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Solid black PTFE conveyor belts
Optimize your heavy-duty thermal processing lines with our premium solid black PTFE conveyor belts. Engineered by deep-impregnating a tightly woven fiberglass matrix with high-purity black Teflon resin, this non-mesh industrial belting undergoes rigorous high-temperature sintering to create a completely poreless, fluid-impermeable barrier. The ultra-smooth, seamless surface prevents delicate substrates from receiving weave impressions while delivering a flawless, non-stick release for aggressive polymers, melted plastics, and viscous chemical formulations. Impervious to moisture penetration and built for continuous high-heat cycling, this resilient closed-weave belt minimizes material residue accumulation and dramatically slashes maintenance cleaning downtime.
- Introduction
Introduction
Technical & Performance Highlights:
Poreless Sintered Architecture: High-temperature sintering completely seals the fluoropolymer matrix, rendering the belt entirely impermeable to oils, grease, and volatile liquids.
Non-Marking Product Protection: The non-mesh, smooth surface eliminates fabric texture transfer, ensuring an immaculate, mark-free finish on laminated sheets, rubber profiles, and composites.
Elite Thermal & Structural Endurance: Maintains exceptional dimensional stability and low friction coefficients under intense heat without cracking, blistering, or edge curling.
Aggressive Adhesion Defense: The dense black Teflon surface layer prevents polymers, tacky adhesives, and synthetic resins from bonding, facilitating an effortless chemical-free release.
Specifications:
| thickness | max width | tensile strength | colour |
| 0.25mm | 2400mm | 1422N±50N/5CM | White/Brown/Black |
| 0.30mm | 2600mm | 1642N±50N/5CM | White/Brown/Black |
| 0.35mm | 2600mm | 1722N±50N/5CM | White/Brown/Black |
| 0.50mm | 2600mm | 1822N±50N/5CM | White/Brown/Black |
| 0.65mm | 2600mm | 2252N±50N/5CM | White/Brown/Black |
| 0.75mm | 2600mm | 2642N±50N/5CM | White/Brown/Black |
| 0.90mm | 2600mm | 3267N±50N/5CM | White/Brown/Black |
| 1.0mm | 2600mm | 3822N±50N/5CM | White/Brown/Black |
Key Advantages
- Completely leak-proof:Adhesives, resins, hot-melt adhesives and liquid materials will not leak through the belt, making it suitable for lamination, hot-pressing and coating processes.
- Thermal Insulation:With no mesh holes, hot air cannot penetrate, ensuring more uniform temperatures inside the oven. Designed specifically for heat press machines and photovoltaic laminators.
- Exceptional Surface Flatness:With no uneven mesh patterns, the surface of laminated products will not retain grid marks. The preferred choice for laminating sheets, films and silicone.
- Abrasion-Resistant and Jam-Resistant:A smooth, dense surface prevents small particles from becoming lodged in the mesh, making cleaning simple.
Common Applications:
Solar PV laminators (seamless solid fabric belts are the industry standard)
Garment bonding machines and heat transfer printers
Silicone/rubber hot-press moulding
Hot-pressing and laminating equipment for lithium-ion battery electrodes
Packaging sealing machines and hot-melt adhesive laminators
Key Performance Parameters
- Temperature resistance: Long-term -70°C to 260°C; short-term peak 360°C; no deformation or cracking at high or low temperatures
- Non-stick Properties: PTFE has an ultra-low coefficient of friction (0.04–0.15); completely non-stick to dough, resins, adhesives and hot-melt glues; can be cleaned with plain water
- Chemical Inertness: Resistant to strong acids, strong alkalis, organic solvents and grease corrosion; suitable for both chemical and food applications
- Dimensional Stability: Glass fibre backing provides high tensile strength; elongation <0.5%; no stretching or tracking at high temperatures
- Safety and Compliance: Odourless and non-toxic; complies with FDA food contact standards; suitable for baking and pharmaceutical applications
- Additional Options: Anti-static coating, red-edged/Kevlar fabric reinforcement for tear resistance, guide strips to prevent tracking, seamless loop joints, etc.
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PTFE Tracking Cord and Kevlar fabric Edge Reinforcement |
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buttons to prevent slippage |
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Castellated Joints |
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Kevlar Edge Reinforcement+Kevlar Guide |
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bullnose-joints+PTFE-Guide |
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Kevlar-Edge-Reinforcement+Button-Guide |
FAQ:
Q1: What is the primary advantage of a non-mesh black PTFE belt over an open mesh belt?
A: While open mesh belts excel in hot air circulation, non-mesh (solid) black PTFE belts provide a completely closed, poreless surface. This prevents liquids, chemical residues, or oils from seeping into the inner core fabric and ensures a perfectly smooth, non-marking finish on materials where a grid-like textile impression is unacceptable.
Q2: How does high-temperature sintering benefit the conveyor belt's performance?
A: The high-temperature sintering process permanently fuses the liquid black Teflon resin into the high-tensile fiberglass substrate. This eliminates micro-pores, creates a seamless finish, and guarantees that the non-stick coating will not peel, flake, or degrade under continuous mechanical flexing and intense thermal loads.
