Walk through almost any film converting plant and you will see the same thing: pallets of stretch film, BOPP, PE, and PET rolls sitting on paper cores. Plastic cores exist, they perform well, and in a few niches they are the better choice — yet paper still dominates by volume across the film industry.
The reason is not one single advantage. It is a trade-off between cost, weight, grip, recyclability, and reusability that tips decisively toward paper in most film applications. This article compares the two core types honestly, including where each one fails.
What a Film Core Actually Has to Do
Before comparing materials, it helps to be clear about the job. A film core must:
- Carry the full reel weight in radial compression without ovalizing
- Hold inner diameter tightly enough for chucks and turret winders
- Grip the first wraps so the roll does not slip or telescope
- Survive storage, stacking, transport, and humidity changes
- Release cleanly and safely at the converting machine
Any material that meets those five requirements at the lowest total cost per roll will win. That is where paper pulls ahead.
Paper Cores vs Plastic Cores: Direct Comparison
| Criteria | Paper Core | Plastic Core |
|---|---|---|
| Unit cost | Low | 3–10× higher |
| Reuse | Usually single trip | 50–200+ cycles |
| Weight | Light | Heavy |
| Moisture resistance | Poor — swells and loses strength | Excellent |
| Radial crush strength | Good when wall thickness is specified correctly | Very good |
| Grip on film | High — slightly compressible surface | Low — smooth and slippery |
| Dimensional stability | Moderate — moves with humidity | Excellent |
| Static behaviour | Dissipates charge | Can build and hold charge |
| End-of-life | Repulpable, accepted in OCC streams | Dif
Products and QuotationExplore our molded pallet products and specifications. Request a molded pallet quotation based on your load, dimensions, quantity, and destination. Login |