Nouryon Expancel 930 DU 120
Nouryon Expancel 930 DU 120 is a high performance, dry, unexpanded thermoplastic microsphere blowing agent and lightweight filler engineered for PVC plastisols, coatings, sealants, plastics, and construction materials.
Nouryon Expancel 930 DU 120 features a unique polymer shell and encapsulated gas, expanding physically under heat to reduce density, control film build, and enhance surface finish without chemical decomposition by-products. Its expansion window (Tstart 117 – 127 °C, Tmax 189 – 204 °C) is tailored to Indian processing cycles in coatings, plastisols, and sealants, enabling precise process control and reliable weight reduction.
Functional Features & Technical Authority
Nouryon Expancel 930 DU 120 is defined by:
- Dry, unexpanded microspheres: Free-flowing white powder for easy dosing and dispersion.
- Physical expansion: Expands with heat, no chemical residues or gas by-products.
- 120 µm class particle size: Balances bulk and surface smoothness in coatings and plastisols.
- Very low expanded density: Enables substantial weight savings and cost reduction.
- Robust shell chemistry: Acrylonitrile based copolymer for resilience and compressibility.
Applications & Industry Use
Nouryon Expancel 930 DU 120 is widely applied in:
- PVC Plastisols & Thermoplastics: Reduces density in automotive underbody coatings, molded parts, and flexible profiles. Delivers lighter, more energy-efficient products with excellent impact resistance and controlled surface texture.
- Coatings & Underbody Systems: Used in automotive seam sealers, anti-slip industrial floors, and high-build paints to enhance film build, stone-chip resistance, and sanding properties. Lowers VOC per litre and improves surface finish for OEM and refinish lines.
- Sealants, Putties & Construction: Optimizes yield, sag control, and workability in building putties, caulks, and repair mortars. Minimizes cracking and shrinkage in thick applications and supports easier vertical/overhead use.
- Technical Textiles & Specialty Surfaces: Adds bulk, softness, and texture in textile coatings and specialty finishes (when process temperatures fit DU 120 expansion window).
- Lightweight Composites: Used in specialty foams and composite panels for precise density control and improved compressibility.
Key Features
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