WACKER® GS - GENERAL SANITARY is a one-part, acetoxy silicone sealant for general purpose sealing. This product is mildew resistant and therefore particularly suitable for sanitary applications.

WACKER® GS - GENERAL SANITARY cures at room temperature in the presence of atmospheric moisture to give a permanently flexible silicone rubber.



  • suitable for use in sanitary areas
  • long shelf life
  • non-sag
  • 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 (+100 °C) following cure
  • adheres excellently to glass, vitrified surfaces,
    ceramic tiles, selected plastics and most coatings


All the information provided is in accordance with the present state of our knowledge. Nonetheless, we disclaim any warranty or liability whatsoever and reserve the right, at any time, to effect technical alterations. The information provided, as well as the product's fitness for an intended application, should be checked by the buyer in preliminary trials. Contractual terms and conditions always take precedence. This disclaimer of warranty and liability also applies particularly in foreign countries with respect to third parties' rights.

Data sheets

The substrate areas that will be in contact with the sealant must be clean, dry and free of all loose material such as dust, dirt, rust, oil and other contaminants. Non-porous substrates should be cleaned with a solvent and clean, lint-free, cotton cloth. Remove residual solvent before it evaporates with a fresh clean, dry cloth. For application from cartridges cut thread open, fix nozzle on top and cut to required bead size. The sealant can be applied in beads or layers. It requires moisture in order to cure.

The curing time can take longer at lower temperatures, lower humidity or by low volume of air exchange.

Restrictions on use

WACKER® GS - GENERAL SANITARY should not be used on substrates such as marble, concrete, fibrous cement and mortar, as the product releases acetic acid during curing. In this case use a neutral grade such as




WACKER® GS - GENERAL SANITARY should not be used in contact with metals such as lead, copper, brass or zinc due to corrosion. WACKER® GS - GENERAL SANITARY may be discolored in contact with some organic elastomers, e.g. EPDM and neoprene. WACKER® GS - GENERAL SANITARY is not recommended for sealing of aquarium or for long term use under water. WACKER® 121 - AQUARIUM has been specifically developed for aquarium applications. WACKER® GS - GENERAL SANITARY should not be used on pre-stressed polyacrylate elements as it may cause environmental stress cracking. WACKER® GS - GENERAL SANITARY must not be used for structural glazing bonding. It is the responsibility of the user to test the compatibility of the sealant with the adjoining materials. Incompatible substances like coatings or organic plasticizers can lead to discoloration of the sealant. Cleaning agents and gaseous emissions can damage the sealant in its function or change its appearance. WACKER cannot make a general statement to the compatibility of all these varying materials with the sealant. In case of doubt the user shall conduct appropriate preliminary tests.



- Sealant for a variety of DIY applications
- Suitable for many general industrial sealing and bonding uses
- Specifically suitable for areas exposed to high humidity
Adhesion WACKER® GS - GENERAL SANITARY exhibits excellent primerless adhesion to most non-porous siliceous materials (e.g. glass, tiles, ceramics, enamel, glazed tiles) metals (e.g. aluminum, steel, zinc or copper) or painted wood
Users must carry out own tests due to the great variety of substrates.
The adhesion can be improved in many cases by pretreatment of the substrate with a primer.


WACKER® GS - GENERAL SANITARY is usually supplied in standard size cartridges that fit all standard caulking guns.


The 'Best use before end' date of each batch is shown on the product label. Storage beyond the date specified on the label does not necessarily mean that the product is no longer usable. In this case however, the properties required for the intended use must be checked for quality assurance reasons.

Sales and support

Wacker Chemical Corporation
3301 Sutton Road
Adrian, MI 49221-9397
United States
+1  888  922-5374 (Phone)

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