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Usually the biggest headache we see is when guys are running 125°C continuous with fluctuating pH—standdard polyester just melts down or gets eaten by the acid within weeks, so what it does is force a shutdown every month or so just to swap bags, which kills productivity.
That's where this homopolymer-049 comes in, and honestly the acid-alkali resisance is the selling point for most buyers since it handles both ends without degrading too fast, plus the hydrolyzation resistance is good, so you're not chasing leaks in wet gas streams every other shift—pretty much a set-and-forget until the 12-month warranty window closes.
Weight comes in at 500 g/m² with a 2.40 mm thickness, air permeability between 150 and 300 L/m²/s depending on how tight you want the draw, tensile strength on warp is ≥1200 N and weft ≥1300 N, elongation under 20% and 45% respectively, so it holds shape even under pulse-jet cleaning cycles that would tear cheaper cloths.
We've had it running in non-ferrous metal processing and cement lines for about 2 years now without complaints, but just a heads-up—it's not suited for application above 140°C even instant, so if your ductwork sees occasional spikes you're fine, but continuous over that temperture and you'll want a different fiber altogether (PPS or PTFE maybe).
Custom widths up to 2150 mm, you can spec the finish as singe and calender or just heatset one side depending on your cake release needs, MOQ usually sits at 50 units or so for standard round bags, but we'll do smaller runs for trials if you give us a call and tell us the airflow requirement.
It's a pocket filter style, medium filtration grade, and the SGS certifcate is real but we typically have stock, though confirm lead time if you're ordering 200+ because homopolymer acrylic roll goods can tie up production for 20 working days or so.
