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LORD Launches Two Adhesives with Expanded Durometer and Curing Temperature Capabilities

( 10/23/2017 )

Eric Dean | LORD Corporation(Cary, NC – Oct. 23, 2017) -- LORD Corporation -- a leader in developing and manufacturing high-performance adhesive products – has launched two new in-mold bonding (IMB) systems for bonding addition-cured silicone rubber to a variety of metal and compatible plastic substrates.

During the injection or compression molding process, LORD IMB 3020 and IMB 3030 two-component adhesive solutions can effectively bond a variety of addition-cured silicone rubbers to a wide range of metal substrates and compatible plastic substrates including polycarbonates, polyphenylsulfones, polyetherimides, some polyamides, some elastomers and other thermoplastics.

“Most plastics require plasma treatment to create hydroxyl groups to promote silane bonding,” said Paul Wheeler, LORD Corporation Staff Scientist. “Special surface preparation such as plasma for thermoplastic substrates is typically not necessary for LORD IMB 3020 and 3030 adhesive systems, but it may improve the wetting properties of the adhesive on more difficult, or low-surface energy substrates. There are no moisture or atmosphere application limitations with LORD IMB 3020 and 3030.”

Both LORD IMB 3020 and 3030 allow for easy application, do not require extreme temperatures for curing, and generate robust bonds that withstand 85-degrees Celsius at 85 percent relative humidity for 14 days.

“LORD IMB 3020 and 3030 Adhesives provide a strong, durable structural bond when over-molded with liquid silicone rubber (LSR),” says Eric Dean, Manager, Global Business Development and Marketing Strategy, LORD Corporation. “The bond strength is greater than the silicone being molded and leaves 100% rubber on the substrate after peel tests.”

LSR is typically cured above 110 degrees Celsius, unless the substrate has a low melting point or the LSR is molded near sensitive electronics. Low-temperature curing silicones work at temperatures of 70 to 90 degrees Celsius and LORD primers work well with these lower temperatures as well.

Applications for IMB Adhesives include consumer electronics, automotive components, medical devices, and household items.

For more information, call 1-877-ASK-LORD (275-5673), contact us at customer.support@LORD.com or visit www.LORD.com/IMB.

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