Liquid hardeners serve two primary purposes: 1. Concrete Treatment: Hardeners are applied to concrete surfaces to increase their strength, durability, and resistance to wear. They work by penetrating the concrete and chemically reacting with the calcium hydroxide present, converting it into calcium silicate hydrate (CSH), which strengthens and hardens the surface. Additionally, hardeners provide dust-proofing and make the surface more resistant to staining, moisture penetration, and damage. This results in a longer-lasting, more durable concrete surface that is easier to maintain. 2. Paint Hardening: Hardeners, also known as paint hardeners, are essential components in two-component paint systems. They initiate a chemical reaction (polymerization) that causes the paint or coating to harden and cure properly. Without a hardener, the paint would not dry or achieve its intended hardness and durability. When mixed with paints, primers, or clear coats, hardeners create a chemically cross-linked urethane mix that enhances the paint's resistance to chemicals, abrasion, and environmental damage.
Usage
Hardeners are commonly used for:
- Concrete Surfaces:
- Surface Hardening: Enhances the hardness of concrete surfaces, making them more resistant to wear, stains, and damage.
- Dust-Proofing: Seals the concrete surface to prevent dust formation, especially in high-traffic areas like warehouses and industrial floors.
- Moisture Resistance: Densifies and seals concrete, preventing moisture penetration and making cleaning easier.
- Paint Applications:
- Paint Hardening: In two-component paint systems, hardeners are added to ensure the paint cures properly, creating a durable, long-lasting finish.
- Chemical Resistance: Chemically cross-links with paint to create a urethane mix that is resistant to chemicals, abrasion, and environmental factors.
Specs
- Product Variants:
- 1: H100
- 2: H157
- 3: H1802
- 4: H1804
- 5: H020
- Application:
- Concrete Surfaces: Apply the hardener to the concrete surface using a sprayer, roller, or brush. Allow the product to penetrate and react with the concrete before sealing or finishing.
- Paint Systems: Mix the hardener with the paint in the recommended ratio. Apply the mixture using standard painting techniques (spray, brush, or roller) and allow it to cure according to the manufacturer's instructions.
- Safety Precautions:
- Ventilation: Ensure proper ventilation when using hardeners, especially in enclosed spaces.
- Protective Gear: Wear protective gloves, goggles, and a mask to prevent contact with skin and eyes.
- Handling: Follow all safety guidelines for handling and mixing hardeners with paints or concrete.