Concrete Surface Retarder is a brush-applied paste-type surface retarder formulated with multiple cement-retarding active components. This environmentally friendly water-based product is directly applied to formwork to significantly delay surface curing of concrete.
Keywords:
Concrete Surface Treatment
Emphasizes water-based, safe, and environmentally friendly properties.
Refers to customizable etching depth up to 10mm.
Maintains concrete strength and reinforcement bonding.
Effective under steam-curing conditions.
Product Introduction
Concrete Surface Retarder is an eco-friendly water-based paste retarder. Applied to formwork, it delays concrete surface curing. After inner concrete hardens, the surface layer is washed off to reveal aggregates.
Usage:
◆ Concrete surface with exposed aggregate is required for the connection surface of prefabricated components in the field of prefabricated buildings;
◆ Connecting surfaces of precast concrete panels such as bridges;
◆ Exposed aggregate permeable pavement.
Advantage:
◆ Water based products, safe and environment-friendly, easy to operate.
◆ Applicable to different site conditions and formwork surfaces, including steel formwork, bamboo plywood and wood formwork. It is unnecessary to roughen the concrete surface by mechanical methods such as iron cone or chisel, so as to greatly reduce the labor intensity and save the construction cost.
◆ The thickness / etching depth of retarding concrete (which can be adjusted as required) can be up to more than 10mm.
◆ Do not reduce the strength of the concrete body and the holding force to the reinforcement.
◆ No corrosion to steel formwork and reinforcement.
◆ Good surface retarding effect can also be achieved for steam cured concrete.
Product Parameters
| Testing items | Technical index | |
| Appearance | Homogeneous milky paste | |
| PH | 6~8 | |
| Open working hours (h) | ≥10 | |
| Etching depth | 1~10mm | |
| Final strength of concrete | No effect | |
| Storage stability | No delamination and caking during storage | |
| Retarding time (h) | Normal temperature | Not less than 72h |
| 60℃ | Not less than 12h |
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Our products have undergone rigorous testing at our national testing laboratory (CABR testing center co., ltd). Renowned Fortune Global 500 firms such as China Railway Group Limited, China Communications Construction Company Limited, and Sinohydro are among our esteemed clients.
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