Chemical Grade PTFE Coated Steel Belts for Powder Coating & FlakingChemical Grade PTFE Coated Steel Belts for Powder Coating & Flaking
Product Summary: Engineered for harsh chemical environments, our PTFE coated steel belts combine high-temperature resistance (-60°C to +250°C) with excellent corrosion and non-stick performance. Ideal for melt extrusion cooling, powder coating flaking, and resin laminating lines, with total lifecycle cost 40% lower than imported alternatives.
Key Selling Points
- Exceptional High & Low Temp Resistance: Operates from -60°C to +250°C, maintaining mechanical integrity in melt extrusion (180-220°C) and cooling zones.
- Corrosion & Chemical Resistance: PTFE coating resists acids, alkalis, oils, and solvents, solving deformation/cracking issues common in ordinary steel strips.
- Superior Flatness: ≤0.02mm/m ensures uniform layer thickness in flaking and cooling applications, boosting yield to 99.7%.
- Low Lifecycle Cost: 40% lower total cost than imported belts and 25% lower than domestic standard belts, with extended maintenance intervals.
Technical Specifications
| Parameter | Value |
|---|
| Material | Carbon Steel or Stainless Steel (custom) |
| Coating | PTFE (anti-corrosion grade) |
| Width Range | 800 - 1600 mm |
| Thickness | 1.2 - 2.0 mm |
| Temperature Range | -60°C to +250°C |
| Flatness | ≤ 0.02 mm/m |
| Weld Strength | Fatigue life ≥2 million cycles |
Models and Options
Standard models for widths 800-1600mm; custom widths available. Options include endless or open-ended configurations, edge rounding, and surface roughness adjustments (Ra ≤ 0.8 μm).
Materials and Structure
Substrate: high-strength carbon steel or stainless steel (SS304/316L) with a corrosion-resistant PTFE coating. Stabilization treatment and weld leveling minimize internal stress, ensuring dimensional stability under thermal cycling.
Applications
- Powder Coating Production Lines: Melt extrusion → cooling flaking → conveying, where non-stick and corrosion resistance are critical.
- Resin Laminating: High-temperature lamination of composite materials.
- Hot Melt Adhesive Cooling: Rapid cooling of molten adhesives to form uniform flakes.
- Plastic Granulation: Cooling and transport of polymer pellets.
Customization
We customize width (800-1600mm or larger), thickness (1.2-2.0mm), coating thickness, and surface finish. Non-standard requirements for acidic or alkaline environments can be addressed with specialized PTFE formulations.
Case Study
International Powder Coating Giant (Chemical/New Materials): Accumulated 40+ strips, width 800-1600mm, thickness 1.2-2.0mm, used in melt extrusion and flaking lines at 180-220°C. Result: high temperature resistance solved deformation/cracking; flatness ≤0.02mm/m improved yield to 99.7%; total lifecycle cost 40% lower than imported belts. (Source: Client case, China/DE)
FAQ
Q1: Can the belt handle continuous exposure to acidic chemicals?
Yes. The PTFE coating is chemically inert and resists most acids, alkalis, and solvents. For extremely aggressive environments, we recommend a thicker coating or stainless steel substrate.
Q2: What is the maximum operating temperature under load?
The belt can operate continuously at 250°C. For intermittent peaks, brief exposure up to 300°C is acceptable, but prolonged use should stay within the -60°C to +250°C range.
Q3: How does the belt perform in high-tension applications?
Our belts are designed with a strong substrate and low internal stress to maintain flatness under tension. The weld joints are fatigue-tested to ≥2 million cycles.
Q4: Do you offer calibration services for flatness?
Yes. Our production process includes stabilization and leveling to ensure flatness ≤0.02mm/m. Additional calibration can be arranged for critical applications.
Q5: What is the typical delivery time for chemical-grade belts?
Standard delivery is 2-4 weeks. Customized belts may require 4-6 weeks depending on specifications.
Q6: Can the coating be repaired if damaged?
Minor coating damage can be repaired on-site using a PTFE repair kit. For significant damage, we recommend belt replacement to maintain performance.
Inquiry Information
For pricing and technical consultation:
Email: sales@bpstek.com / ken.feng@bpstek.com
Phone/WhatsApp: +86 139 1666 1495
Address: No.172 Xuanchun Road, Xuanqiao Town, Pudong New District, Shanghai, China
Image Filename and Alt Suggestions
Filename 1: ptfe-steel-belt-chemical-flaker.png
Alt: PTFE coated steel belt used in chemical powder coating flaking line
Filename 2: ptfe-steel-belt-close-up-chemical.png
Alt: Close-up of corrosion-resistant PTFE coating on steel belt for chemical industry
