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Perfluorobutyl methyl ether HFE7100

Engineered HFE fluid for precision cleaning, vapor degreasing, heat transfer & dielectric-safe processing

FLINK 7200 is an engineered hydrofluoroether (HFE-7200) specialty fluid developed for precision cleaning, vapor degreasing, rinsing, and dielectric-safe processing in electronics and high-value manufacturing. 

FLINK 7200 is based on ethoxy-nonafluorobutane (C₄F₉OC₂H₅), it delivers fast wetting, controlled evaporation, and ultra-low residue performance—ideal for removing light oils, fingerprints, particulates, and fluorinated soils from complex parts and assemblies. Its low surface tension helps the fluid penetrate tight clearances, micro-gaps, and intricate geometries, improving cleaning coverage and rinse-out efficiency. 

With a stable boiling point (~76 °C), FLINK 7200 supports repeatable vapor degreasing cycles and consistent drying behavior. The fluid is non-conductive and offers strong dielectric properties, making it suitable around sensitive electronics, connectors, and electrical components where water-based or conductive cleaners are not acceptable. It is non-flammable, low odor, and chemically stable, supporting safer plant handling and reliable long-term performance. 

FLINK 7200 is also positioned as a modern alternative to ozone-depleting and certain legacy high-impact fluids, offering zero ozone depletion potential (ODP) and a reduced environmental profile. Beyond cleaning, it is used as a carrier solvent for lubricant deposition, and as a specialty medium in extraction, dispersion, and reaction workflows where controlled volatility and clean evaporation are required.

General Characteristics

Fluid type

Hydrofluoroether (HFE-7200)

Chemical description

Ethoxy-nonafluorobutane

Formula

C₄F₉OC₂H₅

CAS No.

163702-06-5 and 163702-05-4 (inseparable isomers)

Typical purity

≥ 99.0%

Non-volatile residue (NVR)

≤ 1.0 ppm

Typical applications

Precision cleaning / degreasing

Vapor degreasing solvent for cleaning and rinsing stages
Cold cleaning / wipe solvent for sensitive parts and flex circuits
Spray contact cleaner for electronics and electromechanical components
Light-duty cleaning (neat) for particulates, fluorolubes, light oils, fluoropolymers

Carrier solvent & deposition

Lubricant carrier for controlled deposition / transport and uniform spreading

Specialty process solvent

Dispersion medium for select chemistries
Extraction solvent for targeted removal steps
Reaction/process medium where clean evaporation and low residue matter

Thermal management (selected uses)

Heat-transfer fluid use in specific thermal management workflows

Property Unit Typical Value
Boiling point (1 atm) °C 34
Freeze / pour point °C –122
Molecular weight g/mol 200
Vapor pressure kPa 65
Latent heat of vaporization kJ/kg 142
Liquid density kg/m³ 1400
Kinematic viscosity (25 °C) cSt 0.32
Kinematic viscosity (–80 °C) cSt 2.0
Kinematic viscosity (–120 °C) cSt 17
Specific heat J·kg⁻¹·K⁻¹ 1300
Thermal conductivity W·m⁻¹·K⁻¹ 0.075
Surface tension dyn/cm 12.4
Dielectric strength (0.1” gap) kV > 25
Dielectric constant 7.4

Benefits

Ultra-Low Surface Tension

Achieves surface tension below 20 mN/m, enabling rapid wetting and perfect film formation even on very low-energy substrates.

Superior Wetting on Difficult Surfaces

Ensures excellent coverage on PE, PP, PTFE, EVA, rubber, oily surfaces, and contaminated substrates where conventional surfactants fail.

Enhanced Leveling & Anti-Cratering

Eliminates defects like fisheyes, orange peel, and crater formation by improving flow and spreading in both water-borne and solvent-borne systems.

High Solvent Compatibility

Shows >10% solubility in water, alcohols, ketones, esters, and aromatics—ensuring easy incorporation into diverse coating systems.

Low-Dosage Efficiency

Delivers strong performance at 0.05–0.1%, reducing formulation cost while providing superior wetting and flow characteristics.

Non-Ionic & Broad System Compatibility

Compatible with acrylics, PU, epoxy, UV systems, inks, adhesives, and resin blends without interfering with curing or recoatability.

Improved Adhesion on Challenging Polymers

Boosts primer and topcoat adhesion on EVA, plastics, rubber goods, and difficult polymer surfaces by enabling uniform substrate wetting.

Stable Across Wide pH & Temperature Range

Maintains strong wetting performance in harsh processing conditions, high-solids systems, and elevated temperatures.

Reduces Surface Defects in Inks & Coatings

Improves print sharpness, coating uniformity, and film smoothness by minimizing pinholes, micro-bubbles, and surface irregularities.

Enhances Flow in High-Solids & UV Systems

Ensures uniform film spread and defect-free leveling even in fast-curing or high-viscosity formulations.

Materials compatibility (practical guidance)

FLINK 7200 is generally compatible with most metals and many plastics, making it useful for mixed-material assemblies. For soft plastics and elastomers, compatibility can vary depending on plasticizer content and exposure time/temperature. In sensitive systems, validate with your exact materials, especially for seals, O-rings, gaskets, and adhesive-bonded parts. Some fluorinated plastics and elastomers may absorb fluorinated fluids over long exposures—so testing under real operating conditions is recommended.

Environmental & safety profile (typical)

Ozone depletion potential (ODP)

0.00

Global warming potential (GWP, 100-yr)

55

Atmospheric lifetime

0.77 years

Worker exposure guideline (8-hr TWA)

200 ppm

Often specified for programs requiring VOC-exempt / clean-air solvent positioning (region-specific; verify local rules)

Storage & Handling Guidelines

Always refer to the latest SDS and follow standard industrial hygiene practices.

Use in well-designed equipment (sealed tanks, proper ventilation, recovery where applicable) to minimize losses and maintain consistent process performance.

Keep containers tightly closed, protect from contamination, and maintain clean filtration/housekeeping practices to preserve low-residue behavior.

Packaging Information - Surflon S 386

Standard Packaging

Supplied in 20 kg pails with sealed lids to ensure product stability and prevent contamination during storage and handling.

Custom Packaging Options

Available in 1 kg and 5 kg packs for laboratory use, sampling, R&D trials, and small-scale production requirements.

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