SikaInject-233 (formerly MInject 1335)
SikaInject-233 is a solvent-free, single-component polyurethane foam designed for reliable injection applications. It is especially suitable for use in hot and tropical climatic conditions, where high temperatures and humidity levels are common.
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Description
SikaInject-233 is a solvent-free, single-component polyurethane foam specially formulated for injection applications. It is suitable for use in hot and tropical climatic conditions, providing reliable performance even in high temperatures and humidity.
This foam expands upon contact with moisture, allowing it to effectively fill and seal voids, cracks, and joints in concrete structures. Its key applications include:
- Pre-injection of cracks and joints in concrete to prepare and seal potential pathways for water.
- Stopping flowing or leaking water through voids, cracks, and joints, ensuring a waterproof barrier.
- Cavity-filling in water-bearing areas to prevent water ingress and structural damage.
The solvent-free formulation ensures environmental safety and excellent adhesion to concrete, making SikaInject-233 ideal for waterproofing and structural repair in challenging, water-exposed environments.

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