Water Based Flexo Ink For Paper

Chemical Resistance & Stain Resistance, Ensuring Long-Lasting and Stable Print Quality

In paper printing applications, the printed layer is often exposed to various chemicals and pollutants, such as oils, condiments, and cleaning agents in food packaging; sweat and grease on logistics labels; and moisture and dust in storage environments. Traditional inks are prone to fading, peeling, and smudging, affecting the product's appearance and functionality. This water-based flexographic ink addresses these issues with an optimized formula, offering excellent chemical resistance and stain resistance, providing a robust protective barrier for printed materials.

Compared to solvent-based inks, this product utilizes an environmentally friendly water-based system without compromising chemical resistance. It exhibits excellent resistance to common food-grade oils, vinegar, soy sauce, and other acidic/alkaline substances, as well as mild solvents, lubricants, and dust in industrial settings. The printed layer is resistant to dissolution, discoloration, peeling, and loss of adhesion. Furthermore, the dense and uniform film formed after drying effectively prevents the penetration of external pollutants. Even in humid and oily industrial storage and transportation environments, it maintains vibrant colors and clear patterns, preventing product spoilage due to ink failure and significantly improving the durability and reliability of printed materials.

In addition, the product demonstrates excellent water resistance. Printed paper will not smudge or blur when exposed to small amounts of water or high humidity environments, making it particularly suitable for applications with high moisture resistance requirements, such as food packaging and outdoor labels, addressing the industry pain point of poor water resistance in traditional water-based inks.

Applicable Scenarios: Covering Paper Printing Needs Across Multiple Industries

This water-based flexographic ink, with its excellent chemical resistance, stain resistance, and environmentally friendly characteristics, is widely used in paper printing applications across various industries, especially suitable for fields with high requirements for the durability and safety of printed materials:

- Food Packaging Printing: Suitable for printing on food packaging paper, kraft paper food bags, paper food containers, etc. It resists food oils and condiments, prevents the migration of harmful substances, and meets food contact safety standards, ensuring the safety of food packaging.

- Logistics Packaging Printing: Suitable for printing on corrugated cardboard boxes, logistics labels, and paper-based courier bags. It resists oil stains, moisture, and dust contamination during transportation, ensuring that printed logistics information (addresses, barcodes) remains clear and legible.

- Label and Gift Box Printing: Used for printing on paper labels, gift boxes, and shopping bags. The colors are bright and resistant to sweat and mild cleaning agents during daily use, maintaining a refined and durable product appearance.

- Cultural and Industrial Paper Printing: Suitable for printing on book covers, brochures, and industrial manuals (paper-based). It resists moisture and dust in storage environments, ensuring that the printed materials do not fade or deteriorate over time.

Besides the existing applications, can this ink be adapted to the printing needs of other special papers?

Yes. This product is primarily compatible with mainstream paper substrates such as food packaging paper, kraft paper, corrugated cardboard, label paper, and cultural paper. For some special papers (such as thin paper, matte paper, and recycled paper), stable printing can be achieved by fine-tuning printing parameters (such as ink dilution ratio and drying temperature). If you have specific substrate compatibility requirements, please contact us for sample testing and dedicated technical support to ensure printing quality and durability.

For printing on gift boxes, shopping bags, and other packaging materials, will the ink color remain vibrant for a long time?

Will it fade with daily contact?

The ink color will remain vibrant for a long time and will not easily fade with daily contact. This product has high color saturation and excellent color reproduction. The film formed after printing is dense and uniform, effectively blocking external moisture and dust. It is also resistant to sweat and mild cleaning agents during daily use. Even after repeated touching and use, gift boxes and shopping bags will maintain their exquisite appearance, with no fading or darkening of colors, fully meeting the requirements for long-lasting appearance in label and gift box printing.

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