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Jasonxue
I write about practical warehouse packaging questions, including stretch wrap recycling and calculating material on a roll. My guides focus on the measurements and collection steps that affect daily use. I aim to help readers make packaging decisions with clearer quantities and a workable plan for used film.
How to Calculate Roll Length: Calculator, Formula and Examples
Updated September 2026 Quick specs Inputs: roll outside diameter, core outside diameter and total material thickness. Metric combination: diameters in mm, thickness in microns, estimated length in meters. Worked example: 200 mm roll, 80 mm core, 20 microns gives about…
Is PET Recyclable? A Practical Guide to PET, rPET, and Real-World Recovery
Is PET Recyclable? PET is a recyclable thermoplastic polyester wherever suitable collection and processing exist, but a specific item is recycled only when its design, collection route, sorting process, and end market all work. The #1 resin code identifies the…
