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Type IV/B (P) 32,5 R – SR

This cement contains: 45-64% clinker with a low calcium aluminate content, 36-55% pozzolanic material. A maximum of 5% minor constituents is permitted. The percentages indicated do not include additions of calcium sulfate and additives.

Known for its rapid early strength development, the cement conforms to the harmonized European standard EN 197/1 and displays the CE marking as required by European regulation 305/2011 (CPR).

"SR" means that the cement is sulfate-resistant, an additional property of the product in accordance with the composition and performance requirements specified in tables 2 and 5 of EN 197/1.

 

CGreen

Product with a lower environmental impact formulated to uphold the principles of sustainability and offer construction solutions that meet the latest environmental standards. The criteria used to define the CGreen line are based on the GWP (Global Warming Potential) indicator, which is included in the Environmental Product Declaration (EPD) to quantify the Carbon Footprint of cement and the entire supply and production chain.
The percentage of recycled content has also been identified for each cement to define the circularity indicator by cement type.

 

 

Chemical properties

Parameter Test method Indicative values (1) Specified characteristic limits
Sulfates (SO3) EN 196/2 <2,9% <=3,0%
Chlorides (Cl - ) EN 196/2 <0,08% <=0,10%
Pozzolanic activity test (8 days) EN 196/5 positive positive
Water-soluble chromium VI EN 196/10 <=2 ppm <=2 ppm

Physical/mechanical properties

Parameter Test method Indicative values (1) Specified characteristic limits
Blaine specific surface  EN 196/6 4000-5300 cm2/g  
Initial setting time EN 196/3 >120 min >=75 min
Volume stability EN 196/3 <=10 mm <=10 mm
Compressive strength after curing for EN 196/1    
2 days   >13,0 MPa >=10,0 MPa
28 days   >38,0 MPa >=32,5 MPa

(1) The values represent the level above (or below) the reasonably expected median values for the parameters indicated of BUZZI UNICEM cements belonging to the type and class named in the headers. These values are calculated on a yearly basis and take into account internal self-inspection data.

Current applications

  • Concrete for foundations and any works in moderately aggressive environments
  • Concretes for works requiring very thick pourings (dams, barriers, etc.)
  • Concrete in contact with seawater
  • Sewage works
  • Soil reinforcement works, ranging from injections to jet-grouting systems
  • Concrete for works requiring resistance to aggressive environments due to chemical attack

Documents

Struttura produttiva e distributiva

Guidonia
Via S. Angelo Romano, 14
00012 Guidonia (RM)
tel. 800 011463

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