Products

Custom Muti Kraft Paper Valve Bags
Our multi-wall kraft paper valve bags, also known as valve sacks, are professional packaging solutions for dry powder building materials.
This type of paper bag adopts a valve mouth design, which fits automatic filling machines widely used in powder factories. Constructed with multiple layers of premium kraft paper, our valve bags have strong tear resistance and good moisture resistance during pallet transport and warehouse storage.
We provide full customization including bag size, number of paper plies, custom logo and full-color artwork printing. Common capacities are 20kg and 25kg, which are widely used for gypsum plaster, wall putty, dry mix mortar and other building powder products.
Our valve paper bags are manufactured in our own factory with strict quality inspection. We serve construction material manufacturers, powder factories and bulk importers worldwide. Contact us to get your free quotation. :)




✅ Multi-layer kraft paper construction, high tensile & burst strength
✅ Special valve opening design for automatic filling
✅ Custom size, paper layers and full-color printing with your brand logo
✅ Good moisture resistance for dry powder storage & long-distance shipment
✅ Stackable on pallets, stable for warehouse storage
✅ Available for 20kg, 25kg powder packaging
✅ OEM & ODM service support
Product Specifications
• Material: Multi-wall kraft paper (2-ply /3-ply /4-ply optional) /pp woven fabric /Paper-plastic composite material
• Capacity: 20kg, 25kg (custom size available)
• Printing: Flexo printing, custom logo & artwork
• Feature: Valve mouth for auto filling, high tear resistance
• Application: Gypsum plaster, wall putty, dry mix mortar, building powder,cement
• MOQ: Negotiable
• Packing: Packed on pallets
Application
Our valve sacks are mainly used for packing dry construction powder:
• Wall Putty 腻子粉
• Gypsum Plaster / Wall Leveling Compound 找平石膏
• Dry Mix Mortar 干粉砂浆
• Cement-based powder materials 水泥基粉料
• Other industrial fine powder
Custom Service
We offer one-stop custom service for paper valve bags.
You can customize the bag dimension, paper ply quantity, printing colors and artwork according to your product requirement.
Our design team can help you make packaging artwork. We accept OEM brand printing for your private label.
FAQ
Q1: What is a paper valve bag?
A: Valve bag is a special sack with an inlet valve on the corner. Powder material can be filled automatically through the valve without sewing or heat sealing after filling. It is widely used for building powder packaging.
Q2: Can I print my own logo on the valve sacks?
A: Yes. Custom logo, brand image and multi-color printing are supported.
Q3: What sizes are available?
A: Standard 20kg and 25kg sizes in stock, custom dimensions are acceptable.
Q4: What is your MOQ?
A: Minimum order quantity is negotiable, contact us for details.
Q5: Can the bags resist moisture during sea shipping?
A: We can add inner PE film layer for extra moisture-proof requirement for overseas shipment.
Contact
Tel/Whatsapp/Wechat: +86 15858772307
Email: 1486999601@qq.com
Hot Tags: Custom Muti kraft paper Valve bags Custom Chemical packaging bags PP woven bags for chemical powder Industrial multi-wall paper bags manufacturer Woven polypropylene sacks

