Multiwall Paper Valve Bags Manufacturer
Heavy-duty paper valve bags for cement, dry mortar, tile adhesive, gypsum, chemicals and other industrial powders.
Multiwall Construction — Strong kraft paper layers for demanding industrial applications.
Automatic Filling — Designed for high-speed filling and efficient powder packing.
Custom Printed — Custom sizes, layers, printing and valve configurations available.
Moisture Protection — PE liner options help protect moisture-sensitive products.
Product Introduction
Multiwall Paper Valve Bags for Industrial Powders
Multiwall paper valve bags are designed for the efficient packaging of cement, dry mortar, tile adhesive, wall putty, gypsum powder, chemicals and other industrial powders.
Multiple kraft paper layers provide strength and durability, while optional PE liners offer additional moisture protection.
Nano perforation can be added to improve air release during high-speed automatic filling.
Applications
• Cement — Heavy-duty paper valve bags for cement and cement-based products.
• Dry Mortar — Suitable for dry mortar and premixed construction materials.
• Tile Adhesive — Designed for efficient filling and handling of tile adhesive powder.
• Wall Putty — Multiwall construction provides reliable protection during transportation.
• Gypsum Plaster — Suitable for gypsum powder, plaster and other dry construction materials.
• Chemicals & Minerals — Custom paper structures are available for various industrial powders.
• Other products — such as fertilizers, flour, sugar and agricultural powders can also be packed with suitable bag structures.
STRONG. RELIABLE. CUSTOMIZABLE.
Key Features of Our Paper Valve Bags
Designed to deliver reliable performance, efficient filling and flexible customization for industrial powder packaging.
Strong Multiwall Construction
Multiple kraft paper layers provide excellent strength and resistance to handling damage.
High-Speed Automatic Filling
Nano perforation helps release trapped air for efficient filling of powder products.
Moisture Protection
Optional PE liners provide additional protection for moisture-sensitive products.
Reliable Valve System
Internal and external valve configurations are available for different filling equipment.
Custom Printing
Up to 6-color printing allows your brand, product information and handling instructions to be clearly displayed.
Recyclable Paper Options
Paper-based constructions can provide a more environmentally conscious packaging solution where product requirements allow.
Customization Options
Technical Specifications
Available in a range of sizes and configurations, our Paper valve bags can be tailored to suit different filling systems and product requirements.
Bag Type
Paper Valve Bag / Multiwall Paper Valve Bag
Paper Layers
2–3 Ply
Paper Type
Bleached / Unbleached Kraft Paper
Capacity
8–50 kg
Valve Type
Internal / External / Ultrasonic Valve
Liner
PE Liner Optional
Printing
Up to 6 Colors
Perforation
Nano Perforation Optional
Bottom
Block Bottom
Customization
Size, Capacity, Printing, Valve and Bottom Construction
MOQ
5,000 Pieces
Production Workflow
How We Manufacture PP Valve Bags
From PP resin to finished valve bags, every production stage is carefully controlled to ensure consistent quality, accurate dimensions and reliable performance.
1
Free Bag Design
Production-ready artwork based on your requirements.
2
Plate Making
Printing plates are prepared according to the approved artwork.
3
Kraft Paper Selection
Suitable kraft paper is selected based on bag strength and application requirements.
4
Printing
Custom graphics and branding are printed on the paper layers.
5
Micro perforations
To ensure smooth and high-speed filling, we use a needle roller to create micro-perforations on the paper valve bags.
6
Tube & Multiwall Forming
Multiple paper layers are formed into a strong multiwall paper tube.
7
Valve & Bottom Making
The valve and block bottom are formed according to the required bag structure.
8
Quality Inspection
Finished bags are checked for dimensions, printing, strength and valve performance.
9
Packing & Container Loading
Finished bags are securely packed and prepared for shipment.
Paper Valve Bag Samples
Explore some of our Paper valve bag solutions developed for different products, capacities and packaging requirements.
8 kg Multiwall Paper Valve Bag for Sugar
20 kg Multiwall Paper Valve Bag for Nano Silica
25 kg Multiwall Paper Valve Bag for Tile Adhesive
50 kg Multiwall Paper Valve Bag for Dry Mortar
Why Choose Ulinkpack
As a factory-direct manufacturer, we provide customized PP valve bags with in-house production, quality control and reliable export support.
Factory Direct
Direct manufacturer with in-house production and customization capabilities.
Custom Manufacturing
Bag size, paper layers, printing, valve and liner can be customized.
Reliable Production
Focused on packaging solutions for construction, chemical and agricultural products.
Export-Oriented Service
Professional communication, sampling and container loading support for overseas buyers.
FAQ
Frequently Asked Questions
01. What are paper valve bags used for?Paper valve bags are commonly used for cement, dry mortar, tile adhesive, wall putty, gypsum powder, chemicals and other dry powder products.
02. Are paper valve bags suitable for automatic filling?Yes. Paper valve bags can be designed for high-speed automatic filling systems, with nano perforation available for faster air release.
03. How many paper layers are available?We can provide different multiwall constructions, typically from 2 to 3 paper layers, depending on the product and required strength.
04. Can you add a PE liner?Yes. An optional PE liner can be added when additional moisture protection is required.
05. Can I customize the bag size and printing?Yes. We provide customized size, capacity, paper structure, valve configuration and printing.
06. Do you provide free bag design?Yes. We can provide a free design service based on your logo, artwork and packaging requirements.
07. What is your MOQ?Our standard MOQ starts from 5,000 bags, depending on the bag specification and customization requirements.
08. Can I get samples before placing an order?Yes. Samples can be provided for evaluation before mass production. Please contact us with your required bag type and specifications to discuss sample availability.
Looking for Custom Paper Valve Bags?
Tell us your product, bag size, capacity and estimated quantity.
Our team will recommend a suitable bag structure and provide a quotation.