Silicon Carbide Heat Exchanger, F4/PFA Lined

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SiC Heat Exchanger

We can use double-tube plates design to separate process fluid from working fluid so that the two fluids will not be mingled even the O-ring breaks.

Silicon carbide corrosion performance
Testing Environment Conc. Reagent	Corrosive Weight Loss		(mg/cm2yr)
(Wt%)	Temperature (C)	Pressureless-sintered Silicon Carbide ** No Free SiC)**	Reaction-bonded Silicon Carbide 12% SiC)
98% H2SO4	100	1.8	55
50% NaOH	100	2.6	>1000
53% HF	25	< 0.2	7.9
85% H3PO4	100	< 0.2	8.8
70% HNO3	100	< 0.2	0.5
45% KOH	100	< 0.2	>1000
25% HCI	70	< 0.2	0.9
10% HF plus 57% HNO3	25	< 0.2	>1000
Qianqiao produces every SiC heat exchanger with pressureless-sintered silicon carbide **