R410a

Question

R410a

Accepted Answer

R410A

R410ais a clorless gas under ordinary temperature, and a colorlss & TransparentLiquid under the pressure of itslf, mixed by HFC-32 and HFC-125. And it is thesubstitute for R22, mainly used in the air conditioners and other refrigeratigsystems.

Properties：

Index	Unit	R410A
Chemical formula		R-32/R-125
Molecular weight	g/mol	72.58
Boiling point	℃	-51.53
Critical temperature	℃	72.13
Critical pressure	MPa	4.93
Saturated liquid density (25℃)	g/cm³	1.062
Liquid specific heat (25℃)	KJ/(Kg ·℃)	1.84
Equip pressure specific heat (Cp) (25℃) 101.3kPa	KJ/(Kg ·℃)	0.832
Critical density	g/cm³	0.489
Vaporization heat at boiling point	KJ/Kg	276.2
ODP		0
GWP		0.42

QualitySpecification：

Index	Excellent Grade
Appearance	Colorless , not turbid
Odor	No strange stench
Purity % ≥	99.8
Moisture % ≤	0.001
Acidity (as HCl) % ≤	0.00001
Evaporation residue % ≤	0.01
Chlorides(Cl-) test % ≤	0.0003
No condensable gas (V/V) % ≤	1.5

Packing：11.3kg/30P unrefillable steel cylinders;760kg/800L,870kg/926L returnablesteel

cylinders,or ISO TANK. The filling index is less than0.95kg/L. It must be kept in cool,dry and well-ventilated places, away fromsunshine and rainfall.

性状用途：

R410A混合制冷剂是由R32和R125混合而成，在常温下为无色气体，在自身压力下为无色透明液体，是R22的替代品，主要用于空调和制冷系统。

物理性质：

	单位	R410A
分子式		R-32/ R-125
分子量	g/mol	72.58
沸点	℃	-51.53
临界温度	℃	72.13
临界压力	MPa	4.93
饱和液体密度 (25℃)	g/cm³	1.062
液体比热 (25℃)	KJ/(Kg·℃)	1.84
等压蒸气比热 (25℃)	KJ/(Kg·℃)	0.832
临界密度	g/cm³	0.489
沸点时蒸发潜热	KJ/kg	276.2
ODP		0
GWP		0.42

质量指标：

指标名称	优等品
外观	无色、澄清
气味	无异臭
纯度 ( % ≥)	99.8
水份( % ≤)	0.001
酸度 ( 以HCl计 ) ,( % ≤)	0.00001
蒸发残留物 ( % ≤)	0.01
氯化物(Cl^-) ( % ≤)	0.0003
不凝性气体的体积分数 ( % ≤)	1.5