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PRIMIS® EP 1770

PRIMIS® EP 1770 is an aqueous polymer dispersion based on vinyl acetate and ethylene. The dispersion combines moderately high solids content with a lower viscosity — a combination that permits the addition of moderate filler loadings. This results in formulations with good fluidity in board core. PRIMIS® EP 1770 is not produced with any added organic solvents and plasticizers.



特性

  • Excellent flame-resistance and high temperature resistance
  • High cohesion
  • Excellent alkali-resistant

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。

Properties

PRIMIS® EP 1770 is chemically stable at both high and low pH. It is compatible with an assortment of resins, solvents, plasticizers and other modifiers as well as the other VAE dispersions.PRIMIS® EP 1770  can be used in the addition of moderate filler loadings, including calcium carbonate, ATH and flame resistance powder with magnesium or bromide.

Application

PRIMIS® EP 1770 can provide high strength and low water absorption. PRIMIS® EP 1770 offers good anti-yellowing performance when dried under high temperature. PRIMIS® EP 1770 offers good delamination strength for the board core because of strong adhesion between PRIMIS® EP 1770 and filler.

储存

When the dispersion is stored in tanks, proper storage conditions must be maintained. The product has a shelf life of 9 months starting from the date of manufacture if stored in the original, unopened containers at temperatures between 5 and 30°C. Any longer periods for the maximum storage period that may be described in the Certificate of Analysis which accompanies each shipment of the product, take preference over this suggestion in which case the time period stated in the Certificate of Analysis shall be solely authoritative. Iron or galvanized-iron equipment and containers are not recommended because the dispersion is slightly acidic. Corrosion may result in discoloration of the dispersion or its blends when further processed. Therefore, the use of containers and equipment made of ceramics, rubberized or enameled materials, appropriately finished stainless steel, or plastic (e.g. rigid PVC, polyethylene or polyester resin) is recommended. As polymer dispersions may tend to superficial film formation, skins or lumps may form during storage or transportation. Filtration is therefore recommended prior to utilization of the product.

Preservation for Transport, Storage and further Processing

The product is adequately preserved during transportation and storage if kept in the original, unopened containers. However, if it is transferred to storage tanks, the dispersion should be protected against microbial attack by adding a suitable preservative package. Measures should also be taken to ensure cleanliness of the tanks and pipes. In unstirred tanks, a layer of preservative-containing water should be sprayed onto the surface of the dispersion to prevent the formation of unwanted skin and possible attack by microorganisms. The thickness of this water layer should be < 5 mm for low viscosity dispersions and up to 10-20 mm for high viscosity products. Proper procedures - periodic tank cleaning and sanitization - must be set up in order to prevent microbial attack. Contact your biocide representative/supplier for further plant hygiene recommendations. Measures should be taken to ensure that only clean air enters the tank when the dispersion is removed. Finished products manufactured from polymer dispersions usually also require preservation. The type and scope of preservation will depend on the raw materials used and the anticipated sources of contamination. The compatibility with other components and the efficacy of the preservative should always be tested in the respective formulation. Preservative manufacturers will be able to advise you about the type and dosage of preservative required.

销售和支持

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

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