HD Machine Blog: Industry Insights on PET Recycling & Packaging

Batch ssp vc continuous ssp

Batch Rotary Drum SSP vs Continuous SSP for rPET Production

Solid state polycondensation (SSP) is widely used to raise IV value and remove acetaldehyde for recycled PET. The two mainstream technologies are batch rotary drum SSP and continuous fluidized bed SSP. Neither is universally better, the choice depends on capacity, product mix, budget and raw material. Batch Rotary Drum SSP Batch type operation. PET flakes…
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September 16, 2026 0
PET recycling technology, PET resin pellets for solid state polycondensation SSP machine

How to Improve PET Flake Viscosity with SSP Solid State Polycondensation

PET bottle flakes will lose intrinsic viscosity (IV) during recycling and extrusion. Low IV PET material cannot meet the high tensile requirement for cotton strap, packing band and rigid packaging. Solid State Polycondensation (SSP) is the most reliable technology to raise PET flake viscosity without melting the material What causes IV drop of recycled PET…
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September 10, 2026 0

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