LOCTITE 425 is a fast-curing, low-strength cyanoacrylate adhesive. It effectively locks metal and plastic fasteners. This product ensures reliable retention and prevents loosening in various industrial assemblies.
General Information of LOCTITE 425
LOCTITE 425 utilizes advanced cyanoacrylate technology. Its chemical base consists of ethyl cyanoacrylate and aliphatic ester. This formulation presents as a distinctive dark blue liquid. Furthermore, it is a one-part system, eliminating the need for pre-mixing. This simplifies application and reduces potential errors. The adhesive exhibits low viscosity, allowing for precise dispensing. Consequently, it is ideal for thin bond gaps, typically 0.05 mm.
The curing process for LOCTITE 425 initiates rapidly through atmospheric moisture. Fixturing occurs in less than two minutes on plated metal and plastic substrates. Full functional strength develops within 24 hours. However, complete chemical and solvent resistance requires at least 24 hours of cure time. This product maintains its integrity across a broad operating temperature range, from -54 °C to +85 °C. This ensures performance in diverse industrial environments.
Key Features & Technical Benefits
- Rapid Fixturing Speed: Achieves initial bond strength in under two minutes. This significantly accelerates assembly processes and improves throughput.
- Controlled Low Strength: Designed for easy disassembly. This feature facilitates maintenance and repair operations without damaging components.
- Single Component Formulation: Requires no mixing or activators for standard use. This streamlines application, reduces waste, and enhances operational efficiency.
- Broad Substrate Compatibility: Bonds effectively to a wide array of materials. This includes various metals and plastics, offering versatile application potential.
- Tamperproofing Capability: Ideal for securing screws and potentiometers. This provides a visible deterrent against unauthorized adjustments.
- Excellent Environmental Resistance: Performs reliably within a wide temperature range. This ensures durability and consistent performance in challenging conditions.
Typical Industrial Applications
This formulation is engineered for the following applications:
- Low strength threadlocking for metal and plastic fasteners.
- Retaining small components where future disassembly is anticipated.
- Tamperproofing adjustment screws, potentiometers, and calibration settings.
- Securing delicate electronic components against vibration.
- Bonding applications requiring fast cure and easy removal.
About Prostech
Prostech offers specialty materials (adhesives, tapes, thermal interface materials, insulating materials, sealants, PCB protection materials, …) along with manufacturing solutions. We proudly serve a wide range of industries and are an authorized distributor for leading global manufacturers of industrial materials and equipment. Our product range is designed to deliver customized solutions that address each customer’s unique needs.
With years of experience and a successful project history, we are confident in our ability to provide comprehensive material solutions. These solutions effectively tackle the challenges manufacturers face. To explore our full product catalog, simply click here. Our dedicated team is ready to assist with:
- Provide quotation, sample, TDS/MSDS, and technical consultation
- Testing sample quality and verifying product compatibility in our laboratory
- Customizing material formulas for special applications
- Adapting product sizes, quantities, and packaging to meet specific needs
- Offering expert advice on suitable equipment and automation processes
- Delivering technical training and on-site support for optimal product use
Moreover, Prostech ensures the safe and accurate global delivery of all materials, including “dangerous goods”, in compliance with legal regulations. For personalized technical support or to receive a quotation, please contact us today.
| Property | Value |
| Technology | Cyanoacrylate |
| Chemical Type | Ethyl cyanoacrylate / Aliphatic ester |
| Appearance | Dark blue liquid |
| Components | One part |
| Viscosity (25 °C) | 40 to 80 mPa·s (cP) |
| Cure Mechanism | Humidity |
| Operating Temperature Range | -54 °C to +85 °C |
| Specific Gravity (25 °C) | 1.1 |
| Volume Resistivity | >1×1015 Ω·cm |
| Dielectric Breakdown Strength | 19.7 kV/mm |
