CEM I 52.5 R
Composition:
TAPP Portland Cement CEM I 52,5 R is a hydraulic binder according EN 197-1.
Its main ingredient is Portland cement clinker, which together with calcium sulphate as congealment
stabiliser is milled to TAPP CEM I 52,5 R.
By stringent production monitoring during the complete production procedure a uniform quality on
a high level is maintained.
Properties:
TAPP Portland Cement CEM I 52,5 R is low on chromate. By addition of a chromate reducer
the contents of water soluble chromium VI < 2 ppm.
Application:
TAPP Portland Cement CEM I 52,5 R can be used for the production of all concretes according
DIN EN 206-1/DIN 1045-2.
Mainly TAPP CEM I 52,5 R is used for concretes for which higher and highest strength classes
must be achieved and/or high early strengths are needed.
Concrete precast industry
A preferred field of use of TAPP CEM I 52,5 R is the concrete precast industry. This cement
contributes significantly to the economical production of precast components made from pretensi-
oned concrete in direct bond.
Concrete additives:
The addition of concrete additives is permitted according DIN EN 206-1/DIN 1045-2, if they conform
to the relevant regulations or a general technical approval is available. Concrete additives with
approval may only be used under the conditions as stated in the approval document.
For the production of pretensioned concrete with direct bond according DIN 1045-1 as concrete
additives only fly-ash and silica fume or inert powdered minerals according DIN EN 12620 and
pigments with proven harmlessness for pretensioning steel, may be used.
An initial test according DIN EN 206-1/DIN 1045-2 is necessary for the addition of concrete
additives.
Concrete admixtures:
The addition of concrete admixtures is permitted according DIN EN 206-1/DIN 1045-2, if they
conform to the relevant regulations or a general technical approval is available and when used
under the conditions as stated in the approval document.
An initial test according DIN EN 206-1/DIN 1045-2 is necessary for the addition of concrete
admixtures.
Quality control:
TAPP Portland Cement CEM I 52,5 R is subject to a self monitoring by our in-house laboratories.
Delivery:
As bulk in silo trucks and bagged good in bags with 25 kg contents.
Storing:
TAPP Portland Cement CEM I 52,5 R must be dry stored and protected against humidity.
Cited standards: DIN EN 197-1 Cement
Part1:
Composition, specifications and conformity criteria for common cements
DIN EN 206-1 Concrete
Part1:
Specification, performance, production and conformity
DIN 1045-1, 2 Concrete, reinforced and prestressed concrete structures
Part1:
Design and construction
Part2:
Concrete – Specification, properties, production and conformity –
Application rules for DIN EN 206-1
DIN EN 12620 Aggregates for concrete
