Cleanroom PTFE Coated Steel Belts for Lithium Battery & Diaphragm LinesCleanroom PTFE Coated Steel Belts for Lithium Battery & Diaphragm Lines
Product Summary: Specially designed for high-cleanliness, high-temperature battery production environments. Our PTFE coated steel belts are oil-free and dust-free, meeting Class 1000 cleanroom standards. With high thermal conductivity (15-20 W/m·K), they accelerate drying efficiency by 25% and reduce energy consumption by 18%, while stable dimensions prevent electrode deformation and boost yield by 2-3%.
Key Selling Points
- Oil-Free & Dust-Free Surface: PTFE coating eliminates particulate generation and is easy to clean, meeting ISO Class 1000 cleanroom requirements for battery lines.
- High Thermal Conductivity: 15-20 W/m·K ensures rapid heat transfer, improving drying/curing efficiency by 25% and reducing energy costs by 18%.
- Dimensional Stability: Low elongation (<0.2%) prevents pole piece deformation, increasing production yield by 2-3%.
- Temperature & Corrosion Resistance: Withstands 160-200°C in dust-free environments, resistant to electrolyte and solvent corrosion.
Technical Specifications
| Parameter | Value |
|---|
| Material | Stainless Steel (304/316L) |
| Coating | PTFE (cleanroom grade, oil-free) |
| Width Range | 1000 - 1500 mm |
| Thickness | 0.8 - 1.5 mm |
| Temperature Range | Up to 200°C (continuous) |
| Thermal Conductivity | 15-20 W/m·K |
| Cleanliness Class | ISO Class 1000 (dust-free) |
Models and Options
Available in widths 1000-1500mm and thicknesses 0.8-1.5mm. Custom dimensions for specific dryer or cooler configurations. Options include polished surface for enhanced cleanability.
Materials and Structure
Substrate: 304 or 316L stainless steel with a specialized ultra-smooth PTFE coating applied in a controlled environment to prevent contamination. The belt is processed with deburred edges and seamless welding for cleanroom compatibility.
Applications
- Lithium Battery Pole Drying/Curing Lines: Conveying electrode sheets through ovens at 160-200°C.
- Diaphragm Cooling and Conveying: High-cleanliness cooling of separator films.
- New Material Processing: Handling of high-purity chemicals in semiconductor or pharmaceutical cleanrooms.
Customization
We tailor belts for specific cleanroom requirements, including width, thickness, surface finish, and edge treatment. Non-standard applications (e.g., vacuum environments) can be discussed.
Case Study
New Energy Material Enterprise (Lithium Battery/Diaphragm): Supplied 10+ strips, width 1000-1500mm, thickness 0.8-1.5mm for pole drying and diaphragm cooling lines at 160-200°C in a dust-free environment. Result: oil-free and dust-free operation meets ISO Class 1000; high thermal conductivity increased drying efficiency by 25% and reduced energy consumption by 18%; stable dimensions prevented deformation, increasing yield by 2-3%. (Source: Client case, China)
FAQ
Q1: Is the belt compatible with lithium battery electrolyte solvents?
Yes. The PTFE coating is chemically resistant to common battery electrolytes and solvents, preventing corrosion and contamination.
Q2: How do you ensure the belt is truly dust-free?
Our belts are manufactured in a clean environment and undergo ultrasonic cleaning and packaging. The coating is oil-free and non-shedding, with all edges deburred to minimize particle generation.
Q3: What is the maximum belt speed in a drying oven?
Speed capability depends on line design. Our belts can operate at speeds up to 30 m/min, but for specific applications we recommend consulting our engineers for tension and tracking optimization.
Q4: Can the belt be used in a vacuum chamber?
Our standard belts are designed for atmospheric pressure. For vacuum applications, we can customize the belt structure and joints to reduce outgassing.
Q5: What is the typical delivery time for lithium battery lines?
Lead time is typically 3-4 weeks for standard sizes. Custom orders may require 5-6 weeks.
Q6: Do you provide on-site installation and training?
Yes. Our service team can assist with installation, tensioning, and tracking adjustments. Remote support is also available.
Inquiry Information
Contact us for detailed specifications and pricing:
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-cleanroom-lithium.png
Alt: PTFE coated steel belt used in lithium battery cleanroom production line
Filename 2: ptfe-steel-belt-drying-oven.png
Alt: Belt inside drying oven for electrode curing
