Production Process of Cold-Applied Anticorrosion Tape
The manufacturing process of cold-applied anticorrosion tape generally involves three primary stages: base film extrusion, adhesive coating, and slitting & packaging. Each step is designed to ensure product uniformity, adhesion performance, and long-term durability.
1. Base Film Extrusion
Raw Material Preparation:
Polyethylene (PE) granules are used as the primary material for the base film. The raw material is carefully prepared to ensure purity and consistent quality.
Extrusion Forming:
The PE material is heated and melted in the extruder, then extruded through a die to produce a continuous film with a stable structure.
Cooling and Calibration:
The molten film is passed through cooling rollers, which solidify and shape it to achieve uniform thickness and smooth surface properties.
2. Adhesive Coating
Adhesive Preparation:
Butyl rubber-based adhesives are compounded to achieve the required viscosity, tackiness, and stability for optimal bonding performance.
Coating Application:
The prepared adhesive is evenly applied to one or both sides of the PE base film using precision coating equipment, forming a consistent and uniform adhesive layer.
3. Slitting and Packaging
Slitting Setup:
The coated film roll is loaded onto the slitting machine, and the cutting parameters are adjusted according to the desired tape width specifications.
Slitting Operation:
The wide adhesive-coated film is slit into narrow rolls of cold-applied tape, ensuring clean edges and accurate dimensions.
Winding and Final Packaging:
The finished tapes are wound into rolls, carefully inspected, packaged, and prepared for storage or shipment.
| Equipment Name | Quantity | |
| 1 | Vacuum automatic feeder | 1 |
| 2 | Hopper dryer | 1 |
| 3 | SJ-75X30 extruder | 1 |
| 4 | Hydraulic screen changer | 1 |
| 5 | Die head mold type 1000 | 1 |
| 6 | Multi-roller tape-casting machine | 1 |
| 7 | Winding machine | 1 |
| 8 | PLC computer control system | 1 |
| No. | Equipment Name | Quantity |
| 1 | Frame | 1 unit |
| 2 | 200N·M Magnetic powder brake + Silicone stick 1300mm with corona processor | 1 unit |
| 3 | 100N·M Magnetic powder brake | 1 unit |
| 4 | 100N·M magnetic powder clutch | 2 unit |
| 5 | 200N·M magnetic powder clutch | 1 unit |
| 6 | Screw | 1 unit |
| 7 | Force-feed device | 1 unit |
| 8 | Constant pressure system | 1 unit |
| 9 | Adhesive delivery pipe | 1 unit |
| 10 | Winding machine | 1 unit |
| 11 | Unwinding machine | 2 unit |
| 12 | Coating compound equipment | 1 unit |
| 13 | Main engine frequency converter | 1 unit |
| 14 | Extruder frequency converter | 1 unit |
| 15 | Thermal switch | 1 unit |
| 16 | PLC | 1 unit |
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