Nitrile Sealants
High-Performance Nitrile Sealants for Industrial Applications
Nitrile Sealants have become the preferred choice for professionals requiring superior chemical resistance and durability in demanding environments. Our premium-grade Nitrile Sealants offer exceptional performance across various industrial applications.
Key Features of Our Nitrile Sealants
- Excellent resistance to oils, fuels, and chemicals
- Wide temperature range (-40°F to 300°F/-40°C to 150°C)
- High tensile strength and elongation properties
- Superior adhesion to multiple substrates
- UV and ozone resistant formulations
- Available in various viscosities for different application methods
Technical Specifications
| Property | Value | Test Method |
|---|---|---|
| Specific Gravity | 1.10 - 1.25 | ASTM D792 |
| Viscosity (Brookfield) | 50,000 - 150,000 cPs | ASTM D2196 |
| Tensile Strength | 300 - 500 psi | ASTM D412 |
| Elongation at Break | 300 - 500% | ASTM D412 |
| Shore A Hardness | 35 - 50 | ASTM D2240 |
| Service Temperature | -40°F to 300°F | - |
Applications of Nitrile Sealants
Our Nitrile Sealants are engineered for:
- Automotive gasketing and sealing
- Industrial equipment protection
- Marine applications
- Chemical processing plants
- Fuel storage systems
- HVAC duct sealing
Frequently Asked Questions About Nitrile Sealants
Q: What makes Nitrile Sealants different from other rubber sealants?
A: Nitrile Sealants offer superior resistance to petroleum-based products, oils, and fuels compared to standard rubber sealants. Their molecular structure provides exceptional chemical resistance while maintaining flexibility across a wide temperature range. The acrylonitrile content in Nitrile Sealants determines their resistance properties - higher content means better chemical resistance.
Q: How should Nitrile Sealants be applied for optimal performance?
A: For best results with Nitrile Sealants, surfaces should be clean, dry, and free from contaminants. Apply at temperatures between 50-100°F (10-38°C). Use appropriate tools (caulking gun, trowel, or brush) depending on the viscosity. Allow 24-48 hours for full cure at room temperature. For thick applications or low temperatures, curing may take longer - consult technical data sheets for specific product recommendations.
Q: Can Nitrile Sealants be painted over after application?
A: Most Nitrile Sealants can accept paint after full curing, typically 48-72 hours after application. However, compatibility depends on both the sealant formulation and paint type. We recommend testing a small area first. Some specialized Nitrile Sealants are formulated with paintability in mind - check product specifications or contact our technical support for specific recommendations based on your paint system.
Packaging Options
Our Nitrile Sealants are available in multiple packaging formats to suit different application needs:
- 10 oz. cartridges (standard caulk gun size)
- 5.5 oz. squeeze tubes for small repairs
- 1 gallon pails for larger projects
- 55-gallon drums for industrial users
Safety Information
While Nitrile Sealants are generally safe when used properly, follow these precautions:
- Use in well-ventilated areas
- Wear protective gloves and eye protection
- Avoid prolonged skin contact
- Store in cool, dry place away from direct sunlight
- Keep away from open flames or heat sources
Performance Comparison: Nitrile vs. Other Sealant Types
| Property | Nitrile Sealants | Silicone | Polyurethane |
|---|---|---|---|
| Oil Resistance | Excellent | Poor | Good |
| Fuel Resistance | Excellent | Poor | Good |
| Temperature Range | -40°F to 300°F | -65°F to 450°F | -40°F to 250°F |
| UV Resistance | Good | Excellent | Fair to Good |
| Tensile Strength | 300-500 psi | 200-400 psi | 500-800 psi |
Surface Preparation Guidelines
Proper surface preparation is critical for Nitrile Sealants to achieve optimal adhesion:
- Remove all loose material, dust, grease, and oil
- Use appropriate cleaners (alcohol, acetone, or specialized cleaners)
- For porous surfaces, consider using a primer (check compatibility)
- Ensure surfaces are completely dry before application
- Roughen smooth surfaces slightly to improve mechanical bonding
Storage and Shelf Life
To maximize the shelf life of Nitrile Sealants:
- Store unopened containers at 50-80°F (10-27°C)
- Keep away from direct sunlight and heat sources
- Seal opened containers tightly to prevent skin formation
- Typical shelf life: 12-18 months from manufacture date