ADDITOL® VXW 6393 is a defoamer primarily used to prevent foam in emulsion wall paints. Here's a summary of its key features and usage instructions:
Type: Defoamer based on mineral spirits, without silicone addition.
Form of Delivery (f.o.d.): Active substance, approximately 100%.
Product Data:
- **Dynamic Viscosity**: Less than 250 mPa·s (100 1/s; 23 °C)
- **Colour/Appearance**: Whitish colour, cloudy appearance
- **Density (Liquids)**: Approximately 0.85 g/cm³ (20 °C)
- **Flash Point (Pensky-Martens)**: Greater than 100 °C
Special Properties and Use:
- Designed to eliminate foam in emulsion wall paints, including those based on PVAC, PVC, acrylics, and their mixed polymers.
- Requires thorough agitation before use due to potential sedimentation.
- Optimal rheology examination requires waiting an additional 5 minutes.
- Easily emulsified and incorporated into the designated product.
Processing:
- Generally added undiluted directly to the grind mix. Alternatively, 2/3 of the total quantity can be added to the grind mix and 1/3 to the emulsion.
- Recommended dosage ranges from 0.1% to 0.5% on total formulated solids. In cases of strong foam generation, a higher dosage (not exceeding 1%) may be necessary.
Storage:
- Packed in original containers, it maintains stability for at least 365 days at temperatures up to 25 °C.
- Phase separation may occur, which can be remedied by shaking or agitation.
- Does not freeze at subzero temperatures but becomes more viscous without affecting effectiveness.
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