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Gel-like particles can arise from degraded, crosslinked or contaminated polymer and may block filtration or disturb extrusion through spinneret holes. Practical polyester textile guide covering process variables, testing, factory controls, mistakes and FAQs.

Dry process air permits PET chips to release moisture before extrusion, reducing hydrolytic chain scission and instability during melt spinning. Practical polyester textile guide covering process variables, testing, factory controls, mistakes and FAQs.

Titanium dioxide is used as a delustrant: dispersed particles scatter light inside polyester fibres and alter apparent sheen and opacity. Practical polyester textile guide covering process variables, testing, factory controls, mistakes and FAQs.

Polycondensation catalyst selection affects reaction behaviour, process robustness, resin colour and downstream spinning rather than defining quality by itself. Practical polyester textile guide covering process variables, testing, factory controls, mistakes and FAQs.

What the limiting oxygen index tells you about polyester burning behaviour, how oxygen/nitrogen testing works and why LOI is not a full garment fire rating.

How air-covered polyester-elastane yarn is made, with core feed, air-jet entanglement, stretch recovery and quality checks for knit and woven applications.

Polyester can build static charge because it absorbs little moisture and has high electrical resistance. Learn how surface resistivity is measured, how antistatic finishes work and why washing can reduce their performance.

What is low-melt polyester? Learn how sheath-core bicomponent fibres soften during controlled heating and bond neighbouring fibres in nonwovens, padding, filtration, automotive textiles and technical composites.