Rapid setting cementitious water plugging mortar
Vetoproof CR747 is a single component rapid setting cementitious water plugging mortar that sets in 45 seconds. The product is composed of a blend of powders, specialty cement, and special additives to enable fast reaction and non-washability of the products once applied to concrete or masonry sections with the presence of flowing water.
- Chloride free formulation.
- Rapid setting enabling emergency water stopping.
- Allows over-lining with epoxy mortar to have a permanent solution.
- Usable in horizontal, vertical, and overhead situations.
- Single component - easy to use.
Vetoproof CR747 supplied in 10kg & 25kg bags.
Coverage - 5 Liter yield.
Stated consumption data are for general guidance. Actual consumption depends on the nature of substrate, method of application, and wastage.
The original sealed container of Vetoproof CR747 and has a shelf life of 12 months, provided it is stored clear of ground in a dry, shaded place below 35ºC.
Mixing
Add Vetoproof CR747 to clean water in the following proportions:
One part clean water : 3 parts of Vetoproof CR747 (measured by volume).
Mix to a stiff consistency in a suitable mixing drum or bucket, using a trowel or gloved hand. Due to the product's rapid set characteristics, only prepare a quantity of mortar that can be placed within the prescribed set time.
Application
Trowel apply or hand-knead the mixed mortar in place, ensuring maximum contact with the substrate before the material sets. Vetoproof CR747 should be used and held until the initial setting is reached if used to plug running water.
Note the minimum applied thickness of Vetoproof CR747 should be 15mm.
Low temperature working
In cold conditions down to 1ºC, warm water (up to 20ºC) is advisable to accelerate strength development. Standard precautions for winter working with cementitious materials should be adopted. The material should not be applied when the substrate and/or air temperature is 1ºC and falling. At 1ºC static temperature or 1ºC and rising, the application may proceed.
High temperature working
At ambient temperatures above 35ºC, store the material in the shade and use cool water (down to 20ºC) for mixing.
Cleaning
Remove Vetoproof CR747 product from tools, equipment, and mixers with clean water before the initial set. Cured material can only be removed mechanically.
Cut back areas to be patched to a depth of 15mm and give it a right mechanical key. Feather-edges must not be allowed. Brush clean the surface to remove loose material, dust, and laitance. Remove grease, slime, or mold growth by steam cleaning or by high-pressure water jetting. Use a proprietary degreasing agent for the removal of light oil or grease contamination. To seal leaks, chase out the crack openings to approximately 20mm square. The chase should always be undercut to avoid leaving a v-section. Remove all loose material and debris.
- Vetoproof CR747 should not be used when the temperature is below 1ºC and falling.
- If any doubts arise concerning application or substrate conditions, consult the local Saveto office.
Vetoproof CR747 contains cement powders that release alkalies that can be harmful to the skin when mixed or become damp. During use, avoid inhalation of dust and contact with skin and eyes. Wear suitable protective clothing, gloves, eye protection, and respiratory protective equipment. The use of barrier creams provides additional skin protection. In case of skin contact, rinse with plenty of clean water, then cleanse with soap and water. In case of contact with the eye, rinse immediately with plenty of clean water and seek medical advice. If swallowed, seek medical attention immediately – do not induce vomiting.
Vetoproof CR747 is non-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 datasheets' 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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