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3M Novec 71DE Engineered Fluid: Comprehensive Product Analysis
Product Overview
3M Novec 71DE Engineered Fluid is a precision azeotropic mixture composed of Methyl Nonafluorobutyl Ether (C₄F₉OCH₃) and trans-1,2-dichloroethylene (t-DCE), representing the latest advancement in hydrofluoroether technology for industrial cleaning applications. The product maintains constant vapor and liquid composition at its boiling point, providing exceptional process stability and repeatability for medium-duty cleaning and degreasing tasks.
As an environmentally responsible solution, Novec 71DE is specifically engineered to replace ozone-depleting substances in various applications while meeting the dual requirements of cleaning efficiency and environmental performance in modern manufacturing. With zero ozone depletion potential and excellent environmental characteristics, the product offers exposure guidelines of 750 ppm (8-hour average) for the Novec 7100 component and 200 ppm (8-hour average) for trans-1,2-dichloroethylene, providing ample safety margin for industrial applications.
Physical-Chemical Properties Analysis
1.Key Physical Parameters
Novec 71DE features a boiling point of 41°C, providing sufficient cleaning power while ensuring safe operation in most industrial environments. The liquid density of 1.37 g/ml and surface tension of 16.6 dynes/cm ensure excellent wetting and penetration capabilities. With viscosity of only 0.45 cP, the fluid easily accesses microscopic structures and complex geometries.
2.Thermodynamic and Solvency Characteristics
The product's Kauri-Butanol value of 27 indicates moderate solvency power, effectively removing contaminants while minimizing erosion of sensitive materials. Vapor pressure of 383 mmHg and heat of vaporization of 48 cal/g collectively optimize its performance in vapor phase cleaning and energy-efficient operations. The freezing point of -24°C ensures reliable use in most climatic conditions.
Application Areas and Solutions
Medium-Duty Cleaning Applications
Novec 71DE demonstrates excellent performance in defluxing and degreasing applications. The enhanced solvency power and low surface tension, combined with constant composition during boiling, make it particularly suitable for immersion and vapor degreasing applications. It effectively removes oils, greases, waxes, and various industrial contaminants.
Specialty Solvent Applications
As a specialty solvent, Novec 71DE is suitable for coating and lubricant deposition applications requiring enhanced solvency power. The constant composition ensures process consistency and repeatability, providing reliable solvent solutions for precision manufacturing.
Integrated Processing Solutions
The product serves as an integrated cleaning, rinsing, and drying agent, simplifying process flows while reducing equipment investment and operational costs. Particularly suitable for industrial applications requiring high-efficiency processing.
Process Optimization and Operation Guidelines
Process Parameter Control
The 41°C boiling point enables simpler temperature control with lower energy consumption. Optimization of processing time, temperature, and agitation conditions according to specific contaminant types and substrate characteristics is recommended. The azeotropic characteristic ensures composition stability during continuous operation, reducing the need for process adjustments.
Equipment Configuration Recommendations
Suitable for standard immersion cleaning systems and vapor degreasing equipment. Installation of appropriate condensation recovery systems is recommended to improve solvent utilization efficiency. Equipment materials should select stainless steel or nickel-plated materials compatible with both components.
Novec 71DE
HOSCIEN TECH(TIANJIN)CO.,LTD.
Telephone:8622-2859-9761
Fax: 8622-2859-9762
Address: No.5 Juxing Road, Haihe Science Park, Jinnan District, Tianjin
Telephone:+81-(0)568-65-8079
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Komaki-shi,Aichi, 485-0011,JAPAN
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