Loctite 640: Reliable high-temperature mechanical adhesive, enhancing the stability of heavy equipment.
Loctite 640: Ultra-High Strength Retaining Compound for Large Diameter Fittings
1. Product Overview
Loctite 640 is an ultra-high strength anaerobic retaining compound designed to securely bond and seal large diameter cylindrical assemblies. Engineered for extreme conditions, it provides robust performance in high-temperature and heavy-load environments. Loctite 640 is ideal for industrial maintenance, repair, and enhancement of mechanical assemblies, ensuring reliable and durable connections.
2. Key Features
Ultra-High Strength Bonding
- Provides exceptional retention and sealing for large diameter fittings, ensuring a durable and reliable mechanical connection.
High-Temperature Resistance
- Maintains strong bonding performance in temperatures up to 180°C (356°F), suitable for high-temperature applications.
Rapid Curing
- Features a fast-curing formula to minimize downtime and expedite assembly and repair processes.
Chemical Resistance
- Excellent resistance to oils, lubricants, and various chemicals, ensuring durability in harsh conditions.
Gap Filling
- Effectively fills gaps between components, enhancing the structural integrity and strength of the assembly.
3. Product Specifications
- Chemical Type: Methacrylate
- Color: Green
- Viscosity: 1,000 – 2,000 mPa·s (cP)
- Cure Time: Initial cure in 10-30 minutes; full cure in 24 hours at room temperature
- Maximum Gap Filling: Up to 0.25 mm (0.010 inches)
- Operating Temperature Range: -55°C to +180°C (-67°F to +356°F)
- Shear Strength: 20 N/mm²
- Breakaway Torque: 24-34 Nm (M10 bolts)
- Prevail Torque: 10-22 Nm
- Chemical Resistance: Excellent resistance to oils, lubricants, and a variety of chemicals
4. Applications
Industrial Maintenance
- Ideal for securing and sealing large diameter cylindrical components in machinery and equipment, particularly under high-load and high-temperature conditions.
Repair and Enhancement
- Used for repairing and reinforcing fits between large cylindrical parts, improving the strength and longevity of the assembly.
Heavy-Duty Equipment
- Suitable for applications involving heavy-duty equipment where strong and reliable bonding is required.
Automotive Industry
- Provides dependable bonding and sealing in automotive assemblies, ensuring performance in demanding conditions.
5. How to Use
- Clean the Surfaces: Ensure surfaces are clean and free from oil, dirt, and other contaminants for optimal adhesion.
- Apply the Compound: Evenly apply Loctite 640 to the surface of one of the components.
- Assemble the Parts: Join the components and tighten to ensure the compound fills the gaps.
- Curing: Allow to cure for 10-30 minutes for initial set and up to 24 hours for full cure at room temperature.
产品描述
Loctite 640: Ultra-High Strength Retaining Compound for Large Diameter Fittings
1. Product Overview
Loctite 640 is an ultra-high strength anaerobic retaining compound designed to securely bond and seal large diameter cylindrical assemblies. Engineered for extreme conditions, it provides robust performance in high-temperature and heavy-load environments. Loctite 640 is ideal for industrial maintenance, repair, and enhancement of mechanical assemblies, ensuring reliable and durable connections.
2. Key Features
Ultra-High Strength Bonding
- Provides exceptional retention and sealing for large diameter fittings, ensuring a durable and reliable mechanical connection.
High-Temperature Resistance
- Maintains strong bonding performance in temperatures up to 180°C (356°F), suitable for high-temperature applications.
Rapid Curing
- Features a fast-curing formula to minimize downtime and expedite assembly and repair processes.
Chemical Resistance
- Excellent resistance to oils, lubricants, and various chemicals, ensuring durability in harsh conditions.
Gap Filling
- Effectively fills gaps between components, enhancing the structural integrity and strength of the assembly.
3. Product Specifications
- Chemical Type: Methacrylate
- Color: Green
- Viscosity: 1,000 – 2,000 mPa·s (cP)
- Cure Time: Initial cure in 10-30 minutes; full cure in 24 hours at room temperature
- Maximum Gap Filling: Up to 0.25 mm (0.010 inches)
- Operating Temperature Range: -55°C to +180°C (-67°F to +356°F)
- Shear Strength: 20 N/mm²
- Breakaway Torque: 24-34 Nm (M10 bolts)
- Prevail Torque: 10-22 Nm
- Chemical Resistance: Excellent resistance to oils, lubricants, and a variety of chemicals
4. Applications
Industrial Maintenance
- Ideal for securing and sealing large diameter cylindrical components in machinery and equipment, particularly under high-load and high-temperature conditions.
Repair and Enhancement
- Used for repairing and reinforcing fits between large cylindrical parts, improving the strength and longevity of the assembly.
Heavy-Duty Equipment
- Suitable for applications involving heavy-duty equipment where strong and reliable bonding is required.
Automotive Industry
- Provides dependable bonding and sealing in automotive assemblies, ensuring performance in demanding conditions.
5. How to Use
- Clean the Surfaces: Ensure surfaces are clean and free from oil, dirt, and other contaminants for optimal adhesion.
- Apply the Compound: Evenly apply Loctite 640 to the surface of one of the components.
- Assemble the Parts: Join the components and tighten to ensure the compound fills the gaps.
- Curing: Allow to cure for 10-30 minutes for initial set and up to 24 hours for full cure at room temperature.
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