How LPI and Volume Affect Your Anilox Flexo Printing Results

Introduction

In flexographic printing, the anilox roller is a critical component that determines ink transfer efficiency and print quality. Two key factors that influence performance are LPI (lines per inch) and volume (BCM, or billion cubic microns per square inch). Choosing the right combination ensures vibrant colors, sharp details, and consistent results.

At JCTPRINT, we specialize in high-quality anilox rollers tailored to your printing needs. In this guide, we’ll explain how LPI and volume impact your flexo printing results and help you select the best anilox roller for optimal performance.

What Are LPI and Volume in Anilox Rollers?

1. LPI (Lines Per Inch)

LPI refers to the number of laser-engraved cells per linear inch on an anilox roller. A higher LPI means more cells, resulting in finer ink distribution.

• Low LPI (200-400): Best for coarse designs, solid colors, and high ink coverage (e.g., corrugated packaging).

• Medium LPI (400-800): Ideal for mid-range graphics and labels.

• High LPI (800+): Used for fine details, high-resolution images, and flexible packaging.

2. Volume (BCM – Billion Cubic Microns per Square Inch)

Volume measures the ink-carrying capacity of an anilox roller. It determines how much ink is transferred to the printing plate.

• Low Volume (1.5-3.0 BCM): Suitable for thin inks, UV coatings, and fine details.

• Medium Volume (3.0-6.0 BCM): Common for most flexo printing jobs, including labels and flexible films.

• High Volume (6.0+ BCM): Used for high-density inks, metallics, and specialty coatings.

How LPI and Volume Impact Print Quality

1. Ink Transfer & Coverage

• A low LPI with high volume delivers thick ink layers, ideal for bold designs.

• A high LPI with low volume ensures precise ink control, perfect for fine details.

2. Dot Gain & Print Clarity

• If LPI is too low for detailed artwork, dot gain (ink spreading) can occur, reducing sharpness.

• If volume is too high, excess ink can cause smudging or bleeding.

3. Substrate Compatibility

• Porous materials (corrugated board) need lower LPI & higher volume for better ink penetration.

• Smooth films & labels require higher LPI & lower volume for crisp prints.

Choosing the Right Anilox Roller for Your Application

At JCTPRINT, we recommend:

JCTPRINT’s High-Performance Anilox Rollers

We manufacture precision-engineered anilox rollers with:
✔ Advanced laser engraving for consistent cell structure
✔ Ceramic-coated surfaces for durability & long lifespan
✔ Custom LPI & volume options for your specific needs

Need expert advice? Contact JCTPRINT today for a free consultation on the best anilox roller for your printing requirements!

Conclusion

Understanding LPI and volume is essential for achieving the best flexo printing results. By selecting the right anilox roller, you can improve ink transfer, reduce waste, and enhance print quality.

Trust JCTPRINT for premium anilox rollers—get in touch now for a customized solution!