All food-contact parts are made of 304/316 stainless steel. For corrosive or viscous materials, we offer options like Teflon or other food-grade anti-corrosion coatings on contact surfaces.
Back Seal Bag Packaging Solutions
Back Seal Bag Packaging Solutions
What is a Back Seal Bag?
A back seal bag (also called a pillow bag or fin-seal pouch) is formed by sealing the back and bottom edges, creating a tubular shape. It is highly efficient for automated packaging lines and offers good barrier properties.
Key terms: back seal bag, pillow bag, fin-seal pouch, tubular pouch, automatic packaging.
Recommended Packaging Machines
Machines and modules suitable for back seal bag packaging—choose based on pouch structure, filling method, and target output.
Small VFFS Packaging Machine for 3/4 Side Seal, Back Seal & Shaped Bags
KL-300 VFFS Machine for automatic packaging of granules, powders, and liquid/paste materials. 20–40 bags/min, ≤±1% weighing accuracy, PLC servo control, 304 stainless steel, GMP-ready.
Weighing and Packaging Machine
An intelligent weighing vertical form-fill-seal machine designed for accurate packaging of irregular block and granular materials. Features PLC servo control, intelligent temperature management, and touchscreen operation with multi-product parameter storage capability.
Liquid Back Seal VFFS Packaging Machine KL-300Y
Liquid back seal packaging vertical form-fill-seal machine for automated metering and packaging of liquid materials. Features back seal bag forming, liquid filling, and sealing at 20-40 bags/min. Suitable for food, pharmaceutical, and chemical liquid packaging including sauces, condiments, beverages, and mouthwash.
Powder Back Seal VFFS Packaging Machine KL-300F
Professional three-side seal vertical packaging machine designed for powder materials, ideal for high-precision packaging of milk powder, seasoning powder and other powdery products
Granule Back Seal VFFS Packaging Machine KL-300K
Servo-driven vertical form-fill-seal machine with precision metering for granular products. Ideal for food, pharmaceutical, and chemical industries packaging applications.
Typical Applications for Shaped Pouches
Commonly packaged products:
Chips | Biscuits | Bread | Frozen food | Powdered milk | Pharmaceuticals | Hardware | Granules | Snacks | Pet food.
Why Choose Keypack Intelligent?
Why Choose Keypack Intelligent? We provide reliable, turn-key packaging solutions designed for your success. Our precision engineering minimizes waste and maximizes your uptime, while our global support network ensures seamless operation. We partner with you to deliver not just machinery, but lasting value and growth.
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Over a decade of experience
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Frequently Asked Questions
Are the machine materials food-grade compliant?
Are you a manufacturer or a trading company?
What certifications do your machines hold, and which markets have you exported to?
Which industries do your packaging solutions serve?
Do you offer full "Turnkey" projects and flexible equipment?
What after-sales support and quality guarantee do you provide?
How are installation and training provided?
What is the warranty? Are spare parts readily available?
Get a Custom Solution Quote
Send your requirements and get a layout suggestion.
Please provide:
Your product (power, liquid, granule; Specific products are better)Packaging format (e.g., pouch, bottle,can).
Target weight/volume.
Required speed (bags/min).
Film/material type.
Country of operation.Contact (Email/WhatsApp).
