+86 18011968332 | ✉️ info@starcolor-ink.com
EN CN RU
Industrial Printing Ink Knowledge Base

Position:Home > Ink Knowledge


Industrial Printing Ink Knowledge Base





PPWR Article 5: Heavy Metal & PFAS Limits Explained

PPWR Article 5: Heavy Metal & PFAS Limits Explained

PPWR Article 5 takes effect 12 Aug 2026. Learn the 100 mg/kg heavy metal limit and new PFAS thresholds for food-contact packaging, and how to stay compliant.


Oct 08 2026

EU PPWR Regulation for Printing Inks: Mandatory Actions Before 12 August 2026

EU PPWR Regulation for Printing Inks: Mandatory Actions Before 12 August 2026

Learn what printers, converters & packaging brands must complete for EU PPWR compliance by 12 Aug 2026. StarColor supplies PFAS-free, heavy-metal compliant water-based & UV printing inks.


Sep 25 2026

Gravure Water-Based Ink Passes FDA Testing

Gravure Water-Based Ink Passes FDA Testing

What does “FDA-tested” really mean for food packaging ink? With the EU PPWR now ending film lamination, StarColors FDA-compliant, low-migration gravure water-based ink is ready for direct surface printing on napkins, paper cups, fry boxes and pizza boxes


Sep 16 2026

How to Stabilize Color & Keep Delta E < 2 in Flexo Water-Based Ink Printing

How to Stabilize Color & Keep Delta E < 2 in Flexo Water-Based Ink Printing

Practical guide to control color consistency and maintain ΔE less than 2 for flexo printing with water-based inks. Learn ink management, plate & pressure control, drying & humidity regulation and troubleshooting.


Sep 10 2026

Surface and Inner‑Layer Curing Failures of Flexo UV Ink: Causes & Fixes

Surface and Inner‑Layer Curing Failures of Flexo UV Ink: Causes & Fixes

Distinguish surface curing failure and inner‑layer curing failure of flexo UV inks. Learn practical diagnosis methods, root‑cause analysis and field‑proven troubleshooting solutions for printing production.


Sep 05 2026

Solutions of Delayed Blistering in Reverse‑Printed BOPP/PE Laminates

Solutions of Delayed Blistering in Reverse‑Printed BOPP/PE Laminates

Analyze delayed bubbling & delamination failure of BOPP/PE gravure reverse‑printed dry‑laminated film after 2‑3 months storage, covers both solvent‑based and water‑based ink, practical troubleshooting and process solutions for flexible packaging manufactu


Aug 26 2026

PPWR & PFAS Compliant Water-Based Ink for EU Packaging Export

PPWR & PFAS Compliant Water-Based Ink for EU Packaging Export

EU PPWR (EU) 2025/40 fully enforces on Aug 12, 2026. StarColor PFAS-free water-based ink passes official PPWR & PFAS testing, helping packaging factories avoid EU detention and recall risks.


Aug 22 2026

UV Ink Curing Problems on Nonwoven Fabric: Causes and Technical Analysis

UV Ink Curing Problems on Nonwoven Fabric: Causes and Technical Analysis

This article analyzes three root causes for incomplete UV ink curing on non‑woven substrates, including low‑speed capillary penetration, UV light scattering and uneven ink‑film thickness.


Aug 05 2026

Analysis of Cracking Defects of UV Ink on PETG Shrink Film Flexo Printing

Analysis of Cracking Defects of UV Ink on PETG Shrink Film Flexo Printing

Deep technical analysis of UV ink cracking issues on PETG heat shrink film, including resin mismatch, over-curing, interface defects, ink layer thickness and storage stress accumulation, root causes & technical solutions.


Jul 20 2026

Precise Factory Color Calibration: All StarColor Inks Keep ΔE < 1.0

Precise Factory Color Calibration: All StarColor Inks Keep ΔE < 1.0

StarColor implements strict quantitative color control. All finished ink batches are delivered with color difference ΔE less than 1.0, eliminating batch-to-batch color drift for flexible packaging printers.


Jul 13 2026

 619    1 2 3 4 5 6 7 8 9 10 Next Last