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Water-Based Flexo Ink for Flexible Packaging

SKU:SC8100 ✔ Eco-friendly ✔ Quick-drying ✔ High-performance
This is a water-based ink developed specifically for flexible packaging printing, which can print plastic films such as PE, PP, PET, BOPP, etc. They are suitable for various packaging types, such as food or pet food

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Ink Type

Water-Based Ink

Printing Method

Flexographic Printing

VOC Content

1<%

Test Report

FDA,ROHS,REACH SVHC 253

Solid Content

30%--40%

Printing Speed

150-400m / min

Product Introduction


This is a water-based ink developed specifically for flexible packaging printing, which can print plastic films such as PE, PP, PET, BOPP, etc. They are suitable for various packaging types, such as food or pet food, beverage labels, shrink wrap, aluminum caps, or hygiene products. 

This water-based ink uses an environmentally friendly formula with high concentration and low viscosity, making an important contribution to sustainable development. Vibrant colors, excellent printing performance on the substrate surface, high adhesion, fast drying, minimal VOC emissions, compliant with EU REACH SVHC 253 testing and US FDA 21 CFR 175.300 testing.
 

Product parameters

Parameter Specification
Printing method flexographic printing
Safety Non flammable, non-toxic
Application flexible package as PE, PP, PET, BOPP, etc
Environmental standards ROHS2.0, REACH 253 items, FDA
Printing speed 400 meters
Packaging method 5KG/20KG/100KG/200KG/barrel
Manufacturer Huizhou Star Color

Your benefits

High color strength & brilliant shades
Low viscosity, excellent leveling property
Outstanding adhesion and fastness
Water dilutable and eco-friendly
Easy to clean and operate
Suitable for continuous printing process
Customizable ink formulas per customer requirements

Printing Applications

Water-Based Printing Ink for Flexible Packaging

Medical flexible packaging printing

Sanitary napkin packaging printing

Sanitary napkin packaging printing

Water-Based Printing Ink for Flexible Packaging

Sanitary material packaging

Water-Based Printing Ink for Flexible Packaging

Non-woven packaging bag

Water-Based Printing Ink for Flexible Packaging

PP bag food packaging

Water-Based Printing Ink for Flexible Packaging

Aluminum foil pharmaceutical packaging


More printing cases show

Customization Service Process

From your specific machine parameters to food-grade compliance, we craft the perfect SC6000 ink formula for you.

1 Consultation for food-grade printing ink requirements and technical specifications.

Requirement Consultation

Specify your substrate, machine speed, and safety standards like FDA or REACH.

2 Custom color matching and viscosity adjustment for water-based flexo ink.

Formula & Matching

Lab matches your Pantone/Sample, adjusting viscosity and pH for your high-speed flexo line.

3 Laboratory quality testing for FDA and REACH compliance of food-safe inks.

Testing & Verification

Internal tests for adhesion, water resistance, and non-migratory food safety standards.

4 High-speed flexographic printing trial and technical support for industrial production.

Trial Run & Feedback

Run customized batches on your line with our remote or on-site technical support.

5 Mass production and global logistics of StarColor eco-friendly inks

Production & Delivery

Mass production with batch consistency in 5kg/20kg drums, shipped from Huizhou factory.

 

Manufacturing Excellence

Strict control from raw materials to delivery, ensuring every drop of ink meets international standards.

Raw Material Warehouse

Premium Raw Materials

Strict selection of high-quality raw materials

Production Workshop

Production

Fully enclosed automated grinding

Quality Control

Quality Control

Batch sampling and testing

Finished Goods Warehouse

Finished Goods

Temperature-controlled storage

Shipping & Logistics

Shipping

Efficient logistics and on-time delivery

 

Technical Guidelines & Operating Instructions

Follow these recommendations to achieve optimal printing results and ink performance.

Core Process Parameters

  • Standard Viscosity: 20-30 seconds (Zahn 4# cup)
  • pH Control: 8.5 - 9.5
  • Substrate Requirement: Surface Tension ≥ 38 dyne

Operating Recommendations

Dilution Ratio:

Suggested water addition is less than 10%, depending on ambient temperature and humidity.

Anilox Roller:

Recommended 400-600 line screen for optimal ink transfer.

Drying Temperature:

Set dryer between 60℃-80℃

Machine Stoppage:

If stopped for more than 30 minutes, flush the ink path thoroughly with water.

Important Warning: Do not over-reduce with water. Excessive water addition will cause viscosity breakdown and adhesion failure. For drying speed adjustments, please consult technical support for specialized additives.

 

FAQ for This Water-based Ink

Q1. What is water-based flexographic ink and what materials is it suitable for?

A1: Water-based flexographic ink (such as SC8100) is an environmentally friendly ink that uses water as the main solvent, specifically designed for flexographic printing on flexible packaging. It is widely applicable to various plastic films, including PE (polyethylene), PP (polypropylene), PET (polyester), and BOPP (biaxially oriented polypropylene). It is suitable for printing on food packaging, pet food, beverage labels, aluminum foil seals, hygiene products, and non-woven bags.

Q2. Does this water-based ink comply with international environmental and safety standards?

A2: Yes, the SC8100 water-based flexographic ink strictly complies with multiple international environmental and food safety standards. It has passed FDA 21 CFR 175.300 (US food contact material certification), ROHS 2.0, and the EU REACH SVHC 253 high-concern substance test. The product is non-toxic, non-flammable, and has a VOC content of less than 1%, making it a green printing solution with low emissions and high safety.

Q3. What are the performance advantages of using this water-based ink?

A3: The SC8100 features high concentration and low viscosity, offering vibrant colors and excellent leveling properties for superior printing results. It boasts strong adhesion, excellent rub resistance, and fast drying speeds, supporting high-speed continuous printing at 150–400 meters per minute. Additionally, the ink is water-dilutable and easy to clean, reducing solvent consumption, lowering production costs, and enhancing operational safety.

Q4. What are the solid content and printing speed of the ink?

A4: The solid content of this water-based ink ranges from 30% to 40%, making it suitable for high-concentration formulation. The printing speed can reach up to 400 meters per minute, compatible with medium-to-high-speed flexographic printing equipment, meeting the efficiency and stability requirements of large-scale industrial production.

Q5. What is your delivery time?

A5: We have an efficient production and logistics system and can deliver quickly based on order volume: Orders under 1 ton: Delivery the next day Orders under 5 tons: Delivery within 3 days Orders under 20 tons: Delivery within 7 days Specific delivery times will be confirmed based on the final order.

Q6. Do you support customized formulas? What are the packaging specifications?

A6: Yes, we offer customized ink formula services tailored to customers' specific substrates, printing conditions, and color requirements to ensure optimal printability and final results. Standard packaging specifications are 5kg, 20kg, 100kg, and 200kg per barrel, facilitating flexible use and storage for businesses of different scales.


Contact Us

You can leave us a message and we will provide you with samples of Water-Based Flexo Ink for Flexible Packaging

Mobile/WeChat/Whatsapp:+86 18011968332

Email:eva@starcolor-ink.com


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