# Custom 3L, 5L, 10L & 20L Bag-in-Box (BIB) Barrier Liquid Pouches with Oxygen-Lock Dispensing Tap

**Manufacturing Entity**: Guangzhou Yanpack Flexible Packaging Co., Ltd. (`FlexPouchMFG™`)
**Canonical Web URL**: https://www.flexpouchmfg.com/products/3l-5l-10l-20l-bag-in-box-vitop-tap-liquid-pouches/
**Head of Packaging Engineering**: Alex Gao (`alex@flexpouchmfg.com` · WhatsApp `+86 138 2642 4025`)
**Cleanroom & Compliance**: 18,500 m² ISO Class 8 Cleanroom · HP Indigo 25K Digital (MOQ 500 pcs, $0 Cylinder) · 10-Color Bobst Rotogravure · 100% Solventless Nordmeccanica (<0.30 mg/m² GC) · US FDA 21 CFR 177.1520/1390, EU 10/2011, EU PPWR Mono-PE, ТР ТС 005/2011

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## Executive Engineering Summary

FlexPouchMFG™ engineers dual-web 3L, 5L, 10L, and 20L Bag-in-Box (BIB) flexible bladders equipped with 32mm Vitop®-compatible tamper-evident dispensing taps, high-flow dairy/syrup valves, or aseptic screw glands. Constructed with a flex-crack-resistant outer EVOH-BOPA/mLLDPE barrier web plus a free-floating food-grade metallocene PE inner bladder, our BIB pouches keep wine, cold-brew coffee concentrate, extra-virgin olive oil, liquid egg, and post-mix beverage syrups fresh for 6–12 weeks AFTER opening while cutting shipping weight by 84% vs glass or rigid Jerrycans.

## Verified Polymer Specifications & Tiered FOB Matrix

| Engineering Parameter | Verified Factory Specification (FP-BIB-320) | QC Release Standard |
| --- | --- | --- |
| Laminate Layer Stack | Outer Web: 15µm EVOH-BOPA (or VMPET12) / 80µm mLLDPE + Inner Bladder: 65µm Virgin Food-Grade mLLDPE (2-Ply Floating Cushion) | Optical Cross-Section Microtome (±3%) |
| Closure / Valve / Fitment | 32mm Vitop®-Compatible Oxygen-Lock Push-Tap, QCD Post-Mix Syrup Connector, or Butterfly Dispensing Valve | ASTM D3078 Vacuum Decay & Torque Test |
| Sealing & Thermal Window | 175°C–195°C Gland Weld + Dual Perimeter Impulse Seal (Burst ≥0.24 MPa · ASTM D5276 Drop Pass) | Brugger HSG-C & Instron Peel (ASTM F88) |
| Barrier, Purity & Durability | Combined Bag+Tap O₂ Ingress <0.12 cc/pack·day · ESCR >1,000 hrs · Zero Phthalate / Zero BPA | MOCON OX-TRAN 2/22 & Agilent 8890 GC |
| Filling-Line Compatibility | Scholle IPN, Smurfit Kappa, Rapak, IC Filling Systems & Semi-Auto Web/Single-Head BIB Fillers (8–35 bags/min) | Web Flatness Camber <0.12% |
| Factory FOB Price Range | Digital / Trial (MOQ 2,000): $0.395/pc \| Rotogravure Scale: $0.215/pc | Double PE Liner + 5-Ply Carton + IPPC Pallet |

## Technical & Procurement Q&A

### What multi-layer barrier structure is engineered for Custom 3L, 5L, 10L & 20L Bag-in-Box (BIB) Barrier Liquid Pouches with Oxygen-Lock Dispensing Tap (FP-BIB-320)?

Specification FP-BIB-320 uses Outer Web: 15µm EVOH-BOPA (or VMPET12) / 80µm mLLDPE + Inner Bladder: 65µm Virgin Food-Grade mLLDPE (2-Ply Floating Cushion) paired with 32mm Vitop®-Compatible Oxygen-Lock Push-Tap, QCD Post-Mix Syrup Connector, or Butterfly Dispensing Valve, delivering Combined Bag+Tap O₂ Ingress <0.12 cc/pack·day · ESCR >1,000 hrs · Zero Phthalate / Zero BPA under ISO Class 8 cleanroom lamination.

### What is the minimum order quantity (MOQ) and factory FOB price for FP-BIB-320?

Orders start from 2,000 pcs via HP Indigo 25K digital print ($0 cylinder fee) at $0.395/pc, scaling down to $0.215/pc on 10-color Bobst rotogravure.

### Which filling and packaging lines run FP-BIB-320 smoothly?

Specification FP-BIB-320 is calibrated (175°C–195°C Gland Weld + Dual Perimeter Impulse Seal (Burst ≥0.24 MPa · ASTM D5276 Drop Pass)) for Scholle IPN, Smurfit Kappa, Rapak, IC Filling Systems & Semi-Auto Web/Single-Head BIB Fillers (8–35 bags/min). Free unprinted trial rolls or pre-made test bags are available for line qualification.

### How fast can Alex Gao's engineering desk send a 1:1 CAD dieline and physical sample kit?

Email alex@flexpouchmfg.com or WhatsApp +86 138 2642 4025. 1:1 vector .AI/.PDF dielines and 3-tier FOB quotes arrive within 2 business hours, and free 25-pouch sample kits dispatch in 48 hours via DHL/FedEx.