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91 000 74051 CICO No. 2 Plugging Liquid An extra-fast setting, red-colored liquid admixture used to instantly stop active, high-pressure water leaks in concrete structures. It is a plugging compound, not a general waterproofing agent.
Primary Function: To react extremely rapidly with cement, causing it to set within 30-60 seconds. This creates an instantaneous plug to stop water gushing through holes, cracks, and pipe penetrations.
Key Features & Benefits (from TDS):
Ultra-Rapid Setting: Sets in 30 to 60 seconds, allowing for instant leak stoppage.
High Early Strength: Forms a strong plug within 4-5 minutes of application.
Simple Application: Mixed with cement to form a putty that is pressed into the leaking hole.
Excellent Adhesion: Bonds strongly to concrete even under water pressure.
Chloride-Free: Will not cause corrosion of embedded steel reinforcement.
Q1: How do I use CICO No. 2 to stop a leak?
A:
Prepare the Hole: Chip the leaking hole to form a concave shape (wider inside, narrower at the entrance).
Prepare the Plug: Mix Ordinary Portland Cement (OPC) with 30-40% of its weight in CICO No. 2 liquid to form a stiff, putty-like gel.
Plug the Leak: Quickly press this gel mixture firmly into the prepared hole.
Hold: Maintain firm pressure on the plug for 4-5 minutes until it sets and the leak stops.
Q2: Can I dilute it with water?
A: No. Absolutely not. The TDS explicitly states: "It cannot be diluted with water." You mix the liquid directly with dry cement.
Q3: How fast does it work?
A: It is incredibly fast:
Initial Setting Time: 30 to 60 seconds.
Plug Formation: A watertight seal is achieved within 4-5 minutes of application under pressure.
Q4: Is it compatible with all types of cement?
A: It is designed for use with Ordinary Portland Cement (OPC). The TDS states it is "not compatible with other admixtures." Do not use it with fly ash-based cement (PPC) or any other mix that contains other chemicals.
Q5: What is the shelf life?
A: 18 months from the date of manufacture when stored in its original, unopened container in a cool place, protected from extreme heat.
Q6: Is it safe to handle?
A: It is non-toxic and non-flammable. However, it is highly alkaline. You must wear gloves and safety glasses to prevent skin and eye contact.