Low viscosity epoxy grout & injection resin
Vetogrout ER717 is a low viscosity epoxy resin-based grout for crack injection where the hardened grout's chemical resistance and physical properties are of extreme importance, such as extreme industrial applications, rail tracks, dynamic load situations, chemical tanks,...etc. Vetogrout ER717 consists of two components (Base and Hardener) that are provided in the right proportions. When mixed and applied, it penetrates deeps into cracks and cavities, providing a permanent seal.
- WRC approved to BS 6920.
- Used in a wide range of situations such as cyclic and dynamic load cases.
- It is highly durable, ensuring long working life with high mechanical properties such as compressive, flexural, and tensile strength.
- Cost-effective with rapid strength gain ensuring minimum structural downtime.
- Non-shrink and complete surface bonding providing 100% effective bearing area.
- It withstands hydrostatic pressure and prohibits penetration of contaminants and aggressive chemicals.
- ACI 503.7: Specification for crack repair by epoxy injection
- ASTM C881/881M
- EN BS 6920 - Elevated temperatures
- NSF/ANSI-61
- Vetogrout ER717 is supplied in a 5 Liter Kit. Yield: 5 liters.
- Vetoprime EP490 is supplied in a 15 Liter Kit. Coverage: 5 - 7 m2 / liter.
- Vetonit Solvent XX400 supplied in a 4 Liter Can. Yield: 4 liters.
Stated consumption data are for general guidance. Actual consumption depends on the nature of substrate, method of application, and wastage.
The original sealed containers of Vetogrout ER717 have a shelf life of 12 months, provided it is stored clear of ground in a dry, shaded place below 35ºC.
Mixing
Pour the entire contents of the hardener container into the base container and mix for 2 - 3 minutes or achieve a uniform color. Once mixed, the material must be used within the specified pot life (see under Properties). After this time, unused material will have stiffened and should be discarded.
Note: Immediately before placement, all surfaces must be dry.
Placing
Ensure that the grout can be placed within its pot life. Continuous grout flow is essential. Sufficient grout must be available before the start, and the time taken to pour a batch must be regulated to the time taken to prepare the next one.
In the case of under-plate grouting, pouring should be from one side of the void to eliminate air entrapment. The hydrostatic head must be maintained at all times so that a continuous grout front is achieved.
In case of crack injection, consult your Saveto representative for a detailed method statement, onsite training, and support, and recommendation for a specialty-approved applicator if needed.
Cleaning
Use Vetonit Solvent XX400 to clean equipment before material hardening; otherwise, mechanical means will be necessary to remove hardened material.
Under Plate Grouting
Keep the unrestrained surface area of the grout to a minimum. Generally, the gap between the perimeter form-work and the plate edge should not exceed 75mm on the pouring side and 25mm on the opposite side. Form-work on the flank sides should be kept tight to the plate edge. Air pressure relief holes should be provided to allow venting of any isolated high spots.
Form-work (Shuttering)
The form-work should be constructed to be leakproof as Vetogrout ER717 is a free flow grout. To achieve this, use mastic sealant or a rubber gasket seal beneath the constructed formwork and between joints.
For free flow grout conditions, it is essential to provide a hydrostatic head of grout. To achieve this, use a feeding hopper.
Substrate
The substrate must be free from oil, grease, or any loosely adherent material. If the concrete surface is defective or has laitance, it must be cut back to a sound base. Bolt holes or fixing pockets must be blown clean of any dirt or debris.
If the delay is likely before placing steel base plates, it is recommended that the underside and edge are coated with Vetoprime EP490 to prevent rust formation and ensure bonding with the Vetogrout ER717. Clean all metal surfaces to a bright finish following the Swedish Standard SA 2 ½ or equal. Apply Vetoprime EP490 directly onto newly cleaned steel surfaces even if they are damp.
Crack Injection
All cracks must be chased and open to a 2mm thickness (width generated by a saw blade).
Remove laitance and roughen 2cm on each side of the crack using a hand grinder and clean the surface and the crack using compressed air.
Depending on the injection method (surface nipples or injection packers); the surface nipples are to be fixed on the crack face using Vetorep ER350 (a twin-pack epoxy putty and leveling compound) before sealing the crack surface with Vetorep ER350, or directly seal the crack surface before drilling injection holes at 45 degrees angles on the sides of the crack.
Epoxy resins can irritate some people and therefore avoid direct contact with eyes or skin. It is recommended to use protective gloves and goggles during application. In case of contact with eyes, clean immediately with plenty of clean cold water and seek medical advice if irritation persists.
Vetoprime EP490 and Vetonit Solvent XX400 are flammable.
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 following any advice, specification, recommendation, or information given by us. Saveto has the right to change any of the technical data sheets' specifications upon its discretion without prior notification.
Hard copies of TDSs are printed once or twice a year. Our technical data sheets are continuously 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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