WANWEI CEZ 3031
[Introduction]
WANWEI CEZ 3031 is a medium particle size, protective colloid-containing aqueous dispersion of a terpolymer of vinyl acetate, ethylene and vinyl chloride.
The principal feature of WANWEI CEZ 3031 is its wide range of uses in coating systems containing opacifying pigments. The dispersion is low in odor and is produced without the use of alkyl phenol ethoxylate (APEO) containing compounds.
[Properties]
• Great Versatility
• High Elasticity
• Very good saponification resistance
• Due to the low favorable minimum film forming temperature of approx. +2°C there is no need to use coalescent agents with WANWEI CEZ 3031
[Specification]
| Property | Condition | Value | Method |
|---|---|---|---|
| Solids content | – | 49 – 51 % | DIN EN ISO 3251 |
| Viscosity, dynamic | 23 °C | Brookfield, spindle 4 / 20 rpm | 6000 – 12000 mPa·s | DIN EN ISO 2555 |
| pH | – | 4-5 | DIN/ISO 976 |
[General Characteristics]
| Property | Condition | Value | Method |
|---|---|---|---|
| Electrolyte stability | – | very good | specific method |
| Density | – | approx. 1.09 g/cm³ | DIN EN ISO 2811-1 |
| Minimum film forming temperature | – | approx. 2 °C | DIN ISO 2115 |
| Frost resistance | – | protect from freezing | specific method |
| Predominant particle size | – | approx. 0.7 µm | specific method |
| Protective colloid / emulsifier system | – | ionic and nonionic surfactants an | – |
| Filler compatibility | – | very good | specific method |
| Appearance of the dispersion film | – | clear, glossy | Visual |
| Film surface | – | slightly tacky | specific method |
[Applications]
• Fire-retardant Paints
[Storage]
When the dispersion is stored in tanks, proper storage conditions must be maintained. The product 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. 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 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.