Plastic Inkjet Coding

Precision Inkjet Marking System for Plastic | Custom Adhesion Solution for PP & PET Materials

Developed with molecular-level adhesion technology to fit complicated surfaces including plastic films, shrink packaging and injection-molded preforms:

 

  • Customized Material-matched Inks: Quick-dry non-porous ink exclusively for PP, migration-resistant ink for PET, and food-grade water-based ink options.
  • Dynamic Curved-surface Printing: Automatically synchronizes with rotary bottle filler speed to deliver high-DPI crisp marking on curved surfaces.
  • Stable Performance Under Extreme Working Conditions: Printed marks remain intact from -20°C cold storage up to 80°C hot filling environments. Widely adopted for beverage caps, daily chemical packaging and medical tubing, eliminating common drawbacks of traditional coding such as easy abrasion and print deformation under high temperature.

Solutions:

Our industrial inkjet coding system is engineered as a tailored marking solution for diversified plastic manufacturing workflows. The coding equipment can be seamlessly mounted onto injection molding lines, blow molding machines and automated plastic packaging conveyor systems, supporting both high-speed inline continuous production marking and offline static batch coding. It resolves common industry troubles including poor ink adhesion on smooth non-absorbent plastic surfaces, blurred codes and frequent nozzle clogging caused by volatile plastic additives, covering mass standardized production and small-batch personalized customization simultaneously.

Application Markets:

The coding device is widely deployed across full-range plastic product production and packaging links. Typical applications include plastic raw material pellets, injection-molded daily plastic parts, PET/HDPE plastic bottles, plastic caps, flexible plastic film packaging, hard plastic containers, electronic plastic housings and industrial plastic fittings. It serves food & beverage plastic packaging, cosmetic container manufacturing, chemical plastic packaging, auto plastic accessory production and plastic commodity processing industries.

Printable Substrates:

The inkjet system is compatible with most mainstream plastic substrates, covering smooth non-porous PET, PE, PP, PVC, ABS, PS, nylon and coated plastic materials, as well as matte frosted plastic and recycled modified plastic. Formulated ink and printing parameters are optimized for compact, non-absorbent plastic surface features to avoid ink shrinkage, beading and falling off, realizing stable printing results without extra surface polishing or pre-treatment.

Printing Content:

It supports flexible output of fixed and variable marking information on plastic surfaces, such as production batch codes, manufacturing dates, expiry dates, model specifications, factory lot numbers and supplier codes. Besides regular text and numeric information, the equipment is capable of printing 1D barcodes, QR codes, anti-counterfeiting encrypted codes, brand logos and customized graphic marks. All printing data can be real-time edited and imported from external databases for variable-data batch coding.

Ink Features:

Formulated special plastic-adhesive ink is featured with outstanding bonding performance on dense plastic surfaces without shrinkage or droplet agglomeration. The ink achieves instant surface drying to prevent smudge damage during subsequent stacking and packaging. It delivers excellent abrasion resistance; printed marks stay intact against long-distance transportation friction and daily scratch. Most options adopt low-VOC eco-friendly formulas complying with international packaging safety standards, with stable fluidity to reduce nozzle blockage and lower long-term maintenance costs. Multiple ink colors including black, white and pigmented options are available to match dark or transparent plastic substrates.

Importance of Component Marking:

Clear permanent coding on plastic products enables accurate specification classification during factory stock management and incoming inspection, avoiding mixed storage of different batches. Complete product information and traceable codes realize full lifecycle tracking from raw material processing to terminal sales, supporting efficient quality control and after-sale recall management. Standardized barcode marking improves identification efficiency of automatic warehousing and sorting equipment to cut logistics cost. Reliable anti-counterfeit codes effectively curb counterfeit plastic products to protect proprietary brand interests, while neat regular printing upgrades overall product grade and builds buyers’ trust for continuous market expansion.

Applications

Fields of Application

  • Coding on plastic pipes
  • Marking on thin rigid plastic films
  • Inkjet printing for shrink-wrap packaging
  • Coding on plastic flip-top caps
  • Marking for plastic pouch bags
  • Coding for construction plastic products
  • General product identification marking
  • Multi-color dot & line marking for product type classification
  • Position positioning & location marking application
  • Printing of product info, batch codes, ID numbers, 1D & 2D barcodes
  • Brand promotion graphic printing