# 15kg, 20kg & 25kg Reverse-Printed BOPP Laminated Woven PP Sacks & Heavy-Duty Pinch-Bottom Bags

**Manufacturing Entity**: Guangzhou Yanpack Flexible Packaging Co., Ltd. (`FlexPouchMFG™`)
**Canonical Web URL**: https://www.flexpouchmfg.com/products/20kg-25kg-bopp-laminated-woven-pp-heavy-pet-seed-sacks/
**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

***

## Executive Engineering Summary

FlexPouchMFG™ manufactures photographic 10-color reverse-printed BOPP laminated circular and back-seam woven polypropylene (WPP) sacks, pinch-bottom hot-melt step-cut bags, and heavy 185µm PE/BOPA/PET quad-seal breeder bags rated for 15kg, 20kg, and 25kg (35lb–55lb) bulk loads. Designed for breeder dog/cat kibble, wild bird & grass seed, basmati rice, specialty flour, mineral cat litter, and turf fertilizers.

## Verified Polymer Specifications & Tiered FOB Matrix

| Engineering Parameter | Verified Factory Specification (FP-WPP-250) | QC Release Standard |
| --- | --- | --- |
| Laminate Layer Stack | 21µm Reverse-Printed Matte/Gloss BOPP / 22gsm Extrusion PP Tie / 85–110gsm Virgin Circular Woven PP + Optional 40µm Food PE Inner Liner | Optical Cross-Section Microtome (±3%) |
| Closure / Valve / Fitment | Easy-Open Pull-Tab Stitching, Hot-Melt Pinch-Bottom Step-Cut, Top Slider Zipper, or Ultrasonic Valve Port | ASTM D3078 Vacuum Decay & Torque Test |
| Sealing & Thermal Window | Hot-Air Pinch Closure 210°C or Heavy Chain-Stitch + Crepe Tape · Tensile Strength ≥950 N/50mm (ISO 13934) | Brugger HSG-C & Instron Peel (ASTM F88) |
| Barrier, Purity & Durability | Outer Pallet Anti-Slip COF ≥0.48 · UV-Stabilized 800-Hour QUV Outdoor Option · FDA Food-Grade Inner PE | MOCON OX-TRAN 2/22 & Agilent 8890 GC |
| Filling-Line Compatibility | Bühler, Premier Tech Chronos, Haver & Boecker, Statec Binder & Concetti Open-Mouth Heavy Baggers | Web Flatness Camber <0.12% |
| Factory FOB Price Range | Digital / Trial (MOQ 3,000): $0.490/pc \| Rotogravure Scale: $0.245/pc | Double PE Liner + 5-Ply Carton + IPPC Pallet |

## Technical & Procurement Q&A

### What multi-layer barrier structure is engineered for 15kg, 20kg & 25kg Reverse-Printed BOPP Laminated Woven PP Sacks & Heavy-Duty Pinch-Bottom Bags (FP-WPP-250)?

Specification FP-WPP-250 uses 21µm Reverse-Printed Matte/Gloss BOPP / 22gsm Extrusion PP Tie / 85–110gsm Virgin Circular Woven PP + Optional 40µm Food PE Inner Liner paired with Easy-Open Pull-Tab Stitching, Hot-Melt Pinch-Bottom Step-Cut, Top Slider Zipper, or Ultrasonic Valve Port, delivering Outer Pallet Anti-Slip COF ≥0.48 · UV-Stabilized 800-Hour QUV Outdoor Option · FDA Food-Grade Inner PE under ISO Class 8 cleanroom lamination.

### What is the minimum order quantity (MOQ) and factory FOB price for FP-WPP-250?

Orders start from 3,000 pcs via HP Indigo 25K digital print ($0 cylinder fee) at $0.490/pc, scaling down to $0.245/pc on 10-color Bobst rotogravure.

### Which filling and packaging lines run FP-WPP-250 smoothly?

Specification FP-WPP-250 is calibrated (Hot-Air Pinch Closure 210°C or Heavy Chain-Stitch + Crepe Tape · Tensile Strength ≥950 N/50mm (ISO 13934)) for Bühler, Premier Tech Chronos, Haver & Boecker, Statec Binder & Concetti Open-Mouth Heavy Baggers. 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.