Extruded vinyl aromatic foam with 1, 1, 1, 2 - tetrafluoroethane and alcohol as blowing agent.
使用1,1,1,2-四氟乙烷和醇作为发泡剂的挤塑乙烯基芳族泡沫塑料。
Technology: tetrafluoroethane by ordinary heating regardless of the heating of the outer casing and tetrafluoroethylene in the terminal plastic junction box is processed.
工艺：四氟加热管它是由普通加热管的外层加四氟套管，在接线端用塑料接线盒加工而成。
Analysis of Components of Synthetic 1, 1, 1, 2-tetrafluoroethane and Its Related By-Products From Vapor Phase Catalytic Fluorination by Gas Chromatography-Fourier Transform Infrared Spectroscopy.
气相催化氟化合成的1,1,1,2 -四氟乙烷及其相关副产物组分的气相色谱-红外光谱分析。
Analysis of Components of Synthetic 1, 1, 1, 2-tetrafluoroethane and Its Related By-Products From Vapor Phase Catalytic Fluorination by Gas Chromatography-Fourier Transform Infrared Spectroscopy.
气相催化氟化合成的1,1,1,2 -四氟乙烷及其相关副产物组分的气相色谱-红外光谱分析。
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