Premium Black Coffee Bags with Valve Manufacturer
Premium Black Flat Bottom Coffee Bags with Valve - Ultimate Freshness for Roasted Coffee
Foshan Ruihong Industry & Trade Co., Ltd., a trusted flexible packaging manufacturer with 8 years of experience and 80-100 million RMB annual sales, introduces our Premium Black Flat Bottom Coffee Bags with Valve—engineered to preserve the peak freshness of roasted coffee beans. The sleek black design exudes sophistication, while the integrated one-way degassing valve effectively releases CO2 and blocks oxygen, preventing staleness and maintaining aroma.
Equipped with 4 advanced gravure printing lines (including 11-color machines for high-precision branding), we offer custom printing options to showcase your logo, coffee origin, and brewing details. Our black coffee bags feature multi-layer high-barrier materials (PET/AL/PE) that resist moisture, light, and oxygen, extending the shelf life of your coffee products. Backed by 55 production machines and 6 strict quality inspection systems, all bags meet FDA, SGS, and ISO9001 standards, making them ideal for coffee roasters, specialty coffee brands, and distributors worldwide.
The flat bottom structure ensures stable standing on shelves, enhancing product visibility. Additional customizable features (resealable zippers, tear notches, clear windows) cater to your specific needs. Enjoy competitive bulk pricing and reliable delivery to support your coffee business operations.
| Parameter | Details |
|---|---|
| Bag Type | Flat Bottom Coffee Bag (black finish, with one-way degassing valve) |
| Capacity | Customizable (250g, 500g, 1kg, 2kg for roasted coffee beans/ground coffee) |
| Material | PET/AL/PE, PET/VMPET/PE, Black Kraft Paper/PET/AL/PE (high barrier, light-proof) |
| Size | Customized according to capacity & branding requirements |
| Thickness | 90-160mic (enhanced barrier for freshness preservation) |
| Printing | Gravure Printing (7-11 colors, high-precision black base & custom branding) |
| Custom Features | One-Way Degassing Valve (standard), Zip Lock, Resealable, Tear Notch, Window (Clear/Matte), Moisture-Proof, Oxygen Barrier, Light-Proof |
| MOQ | 5000 pieces (bulk orders enjoy preferential prices) |
| Lead Time | 15-17 working days (bulk order); 3-5 working days (sample) |
| Certifications | FDA, SGS, ISO9001 |
| Packaging | Standard export carton packaging (custom packaging available) |
| Payment Terms | T/T (30% deposit, 70% against BL copy), L/C |
| Shipping | By sea, air, or express (DHL, FedEx, UPS) - door-to-door service available |
Frequently Asked Questions
1. What is the function of the one-way degassing valve?
The one-way degassing valve releases CO2 produced by freshly roasted coffee beans (a natural process called "degassing") while preventing oxygen from entering the bag. This maintains coffee freshness, avoids bag bulging, and preserves the original aroma and flavor.
2. Can the black color prevent light damage to coffee?
Yes. The black base material or black ink printing provides excellent light-proof performance, blocking UV rays and visible light that can degrade coffee quality (e.g., oxidation, flavor loss). It’s ideal for preserving specialty and roasted coffee.
3. Are the bags resealable after opening?
Yes. We can add a high-quality zip lock to the bags, allowing consumers to reseal them after opening, further extending the freshness of unused coffee beans or ground coffee.
4. Can I customize the position of the degassing valve?
Absolutely. The degassing valve can be placed on the top, side, or bottom of the bag according to your design preferences. Our engineering team will optimize the position to ensure optimal degassing efficiency.
5. What is the shelf life extension provided by these bags?
With high-barrier materials and the one-way degassing valve, our black coffee bags can extend the shelf life of roasted coffee beans by 6-12 months (depending on storage conditions), significantly longer than standard packaging.
