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Aculon® 71DE Offset is an advanced cleaning fluorinated solvent designed for medium-duty immersion cleaning and vapor degreasing tasks. It can replace alternative ozone-depleting cleaning materials while providing a low-cost, time-efficient option. Engineered to be a drop in replacement for 3M Novec 71DE, which has been discontinued by 3M as of 2025.
Product type: Fluorinated solvent, cleaner
Color: Clear, colorless
Solids: None
Solvent: Fluorosolvent, t-DCE
Viscosity: <1 cp
Boiling point: 41°C
Freeze point: −24°C
Heat of vaporization @ boiling point: 48 cal/g
Specific gravity: 1.37 g/mL
Surface tension: 16.6 dynes/cm
Kauri-butanol value: 27
Vapor pressure: 383 mm/Hg
Shelf life: 2 years
Aculon® 71DE Offset is a high-solvency cleaning solution formulated to effectively remove light oils, medium oils, greases, silicones, waxes, fluorogreases, fluorolubes, and fluorosilicones from operating surfaces. Aculon 71DE Offset is a formulated fluorinated azeotrope solvent blend that offers consistent vapor and liquid composition at its boiling point of 41°C.
With faster cycle times, lower energy usage, and enhanced cleaning performance, Aculon® 71DE Offset allows for a reduction in operation cost and a boost in overall efficiency. Aculon® 71DE Offset is also nonflammable and exhibits low surface tension and toxicity. It can be applied to ceramic, metal, and solvent-resistant plastics for easy maintenance cleaning using spray cleaning, vapor degreasing, immersion, or hand-wiping application methods.
Aculon® 71DE Offset provides an environmentally sustainable alternative for ozone-depleting cleaning materials due to its low global warming potential (GWP) and zero ozone depletion potential (ODP). And Aculon® 71DE Offset is a direct offset to Novec 71DE. So if you're looking for alternatives, we have samples readily available to assist with your qualification process.
Product type: Fluorinated solvent, cleaner
Color: Clear, colorless
Solids: None
Solvent: Fluorosolvent, t-DCE
Viscosity: <1 cp
Boiling point: 41°C
Freeze point: −24°C
Heat of vaporization @ boiling point: 48 cal/g
Specific gravity: 1.37 g/mL
Surface tension: 16.6 dynes/cm
Kauri-butanol value: 27
Vapor pressure: 383 mm/Hg
Shelf life: 2 years
Slow cleaning cycle times of aqueous cleaning options, leading to wasted time and money Harmful chemistry exposure from CFCs, HCFCs, HFCs, TCE, or nPB-based solvents
Aculon 71DE Offset is a premier cleaning solvent that can be used successfully across a wide range of applications, including but not limited to the following: Medium-duty vapor degreasing Immersion cleaning applications Hand-wipe cleaning Spray cleaning
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