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| Type | Valve Packaging Bag、Industrial Valve Bag、Automatic Filling Valve Bag、Self-Closing Valve Bag、Internal Valve Bag、PP Woven Valve Bag | Model | Valve Packaging Bag、Industrial Valve Bag、Automatic Filling Valve Bag、Self-Closing Valve Bag、Internal Valve Bag、PP Woven Valve Bag |
| Params | Material options: Multiple material configurations; OPP film lamination, standard paper‑plastic composite, 3‑ply paper with inner film, 2‑ply paper without film, etc. Size: Customizable Printing: Custom color printing, fade‑resistant ink Performance: High water resistance, moisture‑proof, air‑permeable, light‑proof, drop‑shock resistant (performance varies by material; film‑lined version for water & moisture resistance, non‑film version breathable but non‑waterproof | Material | Material Options: Multiple structures available: OPP film laminated composite, standard paper‑plastic composite, 3‑ply paper with inner PE film, 2‑ply paper without inner film. Film‑lined version offers water and moisture resistance; non‑film version is breathable but non‑waterproof. |
| Applicable Industry | Food starch powder, chemical powder, building‑material powder, pigment powder, plastic powder, various industrial powder material packaging | ||
Adhesive‑sealed valve bag process, suitable for automatic powder filling, self‑locking sealing after filling Various material solutions available: OPP lamination, 3‑ply paper with inner film, 2‑ply paper without film, to balance water‑barrier, moisture‑proof and breathable performance as required Drop‑shock resistant, low breakage during handling; fade‑resistant ink delivers stable, clear printing Customizable size, material structure and pattern printing, flexible MOQ Direct from source factory, compatible with powder packaging lines for food, chemical, building‑material and other industries

Valve Packaging Bag

PP Woven Valve Bag

Industrial Valve Bag

Automatic Filling Valve Bag