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VINNAPAS® SAF 72

VINNAPAS® SAF 72 is a fine-particle dispersion of a special styrene/acrylate copolymer.
VINNAPAS® SAF 72 is manufactured without alkyl phenol ethoxylate (APEO) containing compounds.



特性

  • Excellent pigment binding properties
  • Great adhesion to inorganic substrates
  • Very good water resistance
  • Excellent alkali resistance

免责声明

所提供之所有信息均基于我们当前所掌握的知识。尽管如此,我们不对其作任何担保、也不承担任何责任,并且保留在任何时候进行技术变更的权利。购买方应在预测试中对所提供之信息以及产品在既定应用中的适应性进行检查。任何时候都必须以合同条款与条件为准。此外,本免责申明还适用于与第三方权利有关之事宜,尤其是在德国境外。

VINNAPAS® SAF 72 has an excellent pigment-binding capacity and very good adhesion to inorganic substrates. VINNAPAS® SAF 72 is a high performance binder for interior and exterior paints, dispersion modified silicate paints and plasters, silicone paints and plasters, synthetic resin bound plasters and roof coatings. Additionally,VINNAPAS® SAF 72 is an ideal binder for manufacturing construction and tile adhesive paste with extremely good wet adhesion properties. Films produced from this dispersion have an excellent resistance to water and alkalis, with only slight water absorption and greatly delayed whitening. Paints and plasters based on this dispersion therefore show very little tendency to soften under prolonged immersion in water. If VINNAPAS® SAF 72 is to be used in dispersion silicate paints, the compatibility with the corresponding water glass should always be checked.

Processing

Since VINNAPAS® SAF 72 only forms a film at temperatures over approx. 23°C, it must, in practice, be combined with a film-forming agent. Depending on its type, a dosage between 3 – 10 % of film-forming agent on VINNAPAS® SAF 72 is recommended.

If the product is used in applications other than those mentioned, the choice, processing and use of the product is the sole responsibility of the purchaser. All legal and other regulations must be complied with.

For questions concerning food contact status according the chapter 21 CFR (US FDA) and German BfR, please feel free to contact us.

Wacker Chemie AG
Hanns-Seidel-Platz 4
D-81737 München
Germany

储存

When the dispersion is stored in tanks, proper storage conditions must be maintained. VINNAPAS® SAF 72 has a shelf life of 6 months starting from the date of receipt if stored in the original, unopened containers at temperatures between 5 and 30 °C. Iron or galvanized iron containers and equipment are not recommended. Corrosion could result in discoloration of the dispersion or blends made from it in further processing. We therefore recommend the use of containers and equipment made of ceramic, rubberized or enameled materials, appropriately finished stainless steel, or plastic (rigid PVC, polyethylene or polyester resin).
As polymer dispersions may tend to superficial film formation, skins or lumps may be formed during storage or transportation. A filtration process is thus recommended prior to utilization of the product.

Preservation for transport, storage and further processing

VINNAPAS® SAF 72 is adequately preserved during transportation and storage if kept in the original, unopened containers. When stored in tanks, the dispersion should be modified with a preservative to prevent microbial contamination. Suitable measures should be taken to ensure that the tanks are properly clean. In storage tanks in which the product is not stirred, it is advisable to cover the surface of the dispersion with 1 - 2 cm of water, to which a preservative has been added. This will prevent skin formation and microbial contamination. In the case of storage in silos, it is important that the air drawn into the silo when the product is discharged is also kept free of germs. As a rule, all finished products manufactured from polymer dispersions also require preservation. The type and extent of preservation will depend on the raw materials used and the anticipated sources of contamination. The compatibility and effectiveness of the preservatives should be checked for a given formulation. Preservative manufacturers will be able to advise you on the type and amount of conservation agent to use.

销售和支持

Changsha Port
长沙市开福区新港大道80号
000000 Changsha
中国
+86  400  921-6699 (电话)
Contact Sales

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