Product Brief
HD903 PTFE Dispersion Emulsion for Nonstick Coating: Food-Safe, High-Temp Resistant & Easy to Apply. Ideal for Kitchen Appliances, Industrial Molds & Cookware. Reliable Performance & Cost-Effective.
Product Overview
PTFE dispersion emulsion for nonstick coating (model HD903) is a high-purity aqueous formulation composed of ultrafine polytetrafluoroethylene (PTFE) particles, tailored to form smooth, durable nonstick films on various substrates. As a key derivative of perfluoropolymers, this emulsion leverages PTFE's unique molecular structure-symmetrical fluorine atoms bonded covalently to carbon-to deliver exceptional nonadhesion, chemical inertness, and thermal stability. Unlike rigid perfluoropolymer products such as PVDF sheets or FEP tubing, this liquid emulsion enables flexible application across diverse surfaces, bridging the gap between industrial manufacturing needs and household nonstick requirements.
Product Details
Our HD903 PTFE dispersion emulsion stands out as a benchmark nonstick coating solution, engineered to meet the rigorous demands of both industrial production and household applications. Crafted with precision, this aqueous emulsion features a 60% solid content, 4-7 wt% surfactant concentration, and a pH range of 9-10.5, with ultrafine PTFE particles (average size 0.15μm-0.35μm) that ensure uniform film formation and strong adhesion. These technical parameters are meticulously optimized: the fine particle size guarantees a smooth, pinhole-free coating even on complex-shaped substrates, while the balanced surfactant system maintains emulsion stability during storage and application without compromising the final coating's integrity.
The core advantage of this PTFE dispersion emulsion lies in its exceptional nonstick performance, rooted in PTFE's molecular structure. The symmetrical arrangement of fluorine atoms in PTFE molecules creates a neutral molecular structure with no free electrons, resulting in an extremely low surface tension-so low that almost all substances (from food residues to industrial adhesives) cannot bond to the cured coating. This makes it the ideal choice for nonstick cookware (frying pans, baking molds), industrial processing molds (plastic injection molds, candy molds), and food conveyor belts. For household users, this translates to effortless food release and easy cleaning; for industrial manufacturers, it means reduced production downtime, minimized product waste, and lower cleaning costs.
Superior thermal and chemical resistance further elevates its value. The cured nonstick coating can withstand short-term high temperatures up to 300℃ and continuous operation between 240℃-260℃, outperforming conventional nonstick coatings like silicone or epoxy. This thermal stability is attributed to the high bond energy of the C-F bond in PTFE, which resists thermal degradation even under prolonged heat exposure. Chemically, the emulsion's cured film is inert to nearly all strong acids (including aqua regia), strong oxidants, reductants, and organic solvents-excluding only molten alkali metals, fluorinated media, and sodium hydroxide above 300℃. This makes it suitable for industrial applications involving corrosive materials, such as chemical processing equipment components, as well as food-contact surfaces where safety and resistance to acidic/alkaline foods are critical.
Another standout feature is its excellent electrical insulation properties, a result of PTFE's neutral molecular structure. The emulsion's cured coating boasts a volume resistivity exceeding 10¹⁷ Ω·cm, low dielectric loss, and high breakdown voltage, enabling long-term operation in electrical environments up to 250℃. This expands its application scope beyond nonstick needs to include electrical components such as high-temperature wire insulation and circuit board coatings. Additionally, the emulsion is easy to apply via spraying, dipping, or brushing, compatible with substrates including aluminum, stainless steel, ceramics, and glass-further enhancing its versatility. When paired with other perfluoropolymer solutions (e.g., using FEP tubing for coating application equipment), it forms a comprehensive nonstick system for industrial production lines.
Reliability and safety are at the forefront of our product design. The HD903 PTFE dispersion emulsion is non-toxic, non-flammable, non-explosive, and non-corrosive, classified as a non-dangerous good for transportation. It complies with global food contact safety standards (FDA 21 CFR 177.1550 and EU 10/2011), making it safe for use in cookware and food processing equipment. Rigorous quality control ensures consistency across every batch: each shipment is tested for particle size distribution, solid content, pH value, and coating adhesion, with detailed test reports available upon request. Real-world validation includes a leading cookware manufacturer reporting a 40% increase in product lifespan after switching to our PTFE emulsion, and an industrial mold maker reducing cleaning time by 65% due to the superior nonstick performance.
Technical Data Sheet (HD903 PTFE Dispersion Emulsion)
|
Property |
Value |
Test Method |
|
Appearance |
Milky or yellowish uniform liquid (no sediment or impurities) |
Visual Inspection |
|
Viscosity |
10×10⁻³ - 30×10⁻³ Pa·S |
Rotational Viscometer (25℃) |
|
Solid Content |
60% ± 2% |
ASTM D1644 |
|
Surfactant Concentration |
4 - 7 wt% |
Titration Method |
|
pH Value |
9 - 10.5 |
pH Meter Measurement (25℃) |
|
Maximum Continuous Operating Temperature (Cured Coating) |
240 - 260℃ |
Thermal Aging Test |
|
Volume Resistivity (Cured Coating) |
≥10¹⁷ Ω·cm |
ASTM D257 |
|
Food Contact Compliance |
FDA 21 CFR 177.1550, EU 10/2011 |
Regulatory Testing |
|
Transport Classification |
Non-dangerous Goods |
UN Transport Standards |
FABE Analysis
Feature (F): HD903 model, 60% solid content, aqueous PTFE dispersion emulsion, 4-7wt% surfactant, pH 9-10.5, food-safe (FDA/EU compliant), max continuous temp 240-260℃.
Advantage (A): Easy to apply (spray/dip/brush), uniform pinhole-free film formation, strong substrate adhesion, exceptional nonstick property, superior chemical/thermal resistance, excellent electrical insulation.
Benefit (B): Reduces cleaning time & maintenance costs, ensures food safety for household use, minimizes industrial product waste, extends equipment/mold lifespan, adapts to diverse application scenarios, safe for transportation & storage.
Evidence (E): Passes ASTM D1644 (solid content) & ASTM D257 (resistivity) tests; case study: 40% longer cookware lifespan for manufacturers, 65% reduced cleaning time for industrial molds; FDA/EU food contact certified.
Characteristics Platform
Quality Control
Packagings
25kg/woven bag, 800kg/pallet
Workshop Gallery
Customer Cases
FAQ (Frequently Asked Questions)
Q1: What substrates are compatible with this PTFE dispersion emulsion?
A1: It adheres well to aluminum, stainless steel, ceramics, glass, and certain heat-resistant plastics. For optimal adhesion on metal substrates, we recommend light sandblasting or priming before application.
Q2: What is the recommended application and curing process?
A2: Suitable for spraying, dipping, or brushing. After application, dry at 120℃ to remove moisture, then cure at 380-400℃ for 15-30 minutes (adjust based on substrate thickness). Avoid processing temperatures exceeding 420℃ to prevent toxic gas release.
Q3: How should the emulsion be stored to maintain its performance?
A3: Store in a clean, cool, and dry environment at 10-30℃, avoiding direct sunlight, moisture, and dust contamination. Stir the emulsion 2-3 times a month to prevent sedimentation. Shelf life is 6 months from the production date; do not use if frozen (freezing below 0℃ causes irreversible condensation).
Q4: Is this emulsion suitable for high-volume industrial cookware production?
A4: Yes. It is designed for both small-scale and large-scale production, with consistent viscosity and particle size ensuring uniform coating across mass-produced cookware. We provide technical support for production line optimization to improve efficiency.
Q5: Can the cured nonstick coating be repaired if damaged?
A5: Minor scratches can be touched up by lightly sanding the damaged area, cleaning thoroughly, and reapplying a thin layer of the emulsion followed by curing. For severe damage, full re-coating is recommended to restore optimal nonstick performance.
CTA (Call to Action)
Ready to upgrade your nonstick coating solutions with HD903 PTFE dispersion emulsion? Contact our perfluoropolymer experts today for a free sample, detailed application guidelines, or customized quote. Whether you need solutions for household cookware, industrial molds, or food processing equipment, we tailor our support to your production needs. Email us at [your email address] or call [your phone number] now-our team responds within 24 hours to help you enhance product performance and reduce costs!
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