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VINNAPAS® 224 HD

VINNAPAS® 224 HD  is a multi-purpose construction dispersion for liquid and paste, cement-free binder technology, specifically suited for primers, ready-to-use tile adhesives and one-component dispersion-based water-proofing membranes. It is based on a hard copolymer of styrene and acrylate and belongs to the product class VINNAPAS® HD which means that it provides a remarkable hydrophobic effect in addition to the excellent adhesion even under wet conditions. 



特性

  • VINNAPAS® 224 HD is a fine-particle dispersion of a special styrene/acrylate copolymer.
  • VINNAPAS® 224 HD has excellent pigment-binding capacity and very good adhesion to inorganic substrates.
  • VINNAPAS® 224 HD is ideal for manufacturing construction and tile adhesive paste with extremely good wet adhesion properties.
  • VINNAPAS® 224 HD is also used as a binder for roofing compounds, high-quality synthetic-resin and silicone-resin plasters, and as a primer for flooring compounds.

VINNAPAS® 224 HD的特殊性能

  • 憎水性

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® 224 HD has excellent shear stability at pH values above 7.5 and is therefore easy to process. The dispersion is readily compatible with conventional fillers and pigments. The only exceptions are platelet pigments, such as kaolin, which raise the viscosity of the batch. The correct type and amount of wetting agent can be easily determined by storage stability tests of the pigmented batch at elevated temperatures in a drying cabinet at 50 °C. Film-forming aids: VINNAPAS® 224 HD already contains small amounts of 2,2 ,4-Trimethyl-1,3-pentanediol monoisobutyrate and forms a film at temperatures above 12°C. If a lower film-forming temperature is desired, additional film-forming agents must be used.


Films produced from this dispersion have excellent resistance to water and alkalis, with only slight water absorption and greatly delayed whitening. Plasters based on this dispersion therefore show very little tendency to soften under prolonged immersion in water. VINNAPAS® 224 HD is particularly recommended for producing ready-to-use construction adhesives, which have outstanding adhesion bond strength even when exposed to water. This improved wet adhesion is particularly useful for ceramic tiles adhesives (class D2 according to EN 12004).


For typical application fields of VINNAPAS® 224 HD, refer to the following application table. Please discuss additional applications with your WACKER customer representative.

包装

Non-returnable PE drums of 150 kg capacity (standard dispatch quantity: only fully-loaded pallets à 750 kg), non-returnable containers of 1 t capacity and road tankers.

储存

When the dispersion is stored in tanks, proper storage conditions must be maintained. VINNAPAS® 224 HD 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® 224 HD 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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