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Momentive RTV157 Grey Silicone Adhesive Sealant

Silmid P/N: VAR0000374
From £37.47 (excl VAT) £44.96 (Inc VAT)
Momentive RTV 157 is a one-component, ready-to-use, high strength silicone rubber adhesive sealants. Available in various sizes.

Product Properties


Product Information

RTV157 and RTV159 are one-component, ready-to-use, high strength silicone rubberadhesive sealants. They cure to tough resilient silicone rubber on exposure toatmospheric moisture at room temperature. RTV159 sealant also provides hightemperature performance.

Both of these products release acetic acid vapors as aby-product of cure.RTV157 and RTV159 sealants are paste consistency products which can be applied tohorizontal, vertical and overhead surfaces in applications requiring high strength andtemperature performance.Since these adhesive sealants utilize a moisture cure system, they must not be used inthicknesses of greater than 6mm (1/4 in.).

Where section depths exceed 6mm (1/4 in.),Momentive Performance Materials one-component, addition cure or two-componentsilicone rubber compounds are suggested.These sealants were not designed for and should not be used for applications intendedfor permanent implantation into the human body.


  • High strength
  • High temperature performance
  • Low temperature flexibility
  • One-component Room temperature cure
  • General primerless adhesion
  • Excellent electrical insulation properties
  • Excellent weatherability, ozone, and chemical resistance


  • Momentive RTV 157
  • Grey
  • Silicone Rubber Adhesive Sealant

Shipping information

Orders over £100 placed online will now qualify for FREE UK Mainland delivery*

Orders under £100 placed online for UK Mainland delivery is £12.00*

**Orders requiring Pre 10.00am Next Day delivery has also been lowered from £35.00 to £30.00, orders placed through the office will incur additional charges.** 

International delivery (door to door delivery) is available for selected countries worldwide. Shipping will be automatically calculated based on the weight, location and hazardous nature of the goods. Customers can also choose ex works to arrange their own collection.

Please refer to our delivery page for more information.