WACKER® 121 - AQUARIUM is a one-part, acid-curing, silicone sealant with excellent mechanical properties and high curing rate for construction of aquariums and industrial applications. WACKER® 121 - AQUARIUM cures at room temperature under the action of atmospheric moisture to give a permanently flexible silicone rubbe
![]() | 2 Feature High strength, high toughness. |
Special features • long shelf life • non-sag • excellent tooling characteristics for professional use • readily gunnable both at low (+5 °C) and high (+40 °C) temperatures • rapid crosslinking: quickly becomes tack-free and crack resistant • flexible at low (-40 °C) and high temperatures (+150 °C) following cure • low shrinkage on curing • special high-viscosity paste • excellent mechanical properties
3 Application
Aquarium, Structural glass assembly and industrial use assembly.

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