Novylic H 250 – Acrylic Hardener for Polyurethane Systems
Product Overview: Novylic H 250 is a high-performance acrylic hardener specifically designed to complement polyurethane systems. This product enhances the curing process of polyurethane materials, ensuring fast curing, high durability, and exceptional resistance to weather, chemicals, and mechanical stress. Novylic H 250 is used to harden coatings, adhesives, sealants, and foams, providing superior performance across a range of industrial applications.
Key Features:
- Fast Curing: Speeds up the curing process of polyurethane systems, reducing production time and improving efficiency.
- Enhanced Durability: Increases the longevity and toughness of the final product, making it highly resistant to wear, tear, and environmental factors.
- Excellent Weather and Chemical Resistance: Improves the weathering, water resistance, and chemical resistance properties of polyurethane systems.
- Superior Bonding: Enhances the adhesive properties of polyurethane systems, providing reliable and strong bonds across various substrates.
- Versatile Applications: Suitable for use in coatings, adhesives, sealants, and foam formulations.
Specifications:
| Property | Value |
|---|---|
| Appearance | Clear, colorless liquid |
| Viscosity (25°C) | 200 – 300 cps |
| Density (25°C) | 1.02 – 1.05 g/cm³ |
| Flash Point | >100°C |
| Solubility | Soluble in organic solvents |
| Curing Time | Typically 24-48 hours depending on ambient conditions |
| Recommended Dosage | 3 – 6% depending on system |
Applications:
- Coatings: Novylic H 250 is widely used to accelerate the curing process of polyurethane coatings, providing durable and resistant finishes in industrial and automotive applications.
- Adhesives and Sealants: Used in polyurethane-based adhesives and sealants, enhancing bonding strength and providing fast curing.
- Foams: Ideal for rigid and flexible polyurethane foam formulations, ensuring high-quality, durable foam with strong mechanical properties.
- Protective Coatings: Provides enhanced protection against moisture, chemicals, and UV exposure in various applications, such as construction, automotive, and industrial coatings.
Benefits:
- Increased Curing Speed: Reduces curing time significantly, increasing productivity and efficiency in manufacturing processes.
- Improved Durability: Contributes to the long-lasting strength and resistance of polyurethane systems, making them ideal for demanding environments.
- Chemical and Weather Resistance: Novylic H 250 improves the resistance of polyurethane systems to chemicals, moisture, UV rays, and extreme weather conditions.
- Stronger Bonding: Enhances the bonding strength of polyurethane systems, ensuring reliable adhesion to a variety of surfaces.
Storage and Handling:
- Storage Temperature: Store in a cool, dry place between 15°C and 25°C. Keep containers tightly sealed to avoid moisture contamination.
- Shelf Life: 12 months when stored in original containers under recommended conditions.
- Handling: Ensure adequate ventilation and wear appropriate personal protective equipment (PPE), such as gloves and goggles, during handling. Follow all safety instructions during usage.
Health and Safety Information:
- Precautionary Measures: Avoid contact with eyes and skin. If contact occurs, rinse thoroughly with water and seek medical attention if necessary.
- Inhalation: Provide fresh air if inhaled, and seek medical advice if symptoms persist.
- Fire Hazard: Keep away from open flames and sources of ignition. Store away from heat.