中孚五号冷媒 ZL-5A

Product Introduction:

应用领域格氏反应傅克反应硝化反应等危险合成工艺。超导传热真空精馏 FD（真空冻干）超低温深冷系统等物化特性可燃不挥发不腐蚀低温流动性好温度宽带-60℃—220℃注意事项冲注前保证系统洁净无水分，大型系统尽量采用N2承压式密闭膨胀循环

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应用领域

格氏反应傅克反应硝化反应等危险合成工艺。超导传热真空精馏 FD（真空冻干）超低温深冷系统等

物化特性

可燃不挥发不腐蚀低温流动性好

温度宽带

-60℃—220℃

注意事项

冲注前保证系统洁净无水分，大型系统尽量采用N₂承压式密闭膨胀循环

中孚五号常用物性参数表

温度	比热容 (kj/kg·k)	导热系数 (w/m·k)	粘度 mPa·s(cp)	密度 (g/ml)
20℃	2.852	0.378	4.15	0.8632
0℃	2.647	0.3607	7.67	0.8808
-10℃	2.545	0.3508	11.18	0.8896
-20℃	2.445	0.3408	16.29	0.8964
-30℃	2.344	0.3299	21.60	0.9013
-40℃	2.242	0.3211	27.84	0.9063
-50℃	2.142	0.3098	33.56	0.9098
-60℃	2.036	0.2992	41.35	0.9131

中孚五号无水载冷剂参数表参考值
冰点（℃）	-60.7
沸点（℃）	250
闪点（℃）	220
有效物质量浓度（w%）	98-99%
助剂（w%）	1-2%
酸碱度（PH）	7

中孚五号腐蚀试验

中孚五号腐蚀试验（挂片规格Ⅱ/型浸泡168h）GBT 18175-2000

实验项目	测试前重量 (g)	测试后重量 (g)	测试小时数 (g)	测试后失重 (mg)	腐蚀速率 (g/m²h)	腐蚀速率 (mm/a)
A3钢	13.0520	13.0519	168	0.1	0.00030	0.00033
铜	14.8241	14.8241	168	0	0.00000	0.00000
铝合金	4.6035	4.6033	168	0.2	0.00059	0.00186
304不锈钢	13.1270	13.1270	168	0	0.00000	0.00000

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中孚五号冷媒 ZL-5A

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