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High-purity, non-ionic silicone powder with excellent thermal stability up to 200 °C.
Free-flowing, low-dusting particulate form designed for easy handling and uniform dispersion.
Provides exceptional surface lubricity and slip without compromising substrate adhesion.
Compatible with a wide range of polymers including polyolefins, engineering plastics, and thermoplastic elastomers.
Halogen-free and compliant with major global regulatory frameworks for industrial additives.
Internal lubricant in injection-molded polypropylene and polyethylene components.
Processing aid for extruded PVC profiles and cables to reduce die build-up and improve surface finish.
Anti-blocking agent in flexible packaging films and synthetic leather coatings.
Surface modifier in toner formulations for improved flow, charge control, and fuser roll release.
Additive in powder coatings to enhance leveling, gloss uniformity, and scratch resistance.
| Chemical Type | Dimethyl silicone polymer (crosslinked) |
| Product Form | Free-flowing white powder |
| Appearance | White to off-white, free-flowing granular powder |
| Primary Applications | Lubricant, anti-blocking agent, surface modifier |
| Key Features | Thermally stable, non-migrating, low volatility |
| Benefits | Improved melt flow, reduced friction, enhanced surface aesthetics |
| Typical Particle Size (D50) | 40–60 µm |
| Volatiles (105 °C, 2 hrs) | < 1.0 wt% |
Q1: What is the primary function of DOWSIL 9506 Silicone Powder in formulations?
A: DOWSIL 9506 Silicone Powder functions primarily as a surface modifier and processing aid, delivering improved slip, abrasion resistance, and tactile softness in thermoplastic, thermoset, and elastomeric systems.
Q2: Is DOWSIL 9506 Silicone Powder compatible with common engineering plastics such as polypropylene, polyethylene, and polycarbonate?
A: Yes, DOWSIL 9506 Silicone Powder exhibits broad compatibility with polyolefins, styrenics, and many engineering thermoplastics. It is typically dispersed via melt compounding or dry blending and remains stable under standard processing conditions.
Q3: How should DOWSIL 9506 Silicone Powder be incorporated into a polymer matrix?
A: It is most effectively incorporated through high-shear melt compounding or pre-blended masterbatch dilution. For optimal dispersion, avoid excessive residence time at elevated temperatures and ensure uniform mixing prior to final shaping or extrusion.
Q4: Does DOWSIL 9506 Silicone Powder affect the mechanical properties of the host polymer?
A: At typical use levels, it generally maintains the base polymer’s tensile strength and impact performance while enhancing surface characteristics. Significant loading may influence stiffness or elongation, so formulation optimization is recommended for critical applications.
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