PP valve bags (Block Bottom valve bags) are packaging bags featuring a square base and a valve opening at the top; they are primarily used for packaging powdery and granular materials.
Main Application Areas: Cement, dry-mix mortar, gypsum plaster, tile adhesive, putty powder, animal feed, fertilizers, chemical raw materials, etc.
Key Advantages
High Packaging Efficiency: Utilizing specialized filling equipment that feeds through a valve opening, this system enables rapid filling and automatic sealing without the need for additional sealing steps, boosting packaging efficiency by nearly 50% compared to traditional methods.
Convenient Transport and Storage: Once filled, the bags form a uniform cubic shape that stacks neatly and stably; this maximizes the utilization of warehouse and transport space, thereby enhancing overall logistics efficiency.
Secure, Reliable, and Moisture-Proof Sealing: Boasting a strong load-bearing capacity, the valve-port design ensures a tight seal during the filling process. This effectively prevents moisture ingress, material clumping, and dust dispersion, thereby safeguarding product quality.
Eco-Friendly and Recyclable: Primarily manufactured from renewable paper-based materials—with certain components being recyclable—these bags fully comply with environmental protection standards.
Aesthetically Pleasing and Practical: The surface is highly suitable for printing, allowing for clear graphics and text that serve the dual purpose of product identification and promotional branding.
Thanks to their high efficiency, durability, and eco-friendly attributes, valve bags have become the mainstream packaging choice for powdery and granular materials across a wide range of industries, including construction materials, chemicals, and food products.
PP valve bags (Block Bottom valve bags) are packaging bags featuring a square base and a valve opening at the top; they are primarily used for packaging powdery and granular materials.
Main Application Areas: Cement, dry-mix mortar, gypsum plaster, tile adhesive, putty powder, animal feed, fertilizers, chemical raw materials, etc.
Key Advantages
High Packaging Efficiency: Utilizing specialized filling equipment that feeds through a valve opening, this system enables rapid filling and automatic sealing without the need for additional sealing steps, boosting packaging efficiency by nearly 50% compared to traditional methods.
Convenient Transport and Storage: Once filled, the bags form a uniform cubic shape that stacks neatly and stably; this maximizes the utilization of warehouse and transport space, thereby enhancing overall logistics efficiency.
Secure, Reliable, and Moisture-Proof Sealing: Boasting a strong load-bearing capacity, the valve-port design ensures a tight seal during the filling process. This effectively prevents moisture ingress, material clumping, and dust dispersion, thereby safeguarding product quality.
Eco-Friendly and Recyclable: Primarily manufactured from renewable paper-based materials—with certain components being recyclable—these bags fully comply with environmental protection standards.
Aesthetically Pleasing and Practical: The surface is highly suitable for printing, allowing for clear graphics and text that serve the dual purpose of product identification and promotional branding.
Thanks to their high efficiency, durability, and eco-friendly attributes, valve bags have become the mainstream packaging choice for powdery and granular materials across a wide range of industries, including construction materials, chemicals, and food products.
|
Product |
PP Valve Bag |
|
Material |
100% virgin PP |
|
Color |
White, red, yellow or as per customer's requirements |
|
Printing |
A. Coating & Plain bags: Max. 4 colors B. BOPP film bags: Max. 10 colors |
|
Width |
30-70cm |
|
Mesh |
7*7- 14*14 |
|
Denier |
650D to 1500D |
|
GSM |
50gsm- 80gsm |
|
Top |
Valve Spout |
|
Bottom |
Square / Flat Bottom |
|
Treatment |
A. UV treated or as per customer's requirements B. With Laminated or With Bopp Laminated or as per customer's requirements |
|
Surface Dealing |
Anti-slip or plain or laminated/Coated |
|
Application |
Cement Mortar Gypsum. Tile adhesive, putty powder, fertilizer, chemicals, feed |
|
Packaging |
100pcs/bundle, 1000pcs/bale, or as customers' requirements |
|
Product |
PP Valve Bag |
|
Material |
100% virgin PP |
|
Color |
White, red, yellow or as per customer's requirements |
|
Printing |
A. Coating & Plain bags: Max. 4 colors B. BOPP film bags: Max. 10 colors |
|
Width |
30-70cm |
|
Mesh |
7*7- 14*14 |
|
Denier |
650D to 1500D |
|
GSM |
50gsm- 80gsm |
|
Top |
Valve Spout |
|
Bottom |
Square / Flat Bottom |
|
Treatment |
A. UV treated or as per customer's requirements B. With Laminated or With Bopp Laminated or as per customer's requirements |
|
Surface Dealing |
Anti-slip or plain or laminated/Coated |
|
Application |
Cement Mortar Gypsum. Tile adhesive, putty powder, fertilizer, chemicals, feed |
|
Packaging |
100pcs/bundle, 1000pcs/bale, or as customers' requirements |





