Type Cement 425-1

Properties of Portland Cement Type 1-425

Having a strength class of 425 kg/cm2 and due to higher initial and final strength than similar cement, this kind of cement is used in a variety of concrete, reinforced, and unreinforced structures that require relatively early strength, such as columns, roofs, bridge slabs, and heavy and thin precast parts and structures that need fast molding, as well as for concreting in cold weather.

Physical Properties of Type 425-1 Cement
Autoclave Expansion (%) Blaine Reception time pushing resistance
primitive Final 2 days 7 days 28 days
≤0.8 ≥2800 ≥45 ≤360 ≥100 ≥425 ≤625
Chemical Properties of Cement Type 425-1
Specification name Mgo
%
SO3
%
Lol
%
IR
%
Value in Standard 389 ≤5 C3A<8 SO3<3
C3A>8 SO3<3.5
≤3 ≤0.75

Leave a Reply

Your email address will not be published. Required fields are marked *

Fill out this field
Fill out this field
Please enter a valid email address.