Corrugated Box Shredder for PP Sheets, Boxes & Signage

Yes — fully. PP corrugated sheet is plain polypropylene formed into a twin-wall fluted profile; there is no coating or mixed polymer to separate. Once shredded and ground into flake, it goes to PP reprocessors who pelletize it for moulding and compounding, the same route as crate or cap regrind. The reason so much of it still ends up dumped is purely logistical: whole sheets are too bulky to transport economically. Shredding solves exactly that — see our PP plastic shredding solution for the wider polypropylene picture.

The cutting principle is the same, and Raj Electricals has built shredders for both streams — the documented customized corrugated box shredder handles boxes up to 7 ply with a conveyor output, and our plastic shredders handle PP sheet. If you run both materials, say so in your enquiry: the right configuration depends on which stream dominates, because output handling differs (paper shred often goes to baling, PP shred to grinding). Keep the streams separate in any case — paper fibre contaminating PP flake lowers its value.

Strip the fittings (metal eyelets, frames, clips), then shred and grind the sheets into PP flake. This does two things at once: the printed branding is destroyed — important when campaign or brand material must not resurface — and the polypropylene becomes a saleable commodity instead of a tipping-fee liability. Agencies and brand teams handling seasonal surges often shred in batches; a mid-range dual shaft machine clears volume quickly and earns its keep on the recovered flake. Send us your estimated tonnage for a line recommendation.

Converters generate a steady, predictable stream — trim strips, punching skeletons and reject sheets — so size against your daily scrap weight rather than peak season. Weigh a typical day’s offcuts and divide by your shredding window: most converters land comfortably within a mid-range dual shaft machine, with an RE-series grinder downstream if you sell flake rather than shred. High-volume converters can discuss a customized line with conveyor discharge. Our machine selection guide walks through the sizing.

PP reprocessors and compounders buy clean corrugated flake to pelletize into reprocessed granules, which go into moulded products, sheets and compounds. Because sunpack sheet is single-polymer and usually clean, its flake is an easy sell compared with mixed plastic scrap — printed sheets fetch slightly less than unprinted, and consistent flake size from a mesh-screened RE-series grinder earns better rates than coarse shred. If you accumulate enough volume, reprocessors will collect from your premises on contract.

Every machine is quoted to the job. What moves the number is capacity, throat size, motor rating, MS or SS construction and the automation you add — a blower, a conveyor, a control panel. Our guide to what drives machine cost walks through each of those; send us your material and daily volume and we will size the machine and quote it, usually the same day.

Yes — customization is a core part of what Raj Electricals does. That corrugated box shredder is itself a customized model built around a client’s requirement, with a conveyor belt added at the output. On customized builds, the feed opening is sized to your boxes, output size can be defined by mesh from 1 mm to 30 mm or more, and SS-grade contact construction is available where needed. Describe your material and floor layout in your enquiry and our team will propose a configuration.

Yes. Courier or bring representative material — printed signage, sunpack offcuts, folded boxes — to our works in Andheri East, Mumbai, and we will run it through the machine while you watch or record the trial on video for outstation buyers. A trial settles the questions a spec sheet cannot: how your specific sheet feeds, what the shred looks like, and what throughput you really get. Contact us to schedule one before you finalise any purchase.