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        3M HFE-7200
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        HFE-7200(九氟丁基乙醚)

        Introduction產品簡介


        HFE-7200是一種無色澄清,無色無味的液體物質,其中甲氧基-九氟代丁烷(C4F9OCH3)含量為99.5%,非揮發組分小于2.0pmm,專門用以替代氟利昂等“臭氧層破壞性”物質。該產品在新型的的氟氯化碳取代物產品家族中毒性最低,以8小時平均工作時間計,它的時間加權平均限制濃度200ppm。主要應用于精密電子儀器、醫療設備的清洗保清洗劑、溶劑,用于取代CFC-113、三氯乙烷、四氯化碳等。
        ●特點:無色、不燃燒,ODP值為零;表面張力低、黏度小、蒸發潛熱小。
        ●用途:特殊用途的溶劑、清洗劑、漂洗劑、無水流體、去焊劑和熱傳遞介質,主要用于電子儀表和激光盤片的清洗,顆粒雜物的去除,光學系統及精密場合下清洗。
        ●優點:由于性能最接近CFCs,可使用原有清洗設備,不需要增加設備投資,也不需要對工藝做大的改變。

        3M Novec 7200 Engineered Fluid, ethoxy-nonafluorobutane (C4F9OC2H5), is a clear, color? less and low-odor fluid intended to replace ozone-depleting substances (ODSs), compounds with high global warming potential (GWP) and chlorinated materials in many applications. Its physical properties are compared with several other ODS replacement fluid candidates in Tables 1 and 2.

        This proprietary fluid has zero ozone depletion potential and other favorable environmental properties (see Table 2). It is low in toxicity, with a time-weighted average exposure guideline of 200 ppm (eight hour average).

        Novec 7200 fluid has a higher boiling point than most CFCs, HCFCs and HFCs, reducing evaporative losses. The low surface tension and low viscosity of Novec 7200 fluid make it ideal for use in vapor degreasing and cold cleaning applications. In addition, its chemical and thermal stability, nonflammability and low toxicity make it useful for other industrial applications such as specialty solvent and heat transfer applications (see below).

        ※Cleaning and rinsing agent清洗劑或者漂洗溶劑
        Heavy-duty cleaning (co-solvent) –
        heavy oils, greases, fluxes
        Medium-duty cleaning (azeotrope)–
        oils, greases, waxes
        Light-duty cleaning (neat)–
        particulates, fluorolubes, light oils,
        fluoropolymers


        ※Lubricant carrier潤滑劑稀釋劑
        Fluorocarbons
        Hydrocarbons
        Silicones


        ※Spot-free water drying agent脫水劑
        (with surfactants added)


        ※Specialty solvents, dispersion media, reaction media特殊溶劑,分散劑或則反應媒質


        ※Spray contact cleaner噴霧罐溶劑或者推進劑


        ※CFC, HCFC, HFC and PFC replacement替代CFC,HCFC及PFC等對臭氧有破壞或者溫室效應大的溶劑


        ※Dielectric test media介電測試液


        ※Heat transfer導熱液

         

        特徴イメージ:環境特性 ?ODP/O ?短い大気壽命 ?低溫暖化係數 ?安全性 ?不燃性 ?低毒性 ?性能 ?溶解性 ?適合性 ?安定性 ?浸透性 ?乾燥性

        • 表面張力/粘度が低い。
        • 適度な溶解力を持っている。
        • 熱的?化學的安定性が高く過酸化物を形成しない。
        • 実用上無毒/ 引火點が無い。
        • オゾン破壊係數がゼロ。
        • 地球溫暖化係數が低い。
        • 各種部材との適合性に優れる。

         

        Material Description材料描述


        組成

        HFE-7200

        九氟丁基乙醚Ethoxy-nonafluorobutane

        大于99.0%

        外觀Appearance

        無色透明

        非揮發性物質Non-volatile residue (NVR)

        小于1.0 ppm

         

        Typical Physical Properties Table 1物理化學性質

        Properties性質

        HFE-7200

        HFE-7100

        HCFC-225ca/cb1

        HFC-4310mee

        化學式

        C4F9OC2H5

        C4F9OCH3

        C3Cl2HF5

        C5H2F10

        分子量

        264

        250

        203

        252

        沸點℃

        76

        61

        54

        54

        冰點℃

        ﹣138

        ﹣135

        ﹣131

        ﹣80

        液體密度2

        1.43

        1.52

        1.55

        1.58

        表面張力

        13.6

        13.6

        16.2

        14.1

        粘度(cps)

        0.61

        0.61

        0.67

        0.59

        水中溶解性3

        小于20

        12

        330

        140

        溶水能力3

        92

        95

        310

        490

        蒸汽壓4

        109

        202

        290

        226

        蒸發熱(cal/g @ boiling point)

        30

        30

        31

        34.6

        比熱(cal/g℃)

        0.29

        0.28

        0.27

        0.24

        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 – Table 2 環境、安全性質及暴露極限

        Properties性質

        HFE-7200

        HFE-7100

        HCFC-225ca/cb1

        HFC-4310mee

        臭氧破壞潛值ODP
        CFC-11 = 1.0

        0

        0

        0.03

        0.00

        溫室效應潛值
        GWP

        55

        320

        180/620

        1700

        大氣中壽命/年

        0.77

        4.1

        2.1/6.2

        17.1

        閃點

        空氣中可燃范圍

        2.4-12.4%

        安全暴露極限,ppm(平均8小時/天

        200

        750

        50

        200

        Acute Toxicity急性毒性(4 hr. LC50 [Rat])

        大于92000

        大于100000

        37000

        11000

        Materials Compatibility材料相容性
        Continuous Exposure長時間材料相容性
        Novec 7200 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.
        HFE-7200長時間和金屬以及一些硬的聚合物兼容。但是對于一些軟性聚合物或者橡膠產品必須額外做材料兼容性試驗
        Non-Continuous Exposure非持續性或者短時間材料相容
        Short-term testing of Novec 7200 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 7200 fluid will absorb into fluorinated plastics and elastomers over longer exposures.
        HFE-7200短時間,及沸騰情況下,浸泡1小時,就像全氟液體一樣,其可以和絕大多數金屬、塑料和橡膠相容。即使是一些敏感性材料例如PC(聚碳酸酯)和亞克力(PMMA),HFE-7200對其在短時間也不會有影響。當然,就像就像全氟液體一樣,如果將氟塑料或者橡膠過長時間浸泡,其也會被吸收!

        hfe-7200

         

         

         

         

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