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Highly dispersible fine-particle PTFE pigment optimized for aqueous and solvent-based coating systems.
Exceptional thermal stability up to 260 °C, maintaining integrity under demanding processing conditions.
Low coefficient of friction and outstanding non-stick performance in finished coatings.
Chemically inert across broad pH range and resistant to aggressive solvents, acids, and alkalis.
Consistent particle size distribution ensuring uniform film formation and enhanced surface finish.
Non-stick coatings for cookware and bakeware surfaces.
Industrial release coatings for molds, conveyor belts, and forming tools.
Corrosion-resistant protective coatings for metal substrates in chemical processing equipment.
Low-friction topcoats for automotive trim and functional plastic components.
Specialty coatings requiring FDA-compliant inertness for food-contact applications.
| Chemical Type | Polytetrafluoroethylene (PTFE) |
| Product Form | Fine white powder pigment |
| Appearance | Free-flowing, off-white to white powder |
| Primary Applications | Non-stick, release, and low-friction coatings |
| Key Features | High dispersibility, thermal stability, chemical inertness |
| Benefits | Improved coating uniformity, extended service life, reduced maintenance |
| Storage Conditions | Store in cool, dry place; protect from moisture and contamination |
| Regulatory Compliance | Meets FDA 21 CFR §177.1550 for food-contact applications |
Q1: What is the primary function of Polymist F284 in polymer formulations?
A: Polymist F284 is a micronized polytetrafluoroethylene (PTFE) pigment designed to act as an internal lubricant and surface modifier. It reduces coefficient of friction, improves melt flow, and imparts anti-blocking and release properties—particularly in thermoplastics such as polyolefins, engineering resins, and fluoropolymers.
Q2: How is Polymist F284 typically incorporated into polymer systems?
A: It is commonly added during compounding via twin-screw extrusion or dry-blended with base resin prior to melt processing. Due to its fine particle size and low bulk density, pre-dispersion or controlled feeding is recommended to ensure uniform distribution and avoid agglomeration.
Q3: Is Polymist F284 suitable for food-contact or medical-grade applications?
A: Polymist F284 is manufactured under Solvay’s quality management system and complies with general regulatory expectations for PTFE used in indirect food-contact polymers. However, final compliance depends on the complete formulation, processing conditions, and applicable regional regulations—end users must conduct their own verification and obtain appropriate regulatory clearance.
Q4: Does Polymist F284 affect the mechanical properties of the host polymer?
A: At typical use levels, it generally has minimal impact on tensile strength or impact resistance. Some reduction in elongation at break may occur at higher loadings, while stiffness and dimensional stability are often slightly improved due to enhanced crystallinity and reduced internal friction.
Q5: Can Polymist F284 be used in high-temperature processing environments?
A: Yes—being based on PTFE, it retains functionality up to approximately 260 °C continuously and withstands short-term exposure above 300 °C without significant decomposition, making it compatible with high-melt-temperature engineering thermoplastics and high-shear compounding processes.
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