Signs are used to communicate a message to a specific group or the purpose of marketing.  Visual graphics are created to display information.  Over years sign technology standards have changed and UL is to provide service to illuminated and nonilluminated installed lights and the connection to an electrical supply source.   Lord has the perfect adhesives in the 400 series.

The LORD® 400 series can be used to replace welding, brazing, riveting and other mechanical fastening methods, outperforming these fasteners in harsh environments.

Some Features & Benefits of the LORD 400 Line of Adhesives
Environmentally Resistant – resists dilute acids, alkalis, solvents, greases, oils, moisture, salt spray and weathering; provides excellent resistance to indirect UV exposure.
Extremely Versatile – bonds a wide range of unprepared metals with minimal substrate preparation, as well as engineered thermoplastics including XENOY®, polycarbonate, ABS and acrylics.
Temperature Resistant – performs at temperatures from -40°F to +400°F (-40°C to +204°C).
Non-Sag – remains in position when applied on vertical or overhead surfaces, allowing for greater process flexibility.
UL Rated – when mixed with LORD Accelerator 19, adhesive system is UL 746C certified.

Some of the Most Popular Applications for LORD 400 Series Adhesives

• Sign Box Bonding
• Channel Letter Bonding

Adhesives in the LORD 400 series are frequently used for adding structural reinforcing members inside the sign box and building channel letters. This type of reinforcement helps your crew to unleash their creativity and reduce costs by using thinner gauge metals, pre-painted substrates and engineered plastics in various combinations.

Some Specifics on the LORD 400 Line of Adhesives

LORD® 403, 406 and 410 acrylic adhesives in combination with LORD Accelerator 19 or 19GB can be used to replace welding, brazing, riveting and other mechanical fastening methods. These adhesives perform particularly well in low-temperature environments and applications that are subject to high impact or high peel loads. LORD 403, 406 and 410 acrylic adhesives provide a range of working times to accommodate a wide variety of process requirements.

LORD 403, 406 and 410 acrylic adhesives, when mixed with LORD Accelerator 19 or 19GB, create adhesive systems that bond a wide variety of prepared or unprepared metals and engineered plastics. These adhesive systems are specifically formulated to provide the highest impact and peel strengths available in a room temperature curing adhesive.

LORD 403, 406 and 410 acrylic adhesives can be mixed with either LORD Accelerator 19 or LORD Accelerator 19GB. LORD Accelerator 19 improves the high temperature resistance of LORD 403, 406 and 410 acrylic adhesives, and is available in off-white or black. LORD Accelerator 19GB allows precise control of the adhesive bondline thickness due to its content of glass beads. LORD Accelerator 19GB is available in off-white, red or grey. For further detailed information, refer to the LORD Accelerator 19 and 19GB data sheet.

How to Best Prepare a Surface for Use With LORD 400 Adhesives

Make sure to take the time to remove grease, loose contamination or poorly adhering oxides from metal surfaces. Normal amounts of mill oils and drawing compounds usually do not present a problem in adhesion. Most plastics require a simple cleaning before bonding. Some may require abrading for optimum performance.

You can view our comprehensive sign industry brochure here.

If you have questions about what adhesives are your best choice for sign box bonding and/or channel letter bonding, our experienced sales team can help you determine the right selection for your particular project. Simply give us a call (toll-free) at 800-220-1966 or email us at [email protected]. We’ll be happy to help!