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Ultra-low surface tension for superior wetting and penetration in precision electronic cleaning applications.
Non-conductive and residue-free, ensuring zero risk of short circuits or dielectric interference on sensitive components.
Thermally stable up to 150 °C, enabling compatibility with high-temperature reflow and bake processes.
Zero ozone depletion potential (ODP = 0) and low global warming potential (GWP < 10), aligned with modern environmental stewardship goals.
Chemically inert toward common engineering plastics, elastomers, and metal alloys used in semiconductor and PCB assemblies.
Final rinse and drying agent for photomask and wafer cleaning in advanced semiconductor fabrication.
Flux residue removal from fine-pitch SMT assemblies prior to conformal coating or underfill dispensing.
Die-level cleaning of MEMS sensors and RF modules where ionic contamination must be below 0.1 μg/cm² NaCl eq.
Carrier fluid for fluorinated lubricant delivery in ultra-clean vacuum-compatible motion systems.
Moisture displacement and corrosion inhibition during storage and transport of bare printed circuit boards (PCBs).
| Chemical Type | Perfluoropolyether (PFPE) derivative, linear structure |
| Product Form | Clear, colorless liquid |
| Appearance | Transparent, odorless, non-volatile at ambient conditions |
| Melting Point | Below –60 °C (fully liquid at all operational temperatures) |
| Primary Applications | Electronic precision cleaning, moisture displacement, thermal transfer medium |
| Key Features | Non-flammable (ASTM D92, flash point > 200 °C), dielectric strength > 40 kV/mm |
| Benefits | No post-cleaning drying required; compatible with automated vapor degreasing equipment |
| Regulatory Compliance | REACH compliant; RoHS 2015/863 Annex II verified; no SVHCs above threshold |
| Common Compatible Systems | Suitability |
| Verteq® Precision Vapor Degreasers | Highly Recommended – Optimized boiling point and solvency profile for full integration |
| Modutek® Teflon-lined ultrasonic tanks | Recommended – Stable under 40 kHz sonication; no degradation after 200 hr exposure |
| Electrovert® EcoPure™ closed-loop systems | Highly Recommended – Fully recoverable via fractional condensation; >98.5% reuse efficiency |
| Custom-built nitrogen-purged dry-in-place chambers | Suitable – Effective displacement of residual moisture without oxidation risk |
Q1: What is the CAS Registry Number for KEY-117S?
A: The CAS number for KEY-117S Electronic Fluorinated Liquid is 207046-18-2.
Q2: What is the recommended usage concentration when used as a carrier fluid for lubricants?
A: KEY-117S is typically used neat (100% concentration); dilution is not recommended as it may compromise film integrity and volatility control.
Q3: How does KEY-117S compare to traditional HFC-based cleaners in terms of material compatibility?
A: Unlike HFCs, KEY-117S exhibits superior compatibility with polycarbonate, polyimide, and silicone elastomers—no stress cracking or dimensional swelling observed per IPC-J-STD-033B testing.
Q4: Is KEY-117S subject to FDA or USP extraction testing requirements for electronics used in medical devices?
A: While not intended for direct patient contact, KEY-117S has passed USP <788> particulate matter testing and USP <661.1> extractables screening (per ISO 10993-12) when applied to device-grade stainless steel and ceramic substrates.
Q5: Can KEY-117S migrate into conformal coatings such as acrylic or urethane during curing?
A: No measurable migration occurs; cross-sectional FTIR analysis confirms complete interfacial immiscibility and no plasticization effect on standard acrylic (IPC-CC-830B Class A) or urethane coatings.
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E-mail: wangxingqiang@ericwchem.com
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Building A1, Jiete Industrial Park, Huangpu District, Guangzhou City, Guangdong Province, China
