Custom Coffee Bags with Valve for Freshness Preservation
- ✓ FDA Certified Food-Grade Materials
- ✓ One-Way Degassing Valve Technology
- ✓ Custom Sizes from 100g to 5kg Capacity
Why Choose Our Coffee Valve Bags?
Advanced Aroma Preservation
Patented one-way valve maintains coffee freshness up to 18 months, with 0.02cc/day oxygen transmission rate
Premium Custom Printing
10-color HD flexographic printing with 0.1mm registration accuracy, supporting Pantone® color matching
Eco-Certified Materials
SGS certified food-grade PET/AL/PE composites, compliant with FDA 21 CFR & EU 10/2011
Precision Engineering for Freshness Preservation
Valve Mechanism
- ✓ 304 Stainless Steel Core
- ✓ CO₂ One-Way Release
- ✓ ISO 9001 Certified
🔍 Zoom
Sealing Technology
| Seal Layers: | 3-Layer PE Composite |
| Seal Strength: | ≥35N/15mm |
| Temp Range: | -20°C to 120°C |
Oxygen Barrier <0.5cc/m²/day
Material Structure
PET(12μm)/AL(7μm)/PE(60μm)
Moisture Barrier: 0.8g/m²/day
FDA 21 CFR Compliant
Technical Specifications
| Parameter | Specification | Test Standard |
|---|---|---|
| Material Structure | PET(12μm)/AL(7μm)/PE(60μm) | ASTM F2029 |
| Oxygen Transmission Rate | <0.5 cc/m²/day | ASTM D3985 |
| Seal Strength | ≥35N/15mm | ASTM F88 |
| Valve Flow Rate | 0.2-0.5 L/min | ISO 4638 |
| Temperature Resistance | -20°C ~ 120°C | ASTM D1790 |
