ATZ PORTLAND COMPOSITE CEMENT CEM II 52.5N

ATZ PORTLAND COMPOSITE CEMENT CEM II 52.5N

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Category: Cement

ATZ PORTLAND COMPOSITE CEMENT CEM II 52.5N is a general-purpose cement. It is produced from high-quality clinker ground with gypsum and a controlled proportion of extenders, ensuring a balance of strength, durability, and workability.

Applications
This cement is widely used for concrete, mortar, plaster, and brick applications. ATZ PORTLAND COMPOSITE CEMENT CEM II 52.5N is a reliable product designed for consistent, high-quality performance across various uses, compatible with common chemical admixtures. Avoid mixing with supplementary materials like fly ash or ground granulated slag.

Specification
ATZ PORTLAND COMPOSITE CEMENT CEM II 52.5N complies with the 52.5N strength class of EN 197-1:2011 for common cements. Where "CEM II" refers to Portland Composite Cement. The type and quantity of extender may vary depending on the manufacturing plant.

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Typical Properties (This specification can be varied little on each production batch)

Chemical Content Not Requirement (%)	Spect.Limit	Typical results	Test Method
Silicon Dioxide, SiO₂	A	18.02	EN 196 - 2
Alumium Oxide (Al2O3)	A	4.22
Ferric Oxide (Fe2O3)	A	3.91
Cao	A	65.07
Chemical Content Requirement (%)	Spect.Limit	Typical results	Test Method
Magnesium Oxide (MgO)	A	1.67	EN 196 - 6
Sulfur trioxide (SO3)	≤ 3.5	2.53
Loss on Ignition (LOI)	≤ 5.0	7.39
Physical Properties	Spect.Limit	Typical results	Test Method
Setting times (Vicat): minutes Initial: Final:	≥ 45 ≤ 375	145 195	EN 196 - 3
Soundness (LeChatelier): mm	≤ 5.0	0.75	EN 196 - 3
Retained content on sieve 45 μm: %	≤ 15.0	2.0	EN 196 - 6
Fineness Test (Blaine): cm2/g	≥ 3200	4360	EN 196 - 6
Autoclave Expansion: %	≤ 0.80	0.01	ASTM C151/151M
Compressive Strength (Mpa)	Spect.Limit	Typical results	Test Method
After 3 days (Mpa) After 28 days (Mpa)	≥ 20.0 ≥ 52.5	24.0 54.0	EN 196 - 1