Blow Bag Packaging Process

Blow Bag Packaging Process

Suction Bag 01 is light, space-saving, convenient to carry, easy to pour, and resealable, making it widely used for packaging products such as fruit puree, beverages, sauces, seasonings, laundry detergents, personal care products, household care refills, liquid pet food nutrition packs, and other liquid or semi-liquid products.

What is a mouth-blown bag packaging?

Nostril Bag, also known asSpout Packaging Bag, Spout Stand-up Bag or Spout PouchIt is a functional packaging bag with a plastic spout and a screw cap installed on the bag body. The spout is usually located at the center top, upper left corner, upper right corner, or side of the bag body, and can be positioned according to the filling method, usage method, and appearance design of the product.Customized。

With ordinaryStand-up pouchCompared to others, the suction bag is more suitable.Liquid, semi-liquid, pasteHuo KeExtruded ProductsPackaging. Consumers can pour, squeeze, or dispense the product directly through the spout, and the screw-top closure allows for repeated opening and resealing, making it suitable forFamily Pack, Portable Pack, Refill Pack, and Children’s Food Packaging.

Advantages of the Nozzle Bag Packaging Process

Easy to pour, excellent user experience

The spout bag controls liquid flow direction through a spout and a flip-top lid, suitable for products such as fruit puree, beverages, sauces, laundry detergent, hand soap, and personal care items. Compared to ordinary bag packaging, it offers more convenient access and reduces the risk of large-scale spillage.

Reopenable and resealable

The screw cap design allows for multiple opening and closing, making it suitable for liquid or semi-liquid products that need to be used in portions, such as laundry detergent refills, children’s fruit puree, sauce packs, and pet nutrition pastes.

Lightweight bag body saves transportation space

The pouch can be flat stacked before filling, is lighter than bottles, cans, or rigid containers, reducing storage and transportation volume, making it suitable for e-commerce shipping and bulk transport.

Complete packaging display area

The front and back of the bag can be fully printed with brand logo, product name, design patterns, ingredient information, usage instructions, and barcodes. For children’s food, beverages, daily care products, and personal care supplements, the visual presentation is more flexible.

Material structure can be customized according to the contents.

Select PET/PE, PET/NY/PE, PET/AL/NY/PE, PET/VMPET/PE, transparent composite film, or aluminum foil composite film structures based on the acidity/alkalinity of the contents, oil content, pressure resistance requirements, barrier properties, and heat-sealing strength.

Nozzle Bag Packaging Parameter Introduction

The following are the common technical parameter ranges for suction bag packaging. They can be customized according to your product requirements.

Parameter Dimensions Specification Range / Options Description
Dimensions Specifications
Bag Width (Front Width) 60 – 300 mm Customizable based on capacity, product form, and front display area
Bag Height (Front Height) 100 – 450 mm Suitable for small-sized portable packaging, household supplement packaging, daily chemical supplement packaging, and liquid food packaging
Bottom unfold width 30 – 120 mm Self-standing pouch structure with wider base offers better stability and capacity performance.
Capacity Range 50 ml – 3 L Customizable for various products such as fruit puree, beverages, sauces, laundry detergents, and personal care products.
Bag body thickness 90 – 220 μm For liquid and semi-liquid packaging, it is recommended to choose thicker composite films to enhance pressure resistance, leak prevention, and transportation stability.
Suction Cap and Screw Cap
Nozzle Position Top center, top left corner, top right corner, side Customizable based on filling method, pouring direction, and packaging appearance
Nozzle Specifications 8.6 mm, 10 mm, 12 mm, 16 mm, 20 mm, etc. Specific specifications are selected based on the viscosity of the contents, the dispensing speed, and the usage scenario.
Screw Cap Type Standard screw cap, anti-theft cap, child safety cap, large mouth screw cap Select based on food, children’s products, household chemicals, or home supplement packaging needs.
Nozzle Color White, Clear, Black, Custom Colors Can be selected according to brand visuals and packaging patterns.
Welding Method Heat Sealing Welding, Nozzle Pre-Welding The nozzle welding area must ensure a secure and stable seal to minimize the risk of leakage.
Material Combinations
Standard Liquid Type PET/PE、PET/NY/PE Suitable for packaging of conventional liquids or semi-liquids such as beverages, fruit purees, sauces, and personal care products.
Pressure-resistant leak-proof type PET/NY/PE、PET/PA/PE Suitable for products with high bag strength requirements such as liquid detergents, cleaners, thick pastes, and pet nutrition pastes.
High barrier type PET/AL/NY/PE、PET/AL/PE Suitable for food, beverages, sauces, or functional products that require light protection, oxygen barrier, moisture resistance, and aroma preservation.
Transparent Display Type PET/NY/PE, transparent PE composite film Suitable for showcasing the color and condition of the contents in fruit puree, beverages, liquid food, or personal care products.
Metallic Texture Type PET/VMPET/PE、PET/VMPET/NY/PE Suitable for packaging of liquid or personal care products requiring moisture-proof, light-proof, and silver finish display.
Printing and Surface Finishing
Printing Process Offset Printing, Digital Printing Offset printing is suitable for large-scale production, while digital printing is ideal for small batches, multiple designs, and proofing tests.
Print Color Count 1 – 10 Colors Customizable colors based on brand design, product series, and packaging pattern requirements.
Print Area Front, back, and partial irregular areas Suitable for displaying brand name, product graphics, ingredient information, usage instructions, and barcode
Surface Treatment Matte, Gloss, Partial Gloss, Aluminum Foil, Transparent, Paper-like Finish Choose according to different positioning such as children’s food, beverages, condiments, daily chemicals, etc.
Functional Process
Bottom Self-Standing Structure Optional Self-standing pouch with a straw, suitable for shelf display, desk placement, and home refilling
Shaped Bag Body Optional Suitable for children’s food, fruit puree, beverages, and brand differentiated packaging
Clear Window Optional Suitable for liquid packaging that needs to display the color, liquid level, or texture of the contents
Carry Handle Optional Suitable for large capacity laundry detergent, cleaning agents, and household chemical refills.
Leak-proof structure Optional Enhancing packaging seal stability through material thickness, heat-seal strength, and nozzle welding process
Applicable Scenarios
Food Liquid Packaging Pulp, beverages, yogurt, sauces, seasonings Easy to pour, squeeze, and dispense in portions, suitable for portable packaging and children’s food packaging.
Personal Care Refill Packs Laundry Detergent, Hand Sanitizer, Shampoo, Body Wash, Cleaner Can replace part of bottled or drum packaging, saving transportation space and enhancing usability.
Pet Supplies Packaging Pet NutritionOintment, Pet Liquid Snack, Pet Bathing and Care Products Suitable for squeezable, resealable liquid orpaste product categories.
Portable Refill Pack Travel Size, Sample Size, Family Refill Size The bag body is lightweight, making it convenient for carrying, storage, and e-commerce shipping.
Business Parameters
Minimum Order Quantity (MOQ) Offset: 5,000 – 10,000 pieces; Digital: 500 – 1,000 pieces Minimum order quantity will be adjusted based on size, material, nozzle specification, printing process, and order quantity.
Sample lead time Digital proof: 3 – 5 days; Print proof: 5 – 7 days Recommend confirming capacity, nozzle position, welding effect, sealing performance, and print color before mass production.
Delivery Lead Time First order: 15 – 25 days; reorder: 10 – 15 days The specific cycle time is determined by the order quantity, nozzle inventory, material inventory, printing process, and production schedule.
Customization Instructions Customizable by sample, by design, and by capacity We can provide packaging solutions based on the viscosity of the contents, capacity, usage method, shelf life requirements, and brand design.

Blow Molded Bag Process Suitable Products

Pulp and Children’s Food Packaging

Suction bag packaging is commonly used for products such as fruit puree, baby food, yogurt, and juice drinks. The suction cap and screw-on lid make it convenient for children or parents to take portions at different times. The lightweight bag is suitable for portability and e-commerce delivery.

Sauce and Seasoning Packaging

Products such as ketchup, salad dressing, chili sauce, seasoning sauce, and concentrated soup base can be packaged in spout bags. The spout structure allows for easy control of liquid flow, making it suitable for household, catering, and refilling packaging.

Beverage and Functional Food Packaging

Products such as juice, energy drinks, sports drinks, and nutritional liquids can be packaged in pouches with a straw. Depending on the shelf life and barrier requirements, transparent film, metallized film, or aluminum foil composite film can be selected.

Personal Care and Hygiene Product Packaging

Products such as laundry detergent, hand sanitizer, shampoo, body wash, fabric softener, and cleaners are suitable for use in squeeze pouch packaging as refills. Compared to bottle packaging, squeeze pouches are more convenient and save more storage space when empty.

Pet Liquid Product Packaging

Pet nutritionHerbal patch, pet liquid snacks, pet grooming products can be packaged in squeeze bags, which are convenient for squeezing, multiple uses, and repeated sealing.

Blow Molded Bag Packaging Case Study