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Rundongyang Packaging Products Co., Ltd

Nozzle Bag

What is A Nozzle Bag

A Nozzle Bag is a type of flexible packaging, typically made from multi-layered laminated materials, characterized by an integrated spout or nozzle designed for convenient pouring and dispensing of liquid, semi-liquid, granular, or powdered contents. These bags prioritize excellent barrier properties against moisture and oxygen, along with robust sealing and durability (including compression, frost, and high-temperature resistance), ensuring product integrity and extended shelf life. They often feature re-sealable closures like zippers and can incorporate specialized additives like valves or tin ties for enhanced preservation and user convenience.


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Wholesale Nozzle Bags from Rundongyang in Different Types

High quality Multi Layer Laminated Spout Pouch For Industrial Liquid Packaging With UV Protection factory

Multi Layer Laminated Spout Pouch For Industrial Liquid Packaging With UV Protection
High quality Flexible Stand-Up Spout Pouch for Shampoo Packaging with Multiple Color Choices factory

Flexible Stand-Up Spout Pouch for Shampoo Packaging with Multiple Color Choices
High quality High Barrier PET PE Spout Pouch For Energy Drink Packaging In 100ml To 1000ml factory

High Barrier PET PE Spout Pouch For Energy Drink Packaging In 100ml To 1000ml
High quality Transparent And Matte Finish Spout Pouch For Household Cleaning Liquid Packaging factory

Transparent And Matte Finish Spout Pouch For Household Cleaning Liquid Packaging
High quality Recyclable Plastic Spout Pouch For Juice And Milk Packaging With Strong Seal factory

Recyclable Plastic Spout Pouch For Juice And Milk Packaging With Strong Seal
High quality Custom Printed Stand Up Spout Pouch For Chemical Liquid Packaging In Various Sizes factory

Custom Printed Stand Up Spout Pouch For Chemical Liquid Packaging In Various Sizes
High quality BPA Free Laminated Spout Pouch For Beverage Packaging With Leak Proof Design factory

BPA Free Laminated Spout Pouch For Beverage Packaging With Leak Proof Design
High quality Durable PET PE Spout Pouch For Liquid Detergent Packaging In Multiple Thickness Options factory

Durable PET PE Spout Pouch For Liquid Detergent Packaging In Multiple Thickness Options
High quality Eco Friendly Plastic Spout Pouch For Juice Packaging With Custom Size And Color factory

Eco Friendly Plastic Spout Pouch For Juice Packaging With Custom Size And Color
High quality Supplier Clear Window Liquid Packaging Spout Pouch With Zipper Pack factory

Supplier Clear Window Liquid Packaging Spout Pouch With Zipper Pack
High quality Wholesale Puncture Resistant Custom Spout Bags For Chemicals Liquids factory

Wholesale Puncture Resistant Custom Spout Bags For Chemicals Liquids
High quality Manufacturer Leakproof Liquid Spout Pouch Packaging For Beverages Detergents factory

Manufacturer Leakproof Liquid Spout Pouch Packaging For Beverages Detergents
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Nozzle Bag Solutions by Rundongyang

At Rundongyang, we offer advanced Nozzle Bag solutions meticulously designed to meet the highest standards for product preservation, dispensing convenience, and brand presentation. Our bags feature full-color printing for a vivid, tridimensional showcase of your product, making it highly attractive on shelves. We guarantee strong sealing, compression, and robust construction, capable of withstanding frost, high temperatures, and moisture sterilization, ensuring unparalleled product integrity and extended shelf life.

Our Nozzle Bags are engineered for user convenience, often including zipper sealing for repeated reuse. For specialized needs, we integrate additive valves and tin ties to achieve superior moisture control and freshness effects. We offer a comprehensive selection of 2, 3, and 4-layer laminated materials, including BOPP/CPP, PET/AL/LDPE, and Kraft Paper/MPET/LDPE, providing optimal barrier performance tailored to your specific product requirements.

Beyond functionality, we prioritize aesthetics with eco-friendly, water-based inks and diverse surface finishing options like glossy/matt lamination, hot stamping, embossing, UV coating, and hologram effects, ensuring your brand stands out. Our Nozzle Bags are ideal for a wide array of applications, from coffee and nuts to beverages, powders, and pet food. Every bag undergoes rigorous quality control by an experienced QC team using advanced equipment, ensuring consistent excellence. Partner with Rundongyang for free design creation and adjustment, guaranteeing a customized, high-quality solution at a competitive price.

Features of Nozzle Bag (by Rundongyang)

Rundongyang's Nozzle Bags are packed with features designed for superior product preservation and user experience:

  1. Enhanced Visual Appeal: Full-color printing allows for a tridimensional showcase, making the package highly attractive on shelves.

  2. Robust Protection: Features strong sealing, compression resistance, frost resistance, high-temperature tolerance, and moisture sterilization capability.

  3. Extended Shelf Life: Excellent barrier properties against moisture and oxygen, combined with strong sealing, ensure product freshness.

  4. User Convenience: Often equipped with zipper sealing for repeated reuse, and options for additive valves and tin ties for better moisture control and easy dispensing.

  5. Multi-Layered Material Structures: Available in 2, 3, or 4-layer laminated materials (e.g., PET/AL/LDPE, Kraft Paper/MPET/LDPE), customized for specific product needs.

  6. Premium & Eco-friendly Finishing: Uses eco-friendly, non-toxic, water-based inks for printing, with diverse surface finishes like glossy/matt lamination, hot stamping, embossing, UV coating, and hologram effects.

Features of Nozzle Bag (by Rundongyang)

Applications of Nozzle Bag

Nozzle Bags from Rundongyang are incredibly versatile, used for packaging a wide variety of products across different industries:

  1. Beverages & Liquids: Ideal for juice, soft drinks, and other liquid or semi-liquid products.

  2. Coffee Products: Perfect for packaging coffee beans and coffee powder, preserving aroma and freshness.

  3. Dairy & Protein Powders: Suitable for milk powder, protein, and creamer, offering excellent moisture barriers.

  4. Snacks & Confectioneries: Used for nuts, dried fruits, cookies, crisps, candies, ensuring product integrity.

  5. Dry Food & Grains: Effective for rice, flour, beans, seeds, wheat, cereals, protecting against moisture and pests.

  6. Spices & Seasonings: Great for packaging sugar, salt, pepper, spices, and herbal products, maintaining flavor and potency.

  7. Other Powders: Includes applications for tobacco, washing powder, pet food, and other granular or powdered goods.

Applications of Nozzle Bag

How to Make a Nozzle Bag (General Manufacturing Process)

The manufacturing of a nozzle bag is a specialized process involving several precise steps:

  1. Film Lamination: This is the foundational step. Multiple layers of different materials (e.g., BOPP, PET, CPP, LDPE, Aluminium foil, Nylon, MPET, Kraft Paper) are bonded together using adhesives or extrusion to create the desired barrier properties and strength. For instance, PET/AL/LDPE creates a strong barrier against light, oxygen, and moisture.

  2. Printing: The laminated film rolls are then fed into high-speed gravure or flexographic printing presses. The bag's design, branding, and product information are printed using up to 10 colors with eco-friendly, non-toxic inks. This ensures vibrant, high-resolution graphics.

  3. Surface Finishing: After printing, various surface treatments are applied to enhance aesthetics and durability. This can include glossy or matte lamination for protection and feel, UV coating for shine and abrasion resistance, gold/silver hot stamping, embossing, or hologram effects for premium appeal.

  4. Slitting: The large, printed, and finished rolls of laminated film are then precisely cut into narrower rolls, matching the width required for individual bags. This step ensures uniformity before bag formation.

  5. Bag Forming & Bottom/Side Gusseting: The slit rolls are fed into specialized bag-making machines. These machines form the basic bag structure, including bottom or side gussets if it's a stand-up pouch. Heat sealing mechanisms are used to create strong seals along the edges.

  6. Spout/Nozzle Insertion & Sealing: This is the defining step for a nozzle bag. Pre-manufactured plastic spouts (nozzles) with caps are integrated and securely heat-sealed into a designated corner or top of the bag during the bag-forming process. The seal around the spout must be exceptionally strong to prevent leaks.

  7. Zipper/Valve/Tin Tie Integration (Optional): If the bag requires additional features like a re-sealable zipper, a one-way valve (e.g., for coffee degassing), or a tin tie, these elements are integrated and sealed into the bag at specific points during the forming process.

  8. Quality Control & Packaging: Every finished nozzle bag undergoes rigorous quality inspection. This includes checking print accuracy, seal integrity (critical for nozzle bags), material strength, and proper integration of all components. Bags are then bundled, packed into protective PE bags, then cartons, and finally onto pallets, ready for shipment.

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