up (Penetron sandwich system )

restraint causes tensile stresses that exceed the placed concrete s tensile strength, thermal

Figure 2 Example of plastic shrinkage cracks Figure 3 Example of drying shrinkage cracks Figure 4 Example of thermal cracking Figure 5 Example of D-cracking

Figure 6 Scanning electron microscope image of chert aggregate particle with numerous internal cracks due to ASR; cracks extend into the adjacent cement paste Figure 7 Detail of aggregate showing alkali-silica gel extruded into cracks within the concrete. Ettringite is also present within some cracks Figure 8 Examples of ASR damage

Figure 9 Example of freeze-thaw damage on roads and bridge decks

Figure 10 Example of concrete damage caused by chemical attack

today s const. It doesn t have any known incompatibilities with other workability enhancing

In addition Penetron Admix will provide a self healing concrete. In absence of moisture the chemical reaction will resume automatically and the developing crystals will practically self heal

1 MFPA Leipzig GmbH, Germany Department of Structural Engineering: Application-technology tests on concrete test specimens with and without adding the sealing agent Penetron Admix (May 31, 2007)

Evaluation of the efficacy of the additives Penetron Admix and Penetron in porous and cracked concretes (second test series); ENCO Laboratory, Italy, 2006

3 Electrochemical analysis of a concrete additive PENETRON ADMIX according to DIN V 18998 [1], MFPA Stuttgart, Germany, 2008 4 Testing of Penetron Waterproofing Materials for Chemical Resistance; Shimel and Sor Testing Laboratories Inc., Report No. 93-3981, 1993

Laboratory Tests of Penetron Admix in Concrete, Sor Testing Laboratories, Inc., USA Report No. 05-4070A, 2005 Performance evaluation of waterproofing products based on crystallization; Sardar Patel College of Engineering, Mumbai, India, 2009

The tests were performed on 10x10x10cm test cubes with a w/c ratio of 0.55 thus 5x15 cm test cube with high performance premixed betoncino concrete 7 Microscopic analysis of the concrete cores from retaining wall at Changi Airport Terminal 3; SETSCO Services Pte Ltd., Singapore, 2002 8 Evaluation of the efficacy of the additives Penetron Admix and Penetron in porous and cracked concretes (first test series) C) Effect of Penetron treatment on the surface of structures of low porosity, cracked concrete; ENCO Laboratory, Italy, 2005

Figure 24 OFI sample set-up (Penetron sandwich-system ) 9 Water penetration of concrete specimen treated with Penetron following OENORM B 3303, 2002-09-01; Test Report No.: 303.897-1; OFI Technologie & Innovation GmbH, Vienna, Austria, 2005

10 The Australian Centre for Construction Innovation University of New South Wales: Properties of type GP cement concrete modified with Penetron Admix ; ACCI Ref.No. 58324, 2002

11 Penetration of water under pressure; Instituto de Pesquisas Tecnologicas (IPT), Sao Paulo, Brazil, 2007

12 Determination of the water absorption at atmospheric pressure and under pressure of a total of 42 cylindrical concrete test pieces at the Laboratorio del Consorzio Cave (Quarry Consortium Laboratory) of Bologna; University of Bologna Department of Earth, Geological and Environmental Sciences, Italy, 2005

batch: Concrete B : defined as white, i.e. concrete made witho batch: Concrete PA : defined as concrete made adding Penetron Admix in percentages 13 Verification of resistance to chemical attack on ten (10) cylindrical concrete test pieces at the Laboratorio del Consorzio Cave (Quarry Consortium Laboratory) of Bologna; University of Bologna Department of Earth, Geological and Environmental Sciences, Italy, 2005

Determination of chemical resistance unglazed tiles was applied.

(*) Average of duplicate specimens used concrete mix in today s 14 Laboratory Tests of Penetron Admix in Concrete, Sor Testing Laboratories, Inc., USA Report No. 05-4070A, 2005

open system ) is key to a successful application of crystalline 15 MFPA Leipzig GmbH, Germany Department of Structural Engineering: Application-technology tests on concrete test specimens with and without adding the sealing agent Penetron Admix (May 31, 2007) 16 MPA Stuttgart Otto-Graf Institute, University of Stuttgart, Germany: Electro-chemical tests of a concrete admixture (Penetron Admix) according to DIN V 18998: 2002-11, 2007

Provides a self healing concrete Allows concrete to breathe *Penetron Admix / **Penetron/Penetron Plus

e unprotected if e unprotected if te unprotected if

with an open system for

manufacturer s published limitations

Penetron s Technical Department for

(i.e. the concrete will be able to breathe ). in water storage tanks, reservoirs, water treatment plants etc. Penetron is not a decorative

have an open capillary system. Remove laitance, dirt, grease, etc. by means of high l green.

indentation of 1/4 1/3 (6