Admil Prosil 20 100% Acetic Silicone Adhesive Sealant

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Product Overview


100% Acetic Silicone Adhesive Sealant

Admil’s Prosil 20 silicone sealant is acetic one-part moisture curing high-performance industrial RTV silicone.  It is a high strength 100% silicone designed for general purpose glazing and sealing applications where long-term reliability is required.

It can also be used in the manufacturing of aquariums and has superior chemical, and temperature performance compared to neutral silicones. It is unaffected by high and low temperatures and its superior physical properties are retained over many years exposure.

Prosil 20 has the following certifications:

  • BS 5889 building approved 
  • Food grade acceptable

Some applications for this product include:

  • automotive gaskets
  • industrial assembly
  • environmental and refrigerated rooms
  • sheet metal
  • skylights
  • ventilators
  • air-conditioning units
  • metal/plastic signs
  • weatherproofing
  • aquariums


  • 3-6 minute skin time
  • Low Slump
  • Movement capability + 25%
  • High-Temperature resistance up to 205oC
  • Suitable for food applications (Check FDA regs)

Materials **

  • Glass
  • Aluminium
  • Timber
  • Wood
  • Ceramics
  • Plastics
  • Most powder coated surfaces.

** Materials are an indication only and some surfaces may need additional preparation prior to application. Admil Prosil Primer 1 is recommended where future preparation is required.


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