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New Dow Corning® HM-2520 Assembly Sealant Offers Improved Green, Tensile Strength


Specially formulated for automated assembly, new Dow Corning® HM-2520 Assembly Sealant combines the immediate green strength of a hot melt adhesive with the long term performance of a reactive silicone sealant and improved resistance to movement during cure and at high temperatures under load.

HM-2520 Assembly Sealant is a neutral-cure, low VOC sealant that enables parts to be moved immediately upon application. It also offers higher tensile strength for applications that require more secure adhesion.

“HM-2520 Assembly Sealant helps maximize plant efficiency and production output by effectively removing cure time from the manufacturing process,” said Ross Noel, senior application engineer, Dow Corning. “For customers who seek immediate green strength, long term performance and reduced sealant squeeze out and clean up, HM-2520 Assembly Sealant is an excellent solution.”

HM-2520 Assembly Sealant maintains excellent adhesion to most common substrates. It has a high tensile strength of 700 psi and service temperatures ranging from -50° to 300°F (-45° to 150°C). This product meets FDA Regulation CFR 177.2600 and is NSF 51 and NSF 61 listed.

For more information about Dow Corning’s complete line of industrial assembly solutions, visit

Dow Corning ( provides performance-enhancing solutions to serve the diverse needs of more than 25,000 customers worldwide. A global leader in silicones, silicon-based technology and innovation, Dow Corning offers more than 7,000 products and services via the company’s Dow Corning® and XIAMETER® brands.

Dow Corning is a joint venture equally owned by The Dow Chemical Company and Corning, Incorporated. More than half of Dow Corning’s annual sales are outside the United States.

Dow Corning is a registered trademark of Dow Corning Corporation.


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