Laboratory Study on a New Composite Plugging Material with High Bearing Strength and High-Temperature Resistance

Table 2

Measured temperature resistance for the GZD.

Sample name	No	Mass loss rate η (%)
Walnut shell	1^#	32.97
	2^#	31.93
	3^#	32.03
	Average value	32.30
GZD	1^#	4.50
	2^#	4.57
	3^#	4.47
	Average value	4.51
Appearance
Remark	Distilled water + 0.2% NaOH + 0.3% Na2CO3; the same below; 473.15 K, 16 h