Solvent free epoxy bonding agent to bond old to new concrete
Vetobond EB430 is based on solvent-free epoxy resins containing pigments and fine fillers. It is supplied as a three component material in pre-weighed quantities ready for on site mixing and use.The product is used in external and internal application on horizontal surfaces or on vertical surfaces where mortar or concrete can be supported by formwork. The long ‘open’ life makes it suitable for use with formwork or where additional steel reinforcement has to be fitted. The product is ideal for roads, bridges, pavements, loading bays and factories, and for bonded or granolithic floor toppings.
ASTM C 881/881M-13 (Standard Specification for Epoxy-Resin-Base Bonding Systems for Concrete) as Type I, II, III, IV & V - Grade 3 class B & C
Vetobond EB430 supplied in 5 Liter Kit
Coverage: 5-8 m2/Liter
Original sealed container of Vetobond EB430 has a shelf life of 12 months provided it is stored clear of ground in a dry shaded place below 35ºC.
Vetobond EB430 has an overlay time of 24 hours at 22ºC, 12 hours at 30ºC or 8 to 10 hours at 35ºC, making it more suitable for use where additional steel reinforcement and formwork has to be fitted or where temperatures are high.
Vetobond EB430 should be applied as soon as the mixing process has been completed. It should be brush or spray applied to the prepared surfaces. The new concrete or screed may be applied to the coated substrate up to 24 hours after application at 22ºC or up to 12 hours at 30ºC or between 8 to 10 hours at 35ºC. However, the coated substrate should be left for one hour before the new concrete or screed is placed. Where Vetobond EB430 is to be used as part of a repair system to form a substrate/repair barrier, care should be taken to achieve an unbroken coating. One coat should be applied and allow to gel. A second coat should be applied and used as the bonding coat. In some situations (e.g. sprayed concrete repairs) it may be advantageous to scatter dust free sharp sand over this coat and leave to harden. As soon as the Vetobond EB430 has been applied, any required steel reinforcement and/or formwork should be elected and fi xed securely in place.
Vetobond EB430 should be removed from tools, equipment and mixers with Vetonit Solvent 1 immediately after use.
Hardened material can only be removed mechanically.
Clean all surfaces and remove any dust, unsound material, plaster, oil, paint, grease, corrosion deposits or algae. Roughen the surfaces, remove any laitence and expose aggregate by light scabbling or grit-blasting. Oil and grease deposits should be removed by steam cleaning, detergent scrubbing or the use of a proprietary degreaser. The effectiveness of decontamination and soundness of the substrate should then be assessed by a pull-off test. Any steel reinforcement and formwork should be prepared, cut to size and shape, and made ready for assembly before mixing commences.
Care should be taken to ensure that Vetobond EB430 is thoroughly mixed. The ‘hardener’ and ‘base’ components should be stirred separately before mixing to disperse any settlement. The entire contents of the ‘hardener’ tin should then be poured into the ‘base’ tin and the two materials thoroughly mixed using a suitable slow-speed drill and mixing paddle for 2 minutes until a fully uniform color is obtained. The sides of the tin should then be scraped and mixing should continue for a further 1 minute. Slowly add the Reducer part and mix for 3 minutes
To facilitate mixing and application at temperatures below 22ºC, the separate components should be warmed in hot water up to a maximum temperature of 25ºC before beginning to mix. If heated to 25ºC, the subsequently mixed material will need to be used more speedily as the pot-life will be reduced to 4 hours. Alternatively, the material should be stored in an environment heated to 22ºC and only removed immediately before use.
Vetobond EB430 should not come in contact with skin or eyes, or be swallowed. Ensure adequate ventilation and avoid inhalation of vapors. Some people are sensitive to resins, hardeners and solvents. Wear suitable protective clothing, gloves and eye protection. If working in confined areas, suitable respiratory protective equipment must be used. The use of barrier creams provide additional skin protection. In case of contact with skin, remove immediately with resin removing cream followed by washing with soap and water.
Do not use solvent. In case of contact with eyes, rinse immediately with plenty of clean water and seek medical advice. If swallowed, seek medical attention immediately – do not induce vomiting.
Vetobond EB430 is non-flammable.
Refer to Material Safety Data Sheet for further information.
Saveto endeavors to ensure that any advice, recommendations, information it may give, is accurate and correct. It cannot accept any liability either directly or indirectly arising from the use of its products, because it has no direct or continuous control over where or how its products are applied, whether or not in accordance with any advice, specification, recommendation or information given by us. Saveto has the right to change any of the specifications mentioned in the Technical data sheets upon its discretion without prior notification.
Hard copies of TDSs are printed once or twice a year, while our technical data sheets are continuously being updated as per R&D improvements and new 3rd party testing; kindly refer to our website for the latest updated TDSs.
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