Pasted Valve Stepped End (PVSE)
Filled through a self-closing valve sleeve for tight, square pallets and clean running on rotary and inline valve packers.
Quote PVSE
Kraft sacks20–50 kg capacities
Multi-wall paper sacks for clean, fast filling.
Multi-ply virgin kraft packaging for flours, starches, food ingredients, cementitious binders and fine chemicals — with high-speed valve filling and moisture-barrier options.
2–6 plyKraft constructions
20–50 kgCertified capacities
8-colourFlexo printing
Sack architecture
Three constructions, one goal: no dust, no failures.
Semi-extensible, micro-creped high-porosity kraft plies for drop strength, moisture protection and rapid de-aeration.
Sewn Open Mouth (SOM)
Reinforced sewn base with crepe tape; open top for field sewing or tape closure. Built for feed, seed, pet food and granular goods.
Quote SOMPinch Bottom Open Mouth (PBOM)
Stepped plies sealed with heat-activated hot-melt — zero thread holes for sift-free dairy powders, starches and nutritionals.
Quote PBOMPly structures & barriers
Tuned to your product and your line.
2–4 ply configurations
Bleached white or natural kraft, 70–90 GSM, calibrated to load weight and drop specs.
PE free-film liners
Independent LDPE/HDPE tubes (1.0–3.0 mil) for full moisture and aroma protection.
PE-laminated plies
Extrusion-coated kraft adds grease and humidity resistance without a separate liner.
De-aeration venting
Needle and labyrinth venting releases air fast during filling — without dusting.
Technical specifications
At a glance.
| Specification | Range / options |
|---|---|
| Standard capacities | 20 kg, 25 kg, 50 lb and 100 lb |
| Printing & branding | Up to 8-colour flexographic printing with water-based inks |
| Closure types | Sonic sealing, ultrasonic valve tuck, sewn crepe tape, hot-melt adhesive |
| Compliance | Food-contact options available (ask for documentation) |
Need paper sacks that run clean?
Send your product, fill weight and packer type — we'll match the right valve, plies and barrier.