This product is a square-bottom Kraft paper valve bag, an industrial packaging bag specially developed for building dry powder materials.
Equipped with a standard internal valve automatic sealing structure, it can seal automatically after material filling, compatible with automatic filling equipment and greatly improving packaging efficiency.
It supports two mainstream printing processes: flexographic printing and gravure printing.
Three valve types are optional: internal valve, ultrasonic valve and external valve.
Supporting personalized customization with custom customer LOGO and graphic printing, it is designed for conventional 20kg and 25kg dry powder packaging, and supports non-standard full-size customization.
It is widely used for packaging various building dry powder products such as tile adhesive, wall putty and plaster coating.
PRODUCT FEATURES
Square bottom 3D structure
Upright and stable after filling, safe for stacking and transportation.
Automatic self-closing valve design
No manual sewing needed, highly compatible with automatic production lines.
Two printing options
Cost-effective flexo printing and high-definition delicate gravure printing.
Multiple lamination choices
For moisture-proof, dust-proof, anti-caking, tear-resistant and wear-resistant performance.
Various valve types
Including internal valve, ultrasonic valve and external valve for different filling machines.
Full-custom layout
Supporting custom logo, texts, patterns and product instructions
customized sizes
Flexible size solution with standard 20kg/25kg and customized non-standard sizes;
Widely applicable
Widely applicable for all kinds of construction dry powder and chemical powder materials
DESIGN SERVICE
We provide one-stop free layout and design service. Customers can supply logo, brand color, product parameters, warning words and instructions. We support single-sided, double-sided and multi-sided high-definition printing from single color to multi-color. Our design team optimizes layout according to different sales scenarios such as foreign trade, domestic sales, e-commerce and engineering wholesale. All packaging meets export quality standards and brand display requirements with free revision and free typesetting.
Share your inquiry, sketches or drawings of rice sacks with us. We will offer quotation and custom packaging solutions based on your artwork.
Samples of rice sacks are available for checking quality and artwork effect. Mass production starts once samples get confirmed.
Mass production will be carried out based on approved samples. Stable production lines guarantee consistent quality and on-time shipment.
All rice sacks will be fully inspected. Qualified products are packed and prepared for shipment.
PRODUCT SPECIFICATIONS
| Material | Kraft paper valve bag |
| Bag Type | Square bottom valve bag, 3D forming structure |
| Sealing Method | Internal valve automatic self-sealing |
| Optional Valve | Internal valve, ultrasonic valve, external valve |
| Printing | Flexo printing / gravure printing, custom logo printing |
| Standard Size | 20kg: 35*45*10cm; 25kg: 45*50*10cm |
| Customization | Custom size, layout and processing available |
| Application | Tile adhesive, wall putty, plaster coating, dry mortar and various construction powder materials |
| Perforation | 80-125 Nm3/h @50Mbar or As per customer’s requirements |
COMPANY PROFILE
We are a professional manufacturer specializing in PP woven valve bags and industrial laminated packaging bags.
We own complete integrated production lines for weaving, lamination, printing and bag making.
With years of experience in construction and chemical powder packaging, we implement strict full-process quality control to ensure stable quality and on-time delivery.
We support OEM & ODM customized orders and serve global clients for export, independent website sales, e-commerce and offline wholesale.
We provide reliable one-stop packaging solutions with stable quality, competitive price and professional service.
STAGE 01: HIGH-SPEED CIRCULAR LOOM WEAVING
Continuous High-Tensile Tubular PP Fabric Weaving
STAGE 02: FABRIC ROLL WINDING&QUALITY INSPECTION
High-Capacity Roll Take-Up & Constant Tension Control
STAGE 03: RAW WOVEN ROLL INVENTORY WAREHOUSE
High-Density Storage for Uninterrupted Mass Production
STAGE 04: HIGH-SPEED MULTI-COLOR GRAVURE PRINTING
High-Speed Precision Printing with Computerized Registration
STAGE 05: PRECISION EXTRUSION LAMINATION
Uniform Polymer Coating for Maximum Moisture & Water Protection
STAGE 07: AUTOMATED BLOCK BOTTOMING & VALVE INSERTION
Ad*Star Type Heat-Sealed Bottom Forming & Valve Sleeve Insertion
FACTORY VISIT
TRUSTED BY GLOBAL CLIENTS
FACTORY AUDIT &PARTNERSHIP
Welcoming International Packaging Distributors & Industrial Buyers Worldwide
FAQ
Please provide your design or logo in any kinds of formats like ,AI,PDF so on for us by email.
Please provide us the Qty, Size, Color, Package, Material of your customized items .
Then we will depend on your requirement to quote. We also can depend on your artwork to make design sketch for you to reference.
(1) If you need our existing samples, we can provide it for free, But pls pay the express charge by yourself.
(2). If you need make your own design, Please let us know. The sample time is 5-7 days
A: 100% payment if total amount below US$1000
B: 30% deposit and 70% before shipping after inspection. TT, West Union, L/C is accepted.
1). 24 hours pricing and custom design sketch design service.
2). High quality, Eco-friendly material, EN71,SGS passed.
3). Workers with years of experience on our production line.
4). Professional skill and service will be provided to you.
