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WACKER® DA Plus

WACKER® DA Plus is a one-part, neutral-curing, low-modulus silicone sealant with outstanding adhesion, long shelf life and excellent tooling characteristics for construction, perimeter sealing and glazing.

WACKER® DA Plus cures at room temperature under the action of atmospheric moisture to give a permanently flexible silicone rubber.


Eigenschaften

•   Mold retardant

•   Non-sag

•   Ready gunnability at low (+5°C) and high (+40 °C) temperatures

•   Flexible at low (-40°C) and high temperatures (+180°C)

•  Excellent weatherablity

•  Almost odorless

•   Rapid crosslinking: quickly becomes tack-free

•  Primerless adhesion to most materials

•  Excellent tooling characteristics for professional use

•  Non-corrosive to metals

• Suitable for alkaline substrates such as concrete, mortar, fibrous cement

• Compatible with water-based and solvent-based coatings: no plasticizer migration

•   Long shelf life

Applications

 

•  Sealing of connecting and expansion joints in the building industry

•  Sealing of joints between in sanitary applications

•  Sealing of joints between glazing and supporting structure (frames, transoms,mullions)

•  Industrial sealant for the automotive, aircraft and shipbuilding industries

•  Sealant for technical applications: e.g. for mechanical engineering and for container and silo consturction

 

Restrictions on use

 

WACKER® DA Plus may be discolored in contact with some organic elastomers, e.g. EPDM, APTK and neoprene.

WACKER® DA Plus is not recommended for use on natural stone, such as marble, granite, quartzite, as it can cause staining

WACKER® DA Plus must not be used for sealing of auqaria

WACKER® DA Plus is not recommended for structural glazing bonding

The curing time can be extended at lower temperature, lower humidity or by low volume of air exchange.

 

Preparation

 

The substrate areas that will be in contact with the sealant must be clean, dry and free of all loose material, dust, dirt, rust, oil and other contaminants. Non-porous substrates should be cleaned with a solvent and a clean, lint-free, cotton cloth. Wipe dry immediately with another such cloth before the solvent evaporates from the surface.

 

 

Adhesion

 

WACKER® DA Plus exhibits excellent primerless adhesion to most non-porous siliceous material, e.g. glass, tiles, ceramics, enamel, glazed tiles and clinker; impregnated, varnished or painted wood; and some plastics.

Users must carry out their own tests due to the great variety of substances.

The adhesion can be improved in many cases by pretreatment of the substrates with a primer.

If adhesion difficulties arise please contact our technical service.

Lagerung

WACKER® DA Plus has a shelf life of at least 15 months when stored at a cool dry place (below 25°C).

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.

Vertrieb & Support

Wacker Chemie AG
Heilbronner Strasse 74
70191 Stuttgart
Deutschland
+49  711  61942-0 (Phone)
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Heilbronner Strasse 74
70191 Stuttgart
+49  711  61942-0 (Phone)

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