Walk onto any recycling floor from Rotterdam to Riverside and you’ll see the same choke-point: a sea of shredded plastic that looks like confetti. Turning that mix into clean PET, PVC, PP, and film is the job of plastic material sorting equipment.
Pick the right setup and margin prints itself; pick wrong and you own an expensive conveyor belt. Below is the unfiltered intel buyers actually need.
1. The Four Battle-Tested Methods
Most plants run NIR first, sink-float second,
then a color polish for 99 % purity.
2. 2024 Price Sheet (FOB Asia)
Add 8 % freight, 5 % duty, $1.8k commissioning. Hidden costs (compressor, platform, disks) tack on another 15 %.
3. Real Plant ROI
Rule of thumb: above 800 t/yr, NIR pays off inside 18 months.
4. Insider Spec Checklist
✅ Valve MTBF ≥30 million cycles
✅ Camera pixels ≥256 for NIR lane
✅ PLC protocol open (Modbus/TCP)
✅ Local tech radius <500 km
Refuse any seller who won’t run a 3-hour FAT on your actual flake.
5. Used vs New—Hard Numbers
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NIR sensors age slowly—7 yr-old units still hit 97 % accuracy if lamps & belts swapped.
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Color sorters lose 2–3 % accuracy per year after year 4.
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Float tanks are stainless tubs—age irrelevant if welds pass dye-pen.
Red flag: seller who won’t power up the machine on a live video call.
6. Emerging Tech in 2024
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AI retrofit kits:
$8k bolt-on GPU + camera upgrades old color sorters to PVC-grade 99 %.
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Lease-to-own:
0 % interest for 24 mo on >$100k lines—treat as OpEx.
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Cloud purity logs:
Remote dashboards beat clipboards.
7. Quick Buy/No-Buy Matrix
Bottom Line
Plastic material sorting equipment is not magic—sensors, air valves, and a belt. Match the sensor to your polymer mix, budget 15 % for hidden costs, and insist on a live test. Do that and the mountain of plastic turns into a revenue stream instead of
a storage headache.