Study on Preparation and Properties of High-Strength Nano-Ceramic Coating on the Surface of Steel Structure Connectors

Table 3

Basic physical properties of cement.

Specific surface area (m^2/kg)	362.41
Standard consistency water consumption (%)	24.82
80um sieve balance (%)	0.22
Coagulation time (min)	Initial setting	141.4
	Final coagulation	247.45
Flexural strength (MPa)	3D	7.272
	28D	10.706
Compressive strength (MPa)	3D	34.542
	28D	63.428