描述
857G-40191 Black is a waterborne 857G-40191 Black PTFE Primer from Chemours‘ Teflon industrial coatings portfolio, genuinely manufactured by Chemours and imported as original product. As an authorized distributor and trader, we supply genuine material with full traceability and direct access to official Chemours technical documentation. For more product options and company information, please visit our website at https://szrqchem.com/.
This 857G-40191 Black PTFE Primer is a high-wear-resistant primer specifically engineered for the most demanding food contact applications. It is specially formulated to handle high-frequency friction scenarios, providing exceptional durability and extended service life in applications where components are subject to continuous mechanical contact. The primer is part of the Chemours Teflon Industrial Coatings Specialty System, a series of high-performance coating systems that are special blends of fluoropolymers such as PTFE.
The 857G-40191 Black PTFE Primer is designed as the foundational layer for three-coat food contact systems, providing essential adhesion, corrosion protection, and enhanced wear resistance. Its high-wear-resistant formulation makes it particularly suitable for demanding applications where standard primers may not provide sufficient durability. The waterborne formulation offers low VOC emissions, making it an environmentally responsible choice for modern industrial facilities.
With regular stock availability, we support both trial orders and large-volume bulk shipments for food processing equipment, industrial bakeware, and other demanding applications requiring FDA-compliant nonstick coatings with exceptional wear resistance.
Key Features of 857G-40191 Black PTFE Primer
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High-Wear-Resistant Formulation – Specially formulated for high-frequency friction scenarios, providing exceptional durability and extended service life.
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FDA Food Contact Compliant – Approved for food contact applications, suitable for food processing equipment and bakeware.
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Superior Adhesion – Acts as a robust “bridge” between the substrate and the coating system, preventing delamination.
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Black Color – Provides consistent industrial appearance.
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Waterborne Formulation – Low VOC emissions, environmentally friendly processing, and safer handling for operators.
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Three-Coat System Compatibility – Designed for use with compatible midcoat (857G-40291) and topcoat (857G-40301) systems in three-coat food contact configurations.
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Excellent Chemical Resistance – Resists most acids, bases, and solvents encountered in food processing environments.
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Enhanced Durability – Provides superior abrasion resistance for demanding applications.
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Specialty System – Part of the Chemours Teflon Industrial Coatings Specialty System.
Typical Applications for 857G-40191 Black
| Industry | Typical Components & Considerations |
|---|---|
| Food Processing Equipment | High-wear food contact equipment, processing machinery, conveyor components – FDA compliant applications with high-frequency friction |
| Industrial Bakeware | Bread pans, sheet pans, baking molds – requires durable, food-grade nonstick coating system with exceptional wear resistance |
| High-Friction Applications | Components subject to continuous mechanical contact and wear |
| General Industrial | Demanding applications requiring PTFE nonstick properties with enhanced wear resistance |
Material Advantages
The 857G-40191 Black PTFE Primer is a high-wear-resistant PTFE primer that delivers:
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Exceptional Wear Resistance – Specially formulated for high-frequency friction scenarios, providing superior durability compared to standard primers.
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Food Safety – FDA compliant for food contact, enabling use in food processing and bakeware applications.
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Enhanced Adhesion – Provides strong bonding between the substrate and the coating system, preventing delamination.
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Environmental Compliance – Waterborne carrier reduces VOC emissions compared to solvent-based alternatives.
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Thermal Stability – Maintains performance at continuous service temperatures up to 260°C (500°F).
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Specialty System Performance – Part of the Chemours Teflon Industrial Coatings Specialty System, a special blend of fluoropolymers optimized for performance.
Chemours, as the inventor of Teflon, brings over 80 years of fluoro-polymer expertise, ensuring batch-to-batch consistency, reliable supply, and full technical support.
Typical Properties
| Property | 857G-40191 Black | Unit / Remarks |
|---|---|---|
| Product Type | PTFE High-Wear-Resistant Primer | – |
| Color | Black | Consistent industrial finish |
| Carrier | Waterborne (aqueous dispersion) | Low VOC |
| Coating System | High-Wear-Resistant Primer (base layer) | Three-coat food contact systems |
| FDA Compliance | Yes – Food Contact | |
| Key Feature | High-wear-resistant formulation | High-frequency friction applications |
| Application Method | Spray | Conventional or HVLP |
| Available Form | Liquid waterborne | Ready to spray |
| Packaging | 4 kg, 5 kg, 10 kg, 20 kg pails | – |
| Shelf Life | 18 months | Unopened, proper storage |
Important Notes on Typical Data:
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Values listed are typical and sourced from Chemours official data sheets. They do not constitute binding product specification.
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Batch-to-batch deviations may exist. For critical applications, validate performance with batch-specific COA certificate.
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Final performance depends on substrate preparation, application method, and curing conditions.
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Chemours original TDS shall serve as definitive technical reference. Request the latest official TDS from our sales team.
Processing Guidelines
| Step | Process |
|---|---|
| Substrate | Rolled and cast aluminum, stainless steel |
| Surface Preparation | Degrease then abrasive blasting to achieve proper surface profile |
| Primer Application | Apply 857G-40191 Black primer via conventional or HVLP spray |
| Primer Cure | Follow Chemours recommended cure schedule for primer |
| Midcoat Application | Apply 857G-40291 Black midcoat over cured primer |
| Topcoat Application | Apply 857G-40301 Clear topcoat over midcoat |
| Curing | Total system: Follow Chemours recommended cure schedule |
Critical Processing Warnings:
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Surface Preparation: Proper cleaning and roughening are critical for adhesion.
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Primer as Foundation: The primer serves as the critical foundation for the entire coating system.
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System Integrity: 857G-40191 must be used with compatible midcoat (857G-40291) and topcoat (857G-40301) systems.
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Curing: Cure time depends on part mass and oven characteristics.
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Storage: Store in original, sealed containers in a cool, dry place away from direct sunlight.
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Shelf Life: 18 months in unopened, clean, dry storage.
Related Products
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Explore Teflon PTFE Coatings – Browse all Teflon industrial coating options
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850G-300 Clear – Teflon PTFE Acid Primer – Acid primer for PTFE, PFA, and FEP topcoat systems
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About Our Company – Learn more about our supply capabilities and quality assurance
External Reference
For authoritative information, please refer to the following official resources:
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Chemours Official Website – Corporate headquarters and product portfolio overview
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Teflon Industrial Coatings Product Center – Official technical literature and application guides
Technical Documents
| Document Type | Description & Source |
|---|---|
| Chemours Official TDS | Complete physical, thermal, and mechanical properties of 857G-40191 Black, issued by Chemours original |
| Chemours Official SDS | GHS-compliant chemical safety documentation, original Chemours document |
| Chemours Distributor Authorization Certificate | Proof of our authorized-distributor qualification for Chemours Teflon series, available upon request |
| FDA Compliance Declaration | FDA food contact compliance statement |
| COA (Certificate of Analysis) | Batch-specific quality certification |
| Application & Usage Guide | Detailed application guidance for high-wear-resistant primer systems |
Request any document above by:
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Email:
ruiqingchem@gmail.com -
Online form: Our contact page
We reply within one working business day. Please clearly state product (857G-40191 Black) and document type you require.
FAQ
Q1: What is 857G-40191 Black and what is it used for?
A: 857G-40191 Black is a waterborne PTFE high-wear-resistant primer from the Teflon industrial coatings portfolio. It is specially formulated for high-frequency friction scenarios, providing exceptional durability and extended service life in demanding food contact applications.
Q2: Is 857G-40191 Black FDA compliant?
A: Yes. 857G-40191 is FDA compliant for food contact applications.
Q3: What makes 857G-40191 different from other primers?
A: 857G-40191 features a high-wear-resistant formulation specifically designed for high-frequency friction scenarios, providing superior durability compared to standard primers.
Q4: What is the Specialty System?
A: The Chemours Teflon Industrial Coatings Specialty System is a series of high-performance coating systems that are special blends of fluoropolymers such as PTFE.
Q5: What midcoat and topcoat are compatible with 857G-40191?
A: 857G-40191 is designed for use with 857G-40291 Black midcoat and 857G-40301 Clear topcoat in three-coat food contact systems.
Q6: What is the lead time for orders?
A: Regular orders ship within 7-10 working days after payment confirmation. Large-volume or urgent orders can be negotiated.
CTA (Call to Action)
Ready to order 857G-40191 Black?
To get a precise quotation and professional technical support, please share:
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Required quantity (kg)
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Destination port or delivery address
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Target application (food processing, bakeware, high-friction applications, etc.)
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Document requirement (TDS, SDS, FDA compliance, COA, etc.)
Sample Policy:
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Samples are for laboratory validation tests only, not for production use.
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Buyer bears international sample-shipping freight.
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If bulk-product performance deviates from sample reference, Chemours official TDS serves as the authoritative benchmark.
Take action now:
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📧 Email Us –
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📝 Send Inquiry – Use our quick inquiry form
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💬 Live Chat – Click the bottom-right chat widget to speak directly with our team
After-Sales Support
| Service | Details |
|---|---|
| Quality Inspection Period | All quality-related claims must be submitted within 7 working-days after delivery, supported by test data and photographic evidence. |
| Return / Exchange Policy | Confirmed product defects caused by our side trigger replacement or refund. Terms and conditions apply. |
| Logistics Damage | Report shipping damage directly to carrier immediately upon goods receipt. We assist with claim-document preparation. |
| Technical Support | Remote technical guidance available. On-site troubleshooting can be arranged upon special request. |
| Export Documentation | We supply commercial invoice, packing list, bill of lading, COA, and additional compliance certificates (e.g., FDA) on request. |
Disclaimer
DISCLAIMER: All technical data is referenced from original Chemours typical values for 857G-40191 Black. Our company acts as authorized distributor/trader rather than original manufacturer. Final performance depends on substrate preparation, application method, and curing conditions. Buyers shall independently validate product suitability for individual applications. Our firm bears no liability for coating failure caused by improper application or improper usage. Always reference the latest Chemours official TDS of 857G-40191 Black as the definitive specification.




