Gravure Water-Based Ink: Adhesion, pH Control, Emulsion Methods

06/20/2026

To solve the quality bottlenecks of gravure-printed water-based inks on film substrates, improvements should be guided by the structural characteristics of gravure printing machines. I. Adhesion to Film Substrates Adhesion problems of w...

Gravure Defects and Lamination Troubleshooting: Complete Guide

06/04/2026

A field reference covering the most common defects in plastic gravure printing, dry lamination, and extrusion lamination — with root causes and corrective actions for each. Part 1: Gravure Printing Defects 1. Doctor Blade Streaks / I...

Humidity vs Print Quality: Nylon Film, Solvent, and Curing Guide

06/04/2026

Seasonal climate shifts — 30–40°C temperature swings between summer and winter, humidity ranging from near-saturation during plum rain season to bone-dry in autumn — are the single largest external variable affecting flexible packaging p...

Flexible Packaging Q&A: Solvent, Corona, Surface vs Reverse Print

06/02/2026

A collection of practical questions and answers from flexible packaging production, covering solvent selection, ink testing, corona treatment levels, surface vs. reverse printing, composite structures, and troubleshooting. Ink Solvent...

BOPA Nylon Film: Rainy Season Printing and Lamination Guide

05/28/2026

Nylon film — BOPA — is a workhorse in flexible packaging: excellent barrier, good clarity, strong at thin gauges. But it has one fundamental weakness that every rainy season exposes: those amide groups on the polymer chain grab water mol...

Print Surface Finishing: Abrasion Resistance Test Results

05/25/2026

Packaging isn't just about looking good on the shelf. A box gets handled, stacked, dragged across conveyor rails, knocked around in shipping. If the surface finish can't take the punishment, the package shows up wrecked before the custom...

How to Fix Poor Transparency in Flexible Packaging Lamination

05/23/2026

# How to Fix Poor Transparency in Flexible Packaging Lamination Hazy laminated film is one of those defects that drives quality managers crazy. The structure looks right. The bond seems solid. But the finished film has a milky or cloudy ...