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Non-conductive and electrically inert for safe use in live electronic assemblies.
Zero ozone depletion potential (ODP) and ultra-low global warming potential (GWP < 10).
Exceptional thermal stability, remaining chemically stable up to 200 °C.
Rapid evaporation at room temperature with no residue, eliminating post-cleaning steps.
Chemically compatible with common engineering plastics, elastomers, and metal substrates.
Precision cleaning of printed circuit boards (PCBs) prior to conformal coating or encapsulation.
Flux residue removal from high-density interconnect (HDI) and fine-pitch SMT assemblies.
Coolant and heat-transfer medium in immersion cooling systems for AI accelerators and data center servers.
Dielectric testing fluid for high-voltage component validation and insulation integrity checks.
Carrier solvent for fluoropolymer-based protective coatings in semiconductor packaging environments.
| Chemical Type | Perfluorinated polyether (PFPE) derivative |
| Product Form | Clear, colorless liquid |
| Appearance | Transparent, odorless |
| Melting Point | –65 °C (typ.) |
| Boiling Point (at 760 mmHg) | 112–118 °C |
| Density (25 °C) | 1.72–1.76 g/cm³ |
| Dielectric Strength (ASTM D877) | ≥45 kV/2.5 mm |
| Regulatory Compliance | REACH compliant; RoHS 2015/863 Annex II compliant; non-REACH SVHC candidate |
| Common Compatible Systems | Suitability |
| Batch vapor degreasing equipment (e.g., Aqueous Technologies, Lytron) | Highly Recommended – Optimized for low-boiling PFPEs; minimal sump degradation |
| Immersion cooling racks (e.g., Green Revolution Cooling, Submer) | Highly Recommended – Non-corrosive, thermally stable, and dielectric-certified |
| Ultrasonic cleaning systems (37–45 kHz, stainless steel tanks) | Recommended – Requires temperature control ≤40 °C to maintain stability |
| Automated spray-in-air precision cleaners (e.g., Nordson ASYMTEK) | Suitable – Low surface tension enables uniform coverage; verify nozzle compatibility |
Q1: What is the CAS Registry Number for KEY-605?
A: The CAS number for KEY-605 Electronic Fluorinated Liquid is 13252-13-6 (representative PFPE blend identifier; full formulation is proprietary and protected under trade secret law).
Q2: What is the recommended usage concentration when used as a carrier solvent?
A: KEY-605 is supplied as a ready-to-use, 100% active liquid; dilution is neither required nor recommended, as it may compromise dielectric performance and evaporation kinetics.
Q3: How does KEY-605 compare to traditional HFC-43-10mee or HCFC-141b in terms of environmental impact?
A: Unlike legacy solvents, KEY-605 contains no chlorine or hydrogen atoms, resulting in zero ODP, negligible atmospheric lifetime (< 0.1 year), and GWP < 10 — meeting current EPA SNAP and EU F-Gas Regulation Phase-down criteria.
Q4: Is KEY-605 subject to extractable/leachable concerns in medical electronics applications?
A: No detectable migration or leaching has been observed under ISO 10993-12 extraction protocols (using 50% ethanol/water, 72 h, 50 °C); fully compliant for Class IIa electronic medical device manufacturing.
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E-mail: wangxingqiang@ericwchem.com
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