What Is a BOPP Laminated Kraft Paper Valve Bag?
A BOPP Laminated Kraft Paper Valve Bag is designed for packaging powders, granules, and other dry bulk materials.
It combines the strength of multi-wall kraft paper with the excellent printing performance and surface protection of BOPP film. The valve opening allows fast and efficient filling through automatic or semi-automatic packing equipment.
These bags are widely used for chemicals, fertilizers, minerals, animal feed, pet food, food ingredients, and construction materials.
Product Features
| Feature | Description |
|---|---|
| Material | BOPP Film + Kraft Paper |
| Bag Type | Valve Bag |
| Surface | Glossy or Matte |
| Printing | Custom Multi-Color Printing |
| Filling Method | Automatic or Semi-Automatic |
| Capacity | Customized |
| Application | Powder, Granules and Dry Bulk Materials |
| OEM Service | Available |
Key Benefits
| Benefit | Description |
|---|---|
| High-Quality Printing | BOPP film provides clear graphics and bright colors. |
| Strong Construction | Multi-wall kraft paper provides good strength and durability. |
| Moisture Protection | BOPP lamination provides additional protection against moisture. |
| Efficient Filling | Valve opening supports fast filling operations. |
| Custom Branding | Suitable for logos, product information and full-color printing. |
| Premium Appearance | Glossy or matte BOPP surfaces provide a professional look. |
Available Bag Structure
A BOPP laminated kraft paper valve bag can be customized according to product requirements.
| Layer | Material | Function |
|---|---|---|
| Outer Layer | Printed BOPP Film | Printing and surface protection |
| Paper Layer | Kraft Paper | Strength and support |
| Optional Layer | Additional Kraft Paper | Increased strength |
| Inner Layer | PE Film or PE Liner | Moisture and product protection |
| Valve | Paper or Customized Material | Product filling |
Available Customization Options
| Option | Available Choices |
|---|---|
| Bag Size | Customized |
| Filling Capacity | Customized |
| Kraft Paper Layers | 2 Layers / 3 Layers / 4 Layers |
| BOPP Surface | Glossy / Matte |
| Printing | Custom Design / Multi-Color |
| Inner Protection | PE Layer / PE Liner |
| Moisture Barrier | Available |
| Valve Type | Customized |
| Surface Finish | Glossy / Matte |
Typical Applications
BOPP laminated kraft paper valve bags are suitable for a wide range of dry bulk products.
| Industry | Typical Products |
|---|---|
| Chemicals | Chemical Powders and Granules |
| Fertilizers | Fertilizer and Soil Products |
| Minerals | Calcium Carbonate and Mineral Powders |
| Animal Feed | Feed Additives and Feed Materials |
| Pet Food | Dry Pet Food Ingredients |
| Food Ingredients | Flour, Starch and Other Dry Ingredients |
| Construction | Cement, Tile Adhesive and Dry Mortar |
| Industrial Materials | Various Powders and Granules |
Printing Options
BOPP lamination provides an excellent surface for high-quality printing and brand presentation.
| Printing Option | Description |
|---|---|
| Company Logo | Custom brand logo printing |
| Product Information | Product details and instructions |
| Multi-Color Printing | Customized colors and graphics |
| High-Resolution Graphics | Clear product and brand presentation |
| Glossy Finish | Bright and premium appearance |
| Matte Finish | Modern and professional appearance |
| QR Code | Product and traceability information |
Valve Options
Different valve designs can be selected according to the product and filling equipment.
| Valve Option | Application |
|---|---|
| Open Valve | General filling applications |
| Self-Closing Valve | Helps close the valve after filling |
| Extended Sleeve Valve | Suitable for selected filling equipment |
| Customized Valve | Designed according to customer requirements |
Why Choose BOPP Laminated Kraft Paper Valve Bags?
| Advantage | Benefit |
|---|---|
| Strong Kraft Paper Structure | Reliable performance during handling and transportation |
| BOPP Laminated Surface | Improved appearance and surface protection |
| Premium Printing | Stronger product and brand presentation |
| Valve Filling | Faster and more efficient packing |
| Custom Structure | Suitable for different products and applications |
| Multiple Industries | Suitable for powder and granular products |