With booming demand for eco recyclable packaging, global buyers are eager to find a dependable PP hollow sheet extrusion line manufacturer. Wuhan Handern Machinery, an experienced Chinese PP hollow sheet extrusion line manufacturer with over 40 years of plastic extrusion R&D, focuses on R&D and manufacturing of PP twin-wall extruder and full-set PP hollow sheet extrusion line, exporting machinery to more than 20 countries worldwide. This content covers factory strength, equipment merits, PP box advantages against cartons, cost analysis and full manufacturing steps.
1. Advantages to Choose Handern as Your PP Hollow Sheet Extrusion Line Manufacturer
As a leading domestic PP hollow sheet extrusion line manufacturer, Handern owns over 60 independent patents and is certified as national specialized & innovative small giant enterprise.
- One-step direct extrusion craft: Raw PP pellets or powder are directly shaped into hollow boards by PP twin-wall extruder without secondary granulation, cutting production cost and lifting efficiency greatly.
- Complete equipment specifications: Available models cover 1400–3600 width, finished sheet width 1250mm~3400mm, thickness 2~18mm, maximum output up to 680kg/h, compatible with virgin PP and recycled PP raw materials.
- PLC intelligent control system: Optimized alloy screw, precision adjustable die head and dual closed-loop vacuum calibrator ensure stable extrusion and even sheet thickness.
- Full turnkey service: As a professional PP hollow sheet extrusion line manufacturer, we provide layout design, installation guidance, worker training and lifetime aftersales support globally.
2. PP Boxes Made by Our Extrusion Line Beat Traditional Paper Cartons
- Waterproof & damp-proof, no deformation in wet or cold storage to avoid cargo damage;
- Reusable over 50 times while ordinary cartons only serve 1~3 uses; waste PP scraps can be remelted and processed again via our PP hollow sheet extrusion line.
- Lightweight and customizable with color & logo printing, effectively reducing long-distance logistics cost.
3. Cost Analysis for Investors Cooperating With Our Manufacturer
Though the initial investment on PP hollow sheet extrusion line is higher than carton processing gear, long-term economic benefit is obvious.
Single-use cost of PP box is only 1/10~1/5 of paper carton; large proportion recycled PP can be applied to cut raw material expense. Most purchasers recover total investment within 6–12 months.
4. Full Production Process Based on PP Twin-Wall Extruder & Extrusion Line
- Raw material mixing: Blend new or recycled PP granules with functional additives;
- Feeding & extrusion: Compound raw materials go into PP twin-wall extruder for one-step hollow sheet forming;
- Vacuum cooling and fixed-size cutting after shaping;
- Optional corona treatment and surface printing;
- Creasing, die-cutting and edge bonding to finish PP hollow boxes;
- QC inspection and finished goods packing.
Conclusion
If you are sourcing a trustworthy PP hollow sheet extrusion line manufacturer, Handern’s high-efficiency PP twin-wall extruder and mature hollow sheet extrusion line help manufacturers grab eco-packaging market and gain stable profit.
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