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VINNAPAS® 4141 H

VINNAPAS® 4141 H  is a slightly hydrophobic dispersible polymer powder for dry mix mortars, specifically suited for ETICS and mineral renders and plasters. It is based on a very flexible copolymer of vinyl acetate and ethylene and belongs to the product class VINNAPAS® H which means that it provides a hydrophobic effect in addition to the basic properties adhesion and flexibility.


Properties

  • VINNAPAS® 4141 H is a copolymer powder based on vinyl acetate and ethylene and is dispersible in water.
  • VINNAPAS® 4141 H is a polymeric binder. Blended with inorganic binders the powder will provide very good workability; cured mortars with VINNAPAS® 4141 H have improved adhesion, flexibility, deformability and abrasion resistance. 
  • Due to the high ethylene content and therefore low glass transition temperature (Tg), this copolymer is highly flexible.
  • VINNAPAS® 4141 H will not have any effect on water-vapor transmission at common dosages. 
  • VINNAPAS® 4141 H contains a fine mineral filler as an antiblocking agent. 
  • VINNAPAS® 4141 H is a dispersible polymer powder in the lower Tg range with a medium hydrophobic effect. It has no effect on rheology.
  • Mortars modified with VINNAPAS® 4141 H exhibit very good workability and attain high strength when cured. 
  • Additionally VINNAPAS® 4141 H provides hydrophobicity within the hardened mortar.
  • It is especially suitable for adhesive mortars and embedding mortars in ETICS. 

Specific features of VINNAPAS® 4141 H

  • Colorless
  • Defoaming


For typical application fields of VINNAPAS® 4141 H, refer to the section "application". Please discuss additional applications with your WACKER customer representative. 

Processing

For the production of ready-mixed dry mortars, such as adhesives and patching compounds, blend VINNAPAS® 4141 H with the other dry ingredients in appropriate equipment. Temperatures should not be allowed to rise excessively during mixing because otherwise the dispersible polymer powder could agglomerate by virtue of its thermoplastic properties. The mortar is prepared for use by adding the recommended amount of water and mixing mechanically or by hand. Since hand mixing generates little shear force, we recommend allowing the fresh mortar to slake for 5 minutes and then stirring it again. This is usually unnecessary where mechanical mixers are employed.  

Packaging

25 kg paper bags

Big Bags or bulk on request. 

Storage

During storage, protect the product from contact with moisture. Prolonged storage at temperatures above 30 °C, especially in combination with pressure, humidity or exposure to sunlight, may result in blocking. Carefully seal any open containers and store them under suitable conditions. We recommend storing the product in a warehouse that provides cool and dry conditions. Do not store the product for more than six months, starting from the date at which it was received, unless the Certificate of Analysis contains a different date, which would take precedence. If the product is stored longer than recommended, it may still be used but users are advised to verify the properties required for the intended use.

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Wacker-Chemie Benelux B.V.
Heiligeweg 166
1561 DM Krommenie
Netherlands
+31  75  64760-00 (Phone)
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说明
[1] 最低成膜温度 | DIN ISO 2115 

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Wacker-Chemie Benelux B.V.
Heiligeweg 166
1561 DM Krommenie
+31  75  64760-00 (Phone)

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