Study on the Comprehensive Properties and Microstructures of A3-3 Matrix Graphite Related to the High Temperature Purification Treatment

Table 4

Oxidation corrosion rate and ash content of MG pebbles lathed before and after HTP.

Samples	MG pebbles 1		MG pebbles 2		MG pebbles 3		Specification
	Average	Deviation	Average	Deviation	Average	Deviation
Oxidation corrosion rate (mg·cm^−2h^−1)	0.48	0.03	0.50	0.04	1.55	0.01	⩽1.3
Ash content (ppm)	15.15	0.35	15.80	0.46	31.7	2.12	⩽300