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From £37.10

Momentive RTV 157 is a one-component, ready-to-use, high strength silicone rubber adhesive sealants. Available in various sizes.

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Momentive RTV157 Grey Silicone Adhesive Sealant

Silmid P/N: VAR0000374
From £37.10 (excl VAT) £44.52 (Inc VAT)

Momentive RTV 157 is a one-component, ready-to-use, high strength silicone rubber adhesive sealants. Available in various sizes.

Data Sheets

Download the Momentive RTV157 technical data sheet (TDS) and the Momentive RTV157 safety data sheet (SDS) from Silmid today. Once you have logged in or signed up, the datasheet will be visible for download if one is available.

Product Properties



Pratt and Whitney CML

Please Note: Specifications and approvals are subject to change at any time. Users should always consult their AMM or the OEM when selecting products to ensure items have the release needed. Only specifications listed on the order confirmation will be certified on the Silmid CofC.

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

Additional Content

Momentive Primers
Momentive Primers

Shipping information

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

**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.