Sign assembly is often a delicate balance of strength and beauty. Thus, adhesives used in sign assembly need to be undeniably tough and a good match for the sign material** (note: this can sometimes be tricky with metal signs…..and allow little to no bondline read-through).

**To stand the test of time, adhesives must be chemical and environmentally resistant. Sign assembly replaces welding and with the right sized packaging, has its benefits including lowering the amount of waste and reducing costs.

Our client who sent us photos of this newly constructed large sign is extremely pleased with the final product’s strength and beauty. They trusted our recommendation of the LORD 810/20  adhesive system.

About LORD 810/20 Adhesive System

LORD^® 810 adhesive (with Accelerator 20) is a two-component adhesive system designed for bonding metals, such as aluminum, aluminum composite material (ACM), galvanized steel and CRS, and engineered plastics, such as PC-ABS. LORD 810 adhesive delivers fast cure speed and strong bonding with minimal bondline read-through (BLRT). Now regularly used in applications from sign assembly to vehicle part assembly to architectural cladding, this product from one the world’s leading adhesive manufacturers offers a strong, flexible and non-sagging option for bonding metal and plastic surfaces.

What is Read-Through?

Essentially read-through is the surface distortion of thinner-gauge materials, like metal or composite, due to adhesive application. Being able to view the effects of an adhesive through the substrate is not ideal when the appearance of the metal finish is important, like it is with sign assembly and automotive OEM’s.

Lord’s LRT 810 Acrylic offers an excellent solution from the messy bleed through that can leave metal or composite surfaces looking less than stellar. With standard adhesives, visibly distorted patterns and lines can become an eye sore on metal panels, but with Lord’s 810 LRT lines remain uniform, intact, and much more presentable.

Examining the Features and Benefits and LORD 810 Adhesive

Aesthetics – bonds thin and flexible substrates with little to no bondline read-through.

Convenient – requires little or no substrate preparation for bonding metals and plastics.

Non-Sag – remains in position when applied on vertical or overhead surfaces, allowing for greater process flexibility.

Precise Bondline – allows precise control of the adhesive bondline thickness due to its content of glass beads.

Environmentally Resistant – resists dilute acids, alkalis, solvents, greases, oils and moisture; provides excellent resistance to UV exposure and weathering.

Excellent Curing Time – Lord’s 810 LRT only requires about 20-30 minutes of handling time! Compare this to a typical curing timetable of up to seven days for other Low-Read- Through Adhesives. This holds true even in low temperatures.

UL Rated – UL 746C certified.

Lord’s line of adhesives bond to various substrates including coated, painted, bare metal substrates, plastics and composites.

A few other benefits…..

• Great for bonding thin-gauge metal-to-metal and metal-to-composite/plastics.
• The perfect choice for fascia bonding where appearance and aesthetic perfection is a priority such as with this impressive sign assembly sample, vehicle panels, and more.
• Good environmental resistance – 810/20 can withstand the elements, UV exposure, moisture, oils, acids and more.
• A structural adhesive with low shrinkage, good flexibility and low exotherm.
• Two component formula (2:1).
• Paired with Accelerator 20, precise bond lines are a cinch (glass bead filled formula).
• Superior peel strength.
• Six month shelf life when stored below 77 degrees F in original container.

Do you work in sign assembly and have questions about whether the LORD 810/20 adhesive is the optimum choice for your particular project? Our experienced sales team will be happy to address your questions and make further product recommendations. Put their experience to work for you by calling (toll-free) 800-220-1966 or emailing sales@chemical-concepts.com. We’ll be happy to help!