CrownFlex Flexographic Printing Plates

( Solvent-Wash Flexo Plates )

 

Crownflex is reliable brand of Crownflex Technology Universal Holdings Ltd. , Hong Kong.as high quality flexographic printing plate. 

 

The plate is flexible, high resilient, dimensonally stable and uniform in thickness. It is available in various polymer types for broad range of applications in solvent-wash plates for packaging printing industry. 

 

Seri Resin Fotosensitif Cair CrownFlex

 

Resin fotosensitif cair CF36R dan 36R dikembangkan untuk industri pencetakan kotak bergelombang (pencetakan flexographic); elastisitasnya yang sangat baik, permukaan pencetakan confetti anti lengket, rentang produksi gambar (titik dan garis padat dan halus), cocok untuk pencetakan berkualitas tinggi.

 

Resin fotosensitif cair CF36R dan 36R didasarkan pada operasi pembuatan pelat standar. Warna pelat resin jadi transparan dan lembut, yang memfasilitasi proses penyusunan huruf dan meningkatkan efisiensi.

 

Resin fotosensitif cair CF36R dan 36R bersifat hidrofilik, memiliki kompatibilitas yang sangat baik dengan tinta berbasis air, dan memiliki transfer tinta yang baik; permukaan pencetakan kering dapat dibersihkan lebih cepat, meningkatkan efisiensi kerja, dan meningkatkan produktivitas.

 

In flexo platemaking, Photopolymer printing forms (different from direct engraved printing forms) are generated through UV light exposure. The UV light is starting a chemical reaction which leads to cross-linking of plate components. The polymerization process is only happening in areas which were exposed to UV light. This way, a latent image is created which is transformed into a relief during the processing step. Depending on the processing technology, a drying step is required, before plate finishing finalizes the platemaking. The whole process can be separated into following parts:

1st STEP : BACK EXPOSURE : 

 

Expose the plate through the back to build the floor and maximize sensitivity. Back exposure time varies depending on relief depth required. 

2nd Step : Laser ablation/ imaging : 

 

Remove the cover film. Mount the plate on the cylinder drum of laser ablation unit. Image is ablated on the plate by CTP prepress process. 

3rd Step : Main exposure

 

( without film negatives) 

Expose the plate to form the image. 

4th Step : Washout

 

Mount the exposed plate by double side tape onto the plate holder and wash it out with proper solutions. 

5th Step : Drying 

 

Afer rinising the plate surface, dry it well in a hot air dryer at 60 c

6th Step : Post exposure 

 

Expose the plate again to harden remaining polymer with complete photo curing. 

7th Step : Finishing 

 

Expose the plate in a light finisher with UVC to eliminate surface tack and improve ink coverage.