Flexographic Printing

Noupack has sufficient capacity to meet the demands of flexographic printing production.

About Noupack Flexographic Printing

Noupack flexographic printing, commonly referred to as flexo, is a modern printing process that utilizes flexible relief plates to transfer ink onto various substrates.

Noupack flexographic printing is a form of relief printing that employs flexible plates made from rubber or photopolymer. This method is particularly well-suited for high-volume jobs and is known for its ability to produce sharp images and vibrant colors quickly and cost-effectively.

Substrates: Noupack flexo can print on a wide range of materials, including paper, plastic films, metallic films, cardboard, and non-woven fabrics. This versatility makes it ideal for packaging applications, labels, newspapers, and other printed materials.

Advantages of Noupack Flexographic Printing

Speed and Efficiency: Flexo can achieve high speeds (up to 2000 linear feet per minute), making it suitable for large volume runs.

Cost-Effectiveness: With lower setup times and reduced waste compared to traditional methods like offset printing, flexo is ideal for long-term repeat orders.

High Quality: Advances in plate technology and ink formulations have improved the quality of flexo prints significantly, allowing for vibrant colors and intricate designs.

Versatility: The ability to print on various substrates and use different inks makes flexography adaptable for many applications in packaging and labeling.

foil paper rollstock

How Noupack Flexographic Printing Works

Plate Creation: The process begins with the creation of a relief image on flexible plates. These plates are either made from rubber or photopolymer materials and are mounted onto cylinders.

Ink Application: An anilox roller, which has engraved cells to hold ink, transfers a uniform layer of ink from an ink fountain to the plate. The doctor blade may be used to remove excess ink from the anilox roller.

Printing Process: As the substrate (material to be printed on) passes between the plate cylinder and an impression cylinder, pressure is applied to transfer the ink from the raised areas of the plate onto the substrate.

Drying: The ink dries quickly due to its low viscosity, often using ultraviolet (UV) lamps or infrared (IR) dryers, allowing for fast production speeds and preventing smearing between print stations.

Finishing Options: Flexographic presses can integrate additional processes such as laminating, embossing, cold foil stamping, and die-cutting in a single pass, enhancing efficiency and reducing production time.

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Common Materials Used in Noupack Composite Packaging and Properties

Aluminum Foil

Aluminum foil offers excellent barrier properties, effectively preventing moisture, oxygen, and light from penetrating, which helps maintain food quality and freshness. It is lightweight, easy to process, and recyclable, making it suitable for various food packaging applications.

Nylon (Polyamide)

Nylon possesses good mechanical strength and abrasion resistance, along with high barrier performance. It is suitable for food packaging that requires resistance to high temperatures and freezing, effectively extending the shelf life of products.

Polyester (PET)

Polyester materials have high transparency and excellent optical properties along with good barrier performance. They are commonly used in beverage bottles and other packaging, providing resistance against moisture and oxygen ingress.

Ethylene-Vinyl Alcohol Copolymer (EVOH)
This material has extremely high oxygen barrier properties, making it ideal for packaging oxygen-sensitive foods. EVOH is often used as a layer in composite materials to enhance overall barrier performance.
BOPP (Biaxially Oriented Polypropylene)
BOPP has good transparency and strength, effectively blocking water vapor and gases to maintain the freshness of products inside the packaging. It is cost-effective, suitable for mass production.
CPP (Cast Polypropylene)
CPP features good heat-sealing properties and transparency, with high flexibility suitable for various shapes of packaging. Its moisture barrier performance is good, but it does not have the same level of barrier properties as BOPP.
Kraft Paper
Paper materials are environmentally friendly, economical, and easy to print; however, single-layer paper packaging does not provide sufficient barrier properties. They are typically laminated with other materials to enhance functionality.
Polyethylene (PE)
Polyethylene has good heat-sealing properties, flexibility, and impact resistance, widely used in food packaging. It can serve as an inner layer material, laminated with other materials to enhance overall packaging performance.
Bioplastics
Bioplastics are typically made from renewable resources and have good gas barrier properties, making them suitable for food packaging. They perform well in terms of environmental sustainability, helping to reduce plastic pollution.

Production Process Videos

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Frequently Asked Questions

About Flexographic Printing
We strive to provide you with the best information. Please refer to our FAQ section for quick answers.

What types of substrates can you print on using flexographic printing?

We can print on a wide variety of substrates, including paper, plastic films, metallic films, corrugated board, and non-woven fabrics. Flexographic printing is highly versatile and suitable for both porous and non-porous materials.

How many colors can you print in a single run with your flexographic printing process?

Our flexographic printing presses can accommodate up to 9 colors in a single run. For more complex designs requiring additional colors, we can set up multiple passes.

What quality control measures do you have in place during the flexographic printing process?

We implement several quality control measures, including in-line inspections at various stages of production, color matching checks, and final product inspections to ensure all prints meet specified standards.

How is pricing determined for flexographic printing services?

Pricing for flexographic printing is based on factors such as substrate type, number of colors, order quantity, and complexity of the design. We provide detailed quotes after assessing these factors.

Do you offer eco-friendly ink options for your flexographic printing services?

Yes, we offer eco-friendly ink options, including water-based and UV-curable inks that minimize environmental impact while maintaining high-quality print results.

Can you provide samples of previous flexographic printing jobs before placing an order?

Absolutely! We can provide samples of previous work upon request to help you assess our print quality and capabilities before making a decision.

Let's Work Together

Send us a message if you have any questions or request a quote. Our experts will give you a reply within 24 hours and help you custom your flexible packaging.

Tel: +86-571-82824082

WhatsApp: +86-13575706574

Email: [email protected]

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