Corona Treatment
Single-Side Corona Treater
High-frequency, high-voltage discharge modifies plastic film and paper surfaces to raise surface tension, improving adhesion of inks, adhesives and coatings. Ideal for in-line pretreatment before printing, lamination and coating.
Technical Specifications
| Treatment Width | 300 – 2500 mm |
|---|---|
| Line Speed | 10 – 300 m/min |
| Output Power | 1 – 20 kW |
| Discharge Frequency | 20 – 40 kHz |
| Electrode Gap | 1.5 – 3 mm |
| Power Supply | 380V / 50Hz 3-phase |
| Cooling | Air / water cooled optional |
Applications
- Pretreatment before printing on BOPP, PET, PE, PVC films
- Coating pretreatment for paper and aluminum foil
- Adhesion enhancement for laminated films
⚡ New Energy · Battery Material Applications
| Materials | Battery separator PE/PP / battery aluminum foil / copper foil |
|---|---|
| Recommended Width | 300 – 1300 mm |
| Recommended Speed | 10 – 150 m/min |
| Dyne Target | ≥ 38 after treatment (typically 40–42 in the field) |
| Tension Control | Low-tension design, no stretching or deformation of ultra-thin film/foil |
- Single-side corona activation of battery separators before ceramic coating
- Surface cleaning and activation of battery aluminum foil and copper foil
- Special discharge roller and low-tension structure for ultra-thin substrates
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