Flexographic Printed Packaging Film
Description
Technical Parameters
Flexographic Printed Packaging Film is a customizable flexible rollstock engineered for high-speed automated packaging machinery. Utilizing precision photopolymer plates and Central Impression press systems, this material delivers sharp, continuous graphic reproduction across polyethylene, polypropylene, polyester, and multi-layer barrier structures. It is specifically formulated for Form-Fill-Seal equipment, providing low tooling overhead, reliable web tracking, and consistent seal integrity in high-volume production operations.
Key Features
Optimized Plate Tooling Economics: Flexible photopolymer plate setups reduce upfront cylinder engraving costs, delivering high efficiency on medium-to-large production runs.
Accurate Color Registration: Central Impression press drums hold multi-color printing alignment within tight tolerances on thin or extensible plastic substrates.
Controlled Surface Friction: Engineered static and dynamic slip coefficients prevent static cling and film drift during high-speed vertical and horizontal pouch forming.
Food-Contact Regulatory Compliance: Water-based and low-VOC ink formulations maintain minimal residual solvent levels that meet international food packaging standards.
Applications
Bakery & Confectionery: High-speed horizontal flow wrapping for energy bars, cookies, and sweet snacks.
Frozen Foods & Produce: Cold-resistant, moisture-barrier rollstock built for continuous vertical bagging under refrigeration.
Pet Care & Agriculture: High-strength printed laminates engineered for heavy-duty automated sack packaging.
Household & Personal Care: Chemical-resistant barrier webs designed for wet wipe refills and detergent sachets.
Materials & Specifications
|
Specification Parameter |
Technical Standard / Range |
|
Material Structure |
PET/PE, BOPP/CPP, PET/AL/PE, PET/NY/PE, Paper/PE |
|
Film Thickness |
30 µm – 180 µm |
|
Roll Width |
100 mm – 1350 mm |
|
Color Capability |
Up to 10 Colors |
|
Ink Formulation |
Water-Based, Low-VOC Solvent, or UV-Curable |
|
Static Friction (COF) |
0.20 – 0.35 |
|
Dynamic Friction (COF) |
0.15 – 0.25 |
|
Core Inner Diameter |
76 mm (3 inches) or 152 mm (6 inches) |
|
Max Outer Roll Diameter |
Up to 800 mm |
|
Heat Seal Temperature |
110°C – 160°C |
|
Customization Options |
Custom barrier layers, anti-fog coatings, matte/gloss surface finishes, tear notches |
How to Choose
Select the optimal film specification by supplying the following processing details:
Equipment Parameters:
State the target packaging machine model, sealing mechanism, and required line operating speed.
Product Profile:
Detail moisture sensitivity, oil content, acidity, or physical contours of the packaged item.
Barrier Requirements:
Define necessary Oxygen Transmission Rate and Water Vapor Transmission Rate limits.
Artwork Criteria:
Provide vector artwork files with assigned Pantone color codes and exact print repeat lengths.
FAQ
Q: What artwork specifications ensure precise flexographic plate reproduction?
A: Submit vector graphics in AI or PDF format with outlined text, embedded high-resolution images above 300 DPI, and assigned Pantone color numbers. Maintain fine line weights above 0.1 mm and keep highlight dot values above 1.5% to prevent dot loss during photopolymer plate processing.
Q: How does flexographic printing differ from rotogravure printing for flexible rollstock?
A: Flexographic printing uses flexible photopolymer plates, resulting in lower tooling costs and quicker turnaround while performing efficiently on elastic substrates. Rotogravure utilizes heavy engraved steel cylinders best suited for continuous long-run production requiring intricate gradient tones.
Q: Which physical parameters ensure proper film feeding on automated packaging machinery?
A: Matching web width, inner core size, maximum roll outer diameter, unwind direction, and dynamic slip coefficient to equipment unwinder specifications prevents mechanical jamming and ensures seal integrity at maximum operating speeds.
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