Long-Term Properties of Cement-Based Composites Incorporating Natural Zeolite as a Feature of Progressive Building Material

Table 3

Technological parameters of zeolite comparing to cement.

Binder	Water demand	Initial setting time	7-day activity index	28-day activity index
	[%]	[min.]	[%]	[%]
OPC	100.00	110	100	100
50% OPC + 50% NZ	126.62	320	20.4	48.5