Custom Printed 25kg PP Laminated Valve Bag With Dust-Proof Valve Closure for Industrial Powders
Our laminated woven valve bag is designed for fast and dust-tight filling of powdery materials. The valve closure allows high speed filling and self-seals after filling, eliminating sewing operations and greatly improving packing efficiency. The PP woven fabric is laminated for moisture protection and high-definition printing, while the dense weave provides reliable strength for stacking and long distance shipping. Widely used for cement, putty powder, gypsum powder, lime, feed powder and chemical powders.
5.0
Port:
Guangxi Nanning, China
MOQ:
5,000 pcs (custom printing)
Payment:
T/T, L/C, Western Union
Sample:
Free sample available, shipping cost paid by customer before shipment
Lead Time:
15-25 days after sample confirmation
Shipping:
Sea freight / Air freight(Sample ) / Express(Sample)
design customization
Please fill out the form below to request a quote or to request more information about us. Please be sure to upload customized requirement documents or pictures, and we will get back to you as soon as possible with a response. we're ready to start working on your new project, contact us now to get started.
Please fill out the form below to request a quote or to request more information about us. please be as detailed as possible in your message, and we will get back to you as soon as possible with a response. we're ready to start working on your new project, contact us now to get started.
Product Features
Valve Closure Design
The valve closure enables high speed filling with rotary or impeller packing machines and self-seals under material pressure after filling, eliminating sewing operations and keeping the bag dust-tight.
Laminated Woven Fabric
The PP woven fabric is laminated with a film layer on the surface, providing moisture protection and a smooth base for high-definition multi-color printing, ideal for branded retail packaging.
Dust-Tight & Sift-Proof
The lamination seals the weave pores, preventing fine powder from sifting through the bag surface and protecting hygroscopic products such as putty and cement from moisture.
Heavy Duty Woven Strength
High density PP woven fabric resists tearing and stacking stress, built for heavy building materials and powder products across long distances.
Custom Sizes & Printing
Custom sizes from 5kg to 50kg with different valve types, lamination options and full color printing to match your product and brand requirements.
Product Specifications
| Material | Laminated polypropylene (PP) woven fabric |
| Fabric Weight | 50 gsm - 120 gsm (customizable) |
| Lamination | Single-side / Double-side available |
| Base Color | Custom colors & multi-color printing available |
| Bag Type | Woven valve bag (internal / external / folded valve) |
| Capacity | 5 kg - 50 kg (custom sizes available) |
| Width | 30 cm - 60 cm (customizable) |
| Length | 45 cm - 90 cm (customizable) |
| bottom gusset | 8 cm - 18 cm (customizable) |
| Printing | Multi-color gravure / flexographic printing available |
| Closure | Valve closure (self-sealing after filling) |
| Tensile Strength | High strength woven fabric, test reports available on request |
| Certification | ISO 9001 |
Customization Options
Fabric & Weight Options
Adjust PP fabric GSM and density to balance bag strength and cost for different powder products, with laminated or unlaminated options.
Printing Customization
Multi-color gravure or flexographic printing for brand logo, product information and barcodes. Provide AI / PDF design files.
Valve Type & Size
Custom valve types (internal, external, folded) and valve sizes (e.g. 90 x 130 mm, 100 x 150 mm) to match your filling equipment.
Inner Liner Options
Install PE inner liner for complete moisture proof and dust proof protection for fine powders and hygroscopic products.
OEM / ODM Support
We provide full private label service and tailor made valve bag solutions for building materials, chemical and agricultural markets.
Frequently Asked Questions
1
What is the advantage of a valve bag?
The valve closure allows high speed filling and self-seals after filling, eliminating sewing or closing operations. It provides a dust-tight seal that prevents powder leakage.
2
What valve types are available?
Internal valve, external valve and folded valve types are available, with custom valve sizes to match your filling machine.
3
What products are these bags suitable for?
They are widely used for cement, putty powder, gypsum powder, lime, feed powder and other fine powder materials.
4
Can the size and structure be customized?
Yes. Custom sizes from 5kg to 50kg, laminated or unlaminated fabric, and different valve types are available.
5
Do you provide free samples?
Yes, free samples are available with shipping cost paid by the customer. Lead time is 15-25 days after sample confirmation.
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