Sil-Flex SL RTV 7525 - NATCON - National Consolidated Corporation

Sil-Flex SL RTV 7525 Self-Leveling Sealent

Sil-Flex SL RTV 7525 

Self-Leveling Sealant


Sil-Flex SL (RTV 7525) by Silco Inc is a self-leveling one component, low modulus, neutral cure silicone sealant and adhesive. When fully cured, Sil-Flex SL unique VOC complaint formula offers UV stability and tenacious adhesion. It is frequently used for coating electronic components and terminals or sealing pitch pockets and window seams. This product is specifically formulated to offer all weather performance to meet today’s Green Buildings Standards.

Available Sizes:

10.1 oz. Cartridges

5 Gallon Pails

55 Gallon Drums

Available Colors: *






* Screen colors are approximate representations and should not be used for color matching.
* Custom colors available with minimum order quantity.

Sil-Flex SL (RTV 7525) by Silco Inc Self-Leveling Sealent

Features and Benefits:


  • Self-Leveling
  • Non-Corrosive
  • Low Odor
  • 25% Movement Capability
  • Permanent Flexibility
  • Excellent Weatherability
  • Long Life
  • VOC Compliant
  • Non-Flammable
  • Waterproof
  • Excellent Adhesion


Physical Properties:


  • Skin Over Time (min): 12 minutes
  • Tack Free Time (min): 22 minutes
  • Tensile Strength: 180 psi
  • Service Temperature: -62F to 400F Degrees

Contact us today for more information about our Sil-Flex SL (RTV 7525) by Silco Inc.