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Working temp.: -60-180℃， or even 230℃ in very short time;
M.P.: 265-280;
Combustibility: self quenching;
Chemical properties: resistant to acids, alkalis, salts
Internal pressure: 0.085Mpa
Working pressure: -0.1Mpa-0.5Mpa;
Surface voltage: 5KV

heat exchange area	Flake number of middle layer	Weight	Height	External diameters
M2	flake	KG	H(MM)	φ(MM)
1.5	2	205	740	700
2	3	250	830	700
2.5	4	295	920	700
3	5	340	1010	700
3.5	6	385	1100	700
4	7	420	1190	700
4.5	8	465	1280	700
5	9	510	1370	700
6	11	550	1460	700