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Cheongwoo FilterINDUSTRIAL DUST FILTERS
Request a Quote

01 · CONDITIONS

Filter media chosen
for your conditions

We cut and sew bag filters and cartridge filters for dust collectors in power, cement and steel plants at our own factory in Gimhae, Korea. Small orders ship in as little as two weeks once specifications are confirmed.

01 TEMPTemperatureNormal and peak
02 DUSTDustSize · abrasion
03 GASGasAcid · alkali · water
→ CANDIDATESShortlist from 12 media
Request a quote by conditions See the media chart
Worker sewing a bag filter, with fabric rolls
Bag filter sewing line — Gimhae plant
Close-up of filter media
Close-up · needle felt
INSPECTEDPer-lot
check
  1. 1 SNAP BAND
  2. 2 FILTER MEDIA
  3. 3 CAGE

Key figures

2009Founded · Gimhae, Korea
12Filter media types
ISO 9001Quality management certified
2 weeksShortest lead time, small orders

02 · MEDIA

Media shortlist by
temperature, dust and gas

Temperature narrows the choice of media first, then dust and gas narrow it again. Below is an example using conditions from a coal-fired boiler.

01 TEMP180℃ continuousPeak 200℃
02 DUSTCoal fly ashFine particles · abrasive
03 GASSOx · moistureAcidic · runs near dew point
→ CANDIDATEPPS needle felt
+ PTFE membraneBag filter media and specs
  • PolyesterPECont.130℃AcidAlkaliMoistureMain useGeneral dust · wood · grain
  • PolypropylenePPCont.90℃AcidAlkaliMoistureMain useChemical · plating · low-temp wet
  • AcrylicPANCont.125℃AcidAlkaliMoistureMain useAsphalt plants · dryers
  • PPSCandidate · confirm detailsCont.190℃AcidAlkaliMoistureMain useCoal boilers · incinerators
  • Meta-aramidM-ARAMIDCont.200℃AcidAlkaliMoistureMain useAsphalt · cement coolers
  • PolyimideP84Cont.240℃AcidAlkaliMoistureMain useCement kilns · incineration
  • PTFEPTFECont.250℃AcidAlkaliMoistureMain useWaste incineration · chemical
  • Glass fiberGLASSCont.260℃AcidAlkaliMoistureMain useCement kilns · steel
GoodFairPoor＋ 4 finishes: PTFE membrane · antistatic · water/oil repellent · flame retardant

03 · PRODUCTS

Bag filters and cartridge filters

SHEET 04

Bag filter

A cylindrical filter bag fitted over a cage that captures dust on its surface. Supplied with matching snap bands and cages.

Workshop with finished bag filters
Finished bag filters — Gimhae plant
Use
Pulse-jet · reverse-air collectors
Media
All 12 media · membrane option
Parts
Filter bag · snap band · cage
Bag filter specs
SHEET 05

Cartridge filter

Pleated media gives more filter area in the same size. Used in compact dust collectors and for fine dust.

Cartridge filter standing on a workbench
Pleated cartridge — pre-shipment check
Use
Weld fume · powder coating · fine dust
Media
Spunbond PE · PTFE membrane
Parts
End caps · pleated media · inner core
Cartridge filter specs
All photos are placeholder images

04 · MANUFACTURING

In-house production in Gimhae,
from cutting to final inspection

Equipment and inspection standards

Sewing line overview — Gimhae plantTap the center photo to enlarge

03 / 05
  1. 01IncomingFabric lot and weight check
  2. 02PermeabilityAir permeability per lot
  3. 03TensileFabric and seam strength test
  4. 04DimensionsLength, diameter, band fit
  5. 05 PASSShippingTest certificate enclosed

05 · TRACK RECORD

Track record by
industry and media

Full track record
  1. 2025Coal-fired boilerConditions170℃ cont. · SOx · moistureMediaPPS + PTFE membrane
  2. 2024Cement kilnConditions220℃ cont. · alkaline dustMediaGlass fiber + PTFE membrane
  3. 2024Asphalt plantConditions140℃ cont. · sticky dustMediaMeta-aramid
  4. 2023EAF steelmakingConditions120℃ cont. · fine metal fumeMediaPE + PTFE membrane
  5. 2022Waste incineratorConditions200℃ cont. · HCl · moistureMediaPTFE
  6. 2021Wood mill · VietnamConditionsAmbient · static-prone dustMediaAntistatic PE

06 · QUOTE

Request a quote with
three conditions

Leave blank anything you don't know. We reply within one business day with suitable media and a quote.

MAIL
info@example.com
TEL
+82-55-000-0000
NOTE
Please send specifications and drawings by email.