KLEA®404A

商標 Trademark：KLEA

簡介 Introduction：

對於新的和改造的應用，R-22和R-502的可行替代品。
它是超市和其他商業應用的良好製冷劑。
為了降低GWP，KLEA®407A提供了KLEA®404A的良好替代品。
組成（重量％）R-143a / R-125 / R-134a ＝ 52/44/4。
請注意，並非所有產品在所有市場上都可用

A viable alternative to R-22 and R-502 for new and retrofit applications.
It is a good refrigerant for supermarkets and other commercial applications. For a reduced GWP, KLEA®407A offers a good alternative to KLEA®404A.
Composition (wt%) R-143a/R-125/R-134a = 52/44/4.
Please note that not all products are available in all markets.

⇒KLEA®404A 安全資料表下載 SDS Download

KLEA®404A 物理性質 Physical Properties

屬性 Property	國際單位制 S.I.Units	英制單位 British Units
泡點 Bubble Point	-46.9 (°C @ 1 atm)	-52.4 (°F @ 14.7 psia)
露點 Dew Point	-46.1 (°C @ 1 atm)	-51.0 (°F @ 14.7 psia)
蒸發流逝 Evaporator Glide	0.5 (°C @ 1 atm)	1.0 (°F @ 14.7 psia)
泡點壓力 Bubble Point Pressure	12.6 (bara @ 25°C)	182.75 (psia @ 77°F)
臨界溫度 Critical Temperature	71.6°C (kJ/kg @nBpt)	160.9 (°F)
潛熱蒸發 Latent Heat Vaporisation	144.5(kJ/kg @ 25°C)	62.13 (Btu/lb @ 77°F)
熱膨脹係數 Coeff. Vol. Therm. Exp.	0.0044 (K^-1 0-20°C)	0.002292 (°F^-1 40-80 °F)
飽和蒸氣密度 Saturated Vapour Density	5.39 (kg/m³ @nBpt)	0.336 (lb/cuft @nBpt)

KLEA®404A 規格 Specification

特性項目 PROPERTIES TEST	驗收值 ACCEPTANCE VALUES
外觀 Appearance	清澈無色液化氣 Clear, colourless liquefied gas.
純度 Purity by Weight	99.9% Minimum
134A Content % by weight	4.0± 1.0
125 Content % by weight	44.0 ± 1.0
143a Content % by weight	52.0 ± 1.0
不飽和雜質 Unsaturated Impurities (ppm by weight)	40 maximum
酸度 Acidity ppm by weight	1 ppm max
含水量 Water content ppm by weight	10 ppm Maximum
鹵化物 Halides ppm by weight	3 ppm Maximum
蒸發殘留物 Evaporation Residue by weight	10 ppm w/w Maximum
不可吸收的氣體 Non absorbable gases % by volume (vapour phase)	1.5% Maximum

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