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3M Novec HFE-7100 Engineered Fluid, methoxy-nonafluorobutane (C4F9OCH3), is a clear,colorless and low-odor fluid intended to replace ozone-depleting substances (ODSs) and compounds with high global warming potential (GWP) in many applications. Its physical properties are compared with several other ODS replacement fluid candidates.
This proprietary fluid has zero ozone depletion potential and other favorable environment properties. It has one of the best toxicological profiles of CFC replacement materials, with a time-weighted average exposure guideline of 750 ppm (eight hour average).
The high boiling point and low surface tension of Novec 7100 fluid make it ideal for use in vapor degreasing applications as a neat (pure), azeotropic component or co-solvent part cleaner. In addition, its chemical and thermal stability, non-flammability and low toxicity make it useful for many other industrial and specialty solvent applications (see below).

��Cleaning and rinsing agent��ϴ������Ưϴ�܄�
Heavy-duty cleaning (co-solvent) �C
heavy oils, greases, fluxes
Medium-duty cleaning (azeotrope)�C
oils, greases, waxes
Light-duty cleaning (neat)�C
particulates, fluorolubes, light oils,
fluoropolymers

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Fluorocarbons
Hydrocarbons
Silicones
��Spot-free water drying agentÓˮ��
(with surfactants added)
��Specialty solvents, dispersion media,
reaction media

��Spray contact cleaner���F�޵����M(j��n)��

��CFC, HCFC, HFC and PFC replacement���CFC, HCFC, HFC and PFC

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��Heat transfer��(d��o)��Һ

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Material Description��������

Typical Physical Properties Table 1�������W(xu��)���|(zh��)

1- g/ml @ 25��C 2-dynes/cm @ 25��C 3-ppm by weight 4-mm Hg @ 25��C

Environmental and Safety Properties and Exposure Guidelines �C Table 2 �h(hu��n)������ȫ���|(zh��)����¶�O��

Materials Compatibility����������
Continuous Exposure�L(zh��ng)�r(sh��)�g����������
Novec 7100 fluid is compatible with most metals and hard polymers. Soft and elastomeric
materials should be limited to compounds that contain the least amount of extractable
plasticizer.
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Non-Continuous Exposure�dz��m(x��)�Ի��߶̕r(sh��)�g��������
Short-term testing of Novec 7100 fluid demonstrates compatibility, after one hour exposure at
boiling temperature, with a wide range of metals, plastics and elastomers, similar to the performance of perfluorinated liquids. Good short-term compatibility with particularly sensitive
plastics such as polycarbonate and PMMA indicates utility in cleaning of assemblies containing
many composite materials. As with most fluorinated liquids, Novec 7100 fluid will absorb into fluorinated plastics and elastomers over longer exposures.
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