ASTRA DF NS®
Non-Silicone Defoamers
Non-silicone defoamers for processes where silicone is undesirable (food packaging, auto coatings, electronics). Fast foam destruction without silicone contamination risk.
When do we need silicone-free defoamers?
In food packaging, automotive recoat, electronics and many high-performance applications silicone contamination is unacceptable. Non-silicone defoamers from ASTRA control foam without compromising recoatability, adhesion or transparency.
Key Benefits
- Silicone-Free formula — safe for recoat and overspray
- No effect on inter-coat adhesion
- Food packaging compliant
- Suitable for clear and transparent coatings
- Effective in waterborne and solvent systems
- Good long-term stability
Impact on Coating Performance
For sensitive industries where silicone defects are a deal-breaker, ASTRA DF NS provides reliable defoaming without risk. Perfect for automotive refinish, can coatings and food contact applications.
O – organosoluble, WB – water-based, RC – radiation-curable
Product Catalog
Download TDS| Active % | Feature | TDS | Samples | |||
|---|---|---|---|---|---|---|
| ASTRA DF NS-1007NS | — | Solvent-based / Radiation-curable | 100% | Specially developed for UV-curing systems, epoxy and polyester systems. Excellent compatibility, prevents foaming. | ||
| ASTRA DF NS-107NS | AC-2000 | Solvent-based / Radiation-curable | 7% | Excellent compatibility, low shrinkage, suitable for medium and high polarity systems (UV-curable systems, epoxy, unsaturated polyesters). Has little effect on transparency. | ||
| ASTRA DF NS-1107NS | Disparlon P-420 | Solvent-based / Radiation-curable | 100% | Specially developed for UV-curing systems, epoxy and polyester systems. Excellent compatibility, prevents foaming. | ||
| ASTRA DF NS-1207NS | BYK-055 | Radiation-curable | 25% | Excellent compatibility, very low shrinkage tendency. Particularly suitable for systems of medium and high polarity (UV-curable systems). Low influence on film transparency. | ||
| ASTRA DF NS-1307NS | VERSION OF ASTRA-1207NS | Solvent-based / Radiation-curable | 50% | Excellent compatibility, very low shrinkage tendency. Particularly suitable for systems of medium and high polarity (UV-curable systems). Low influence on film transparency. | ||
| ASTRA DF NS-1907NS | Tego-920 | Solvent-based / Radiation-curable | 60% | Specially developed for radiation curing systems. Good compatibility, high efficiency. Does not affect the coating overcoating ability. | ||
| ASTRA DF NS-2007NS | Tego-920 | Solvent-based / Radiation-curable | 100% | Specially developed for radiation curing systems. Good compatibility, high efficiency. Does not affect the coating overcoating ability. | ||
| ASTRA DF NS-207NS | — | Solvent-based / Radiation-curable | 3% | Specially developed for UV curing systems, excellent compatibility, high defoaming efficiency, low tendency to form craters. | ||
| ASTRA DF NS-2107NS | AC-326F | Solvent-based / Radiation-curable | 20% | Specially developed for UV-curing systems, epoxy and polyester systems. Excellent compatibility, prevents foaming. For high viscosity systems. | ||
| ASTRA DF NS-2207NS | NOPCO NXZ | Water-based | 20% | Highly effective defoaming, widely used in emulsion paints. Does not have a negative effect on paintwork. |
Articles about ASTRA DF NS®
Knock Foam Down in One Shift: Plant R D Playbook for Polymer Emulsions
Knock Foam Down in One Shift: Plant R D Playbook for Polymer Emulsions ! Polymer emulsion foam title card illustration The fastest, most reliable way to control foam in emulsion polymerization is a compatibly tuned silicone-polyether defoamer, or a screened mineral or molecular alternative, dosed at…
Read
Formulators: Process First Foam Control for Mixing (Save up to 8%)
Formulators: Process First Foam Control for Mixing (Save up to 8%) ! Foam control mixing process title card Foam during mixing is typically controllable when process fixes come first and chemistry comes second: reduce vortexing, switch to under-surface powder induction or inline recirculation, and r…
Read
5 Variables Formulators Must Screen Before Custom Defoamer Formulation
5 Variables Formulators Must Screen Before Custom Defoamer Formulation ! Decorative custom defoamer formulation title card A custom defoamer formulation is justified once an off-the-shelf product fails repeatedly under real process conditions, whether from extreme pH, high surfactant load, elevated…
ReadNeed technical assistance?
Our team can help you select the right additive for your formulation.
Contact Technical Support