Momentive™ RTV157 (Gray) and RTV159 (Red) custom packaged and ready to work.

Get Momentive™ RTV157 and RTV159

These performance-proven silicone sealants offer:

• Exceptional bond strength (for section depths up to 6mm or 1/4 in.)
• Reliable performance at high temperatures

              - RTV157 max continuous temp = 400˚ F (204˚ C)
              - RTV159 max continuous temp = 500˚ F (260˚ C)

• Excellent low-temperature flexibility
• One component. No mixing saves time
• Room temperature cure
• General primerless adhesion
• Bonds to most metals, glass, ceramic, silicone rubber, some rigid plastics, select flexile plastics, and more
• Sound electrical insulation properties
• Outstanding weather, ozone, and chemical resistance

. . . Delivered  tested and certified to your specifications, and ready to work.

FMi Chemical is  an Authorized Repackager for Momentive Performance  Materials. With a Nadcap® and ANAB® accredited independent laboratory, FMi can deliver nonmetallic materials that are tested and certified to your individual specifications––in your choice of production-ready containers.
​Click here to see our scope of laboratory services.   

RTV157 and RTV159 are available in ready-to-use 6 oz cartridges for popular Semco® pneumatic caulking guns.

RTV159 is now available in 2.5 oz cartridges!

2.5 oz cartridges are ideal for small, precise sealing jobs, minimizing waste.

Need a sample? Want more information? Call us today...

At (+1) 860-243-3222, or send us an email at info@fmichemical.com. And don't forget to ask how FMi Chemical can help:

• Pre-certify materials to support quality assurance
• Improve inventory control
• Reduce waste on the shop floor
• Speed production time
• Save money across your operations