate

  • Solubility: Fully soluble in water

  • HMIS rating: Health 1 – Flammability 0 – Reactivity 0

  • Compliance: RoHS 1/2/3, WEEE, REACH; compatible with lead-free solder pastes

  • Packaging: 1 L, 5 L, 25 L, 200 L

  • Shelf life: Minimum 5 years in sealed containers stored at 5–30°C

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