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ASI Aquarium Sealant, CLEAR, 10.2 oz

Product Description

ASI Aquarium Silicone Sealant has been specifically formulated for the fabrication of fresh and salt-water aquariums. This high modulus component RTV Silicone Sealant forms strong cohesive bonds to glass without the need of primers. The bonds are unaffected by continuous immersion in water and, when fully cured, is non-toxic to fish.

ASI Aquarium Silicone Sealant is a non-slump sealant and can be applied to vertical surfaces without flowing or sagging. Because Aquarium is a 100% silicone sealant, it has excellent resistance to weathering including ozone, ultra-violet radiation, freeze-thaw conditions and airborne chemicals.

ASI Aquarium Silicone Sealant can be applied to surface temperatures from -18°C to +50°C (0°F to +120°F) and after curing, withstands constant operating temperatures from -57°C to +233°C (-70° F to 450°F).

Fully cured, ASI 502 AQ has excellent adhesion to glass, metal, porcelain, ceramic, stone, wood, most plastics and many other nonporous substrates. Generally it can also be used in food service installations, walk-in refrigerators, general sealing and waterproofing, and similar.


  • Aquarium construction, both Salt Water and Fresh Water.
  • Fish Ponds.
  • Fountains (not postable water tested or certified).
  • Bonds directly to properly cleaned glass and aquarium frames without primer.
  • Withstands constant immersion.
  • Vertical or Horizontal.
  • UV and Color stable.
  • Allow sealant to cure 7 - 10 days before adding water and fish.


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