Custom Quad Seal Bag with Valve | Food-Grade Barrier Packaging Manufacturer

As a premier China supplier of industrial-grade custom quad seal bag with valve, we deliver food-grade pouch packaging solutions with military-grade barrier protection. ✅ FDA & EC1935/2004 certified ✅ 360° hermetic sealing ✅ 200μm multi-layer laminate ✅ Custom valve positioning ✅ MOQ 5,000 units

Engineered for high-volume heavy duty barrier pouch applications, our valve-integrated design achieves <0.01% gas leakage. Request Free Sample →


Technical Specifications

Material Composition 15μm PET / 12μm AL / 70μm PE
Valve Type One-way degassing valve (ISO 9001 certified)
O₂ Transmission Rate <0.03 cc/m²/day (ASTM D3985)
Max Load Capacity 25kg (ASTM D5276)
Valve Flow Rate 5-7 L/min @ 0.5kPa
Operating Range -40°C to 130°C

Customization Parameters

Precision Engineering Options

  • ✔ Bag Dimensions: 200-1000mm(W) x 300-1500mm(H)
  • ✔ Valve Sizes: Φ20mm/Φ35mm/Φ50mm
  • ✔ Laminate Thickness: 150-300μm
  • ✔ Printing: 10-color HD flexography
  • ✔ Valve Material: FDA-grade PP/PE composite
  • ✔ MOQ Flexibility: 5,000-50,000 units

Industry Applications

Mission-Critical Packaging Solutions

  • ☕ Coffee Roasting: 99.7% CO₂ retention for 24hr degassing cycles
  • 🛢️ Chemical Packaging: 0 ppm VOC emission in 12-month storage tests
  • ⚕️ Medical Sterilization: Passed ISO 11607-1 validation

Discover more technical specifications in our quad seal pouches technical library.


Why Foshan Ruihong?

2013-Founded Industrial Expertise

  • 🏭 18,000㎡ automated production complex
  • 🔬 23 patented valve technologies
  • 📦 72hr rapid prototyping service
  • 🌐 Serving 37 countries since 2015

“The precision valve alignment eliminated our 2.3% defect rate completely.”
– Maria Gomez, Packaging Director @ CoffeeTech Global


FAQ

Q: Minimum order quantity?

A: 5,000 units for standard designs, 10,000 units for custom valve configurations.

Q: Lead time for bulk orders?

A: 18-25 days depending on complexity (50% faster than industry average).

Q: Certifications available?

A: All products come with FDA, EU 10/2011, and ISO 22000 certificates.

Q: Custom valve testing options?

A: We provide leak test reports meeting ASTM F2097 standards.



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