Collect the following information before comparing fibres:<\/p>\n
Temperature tables are useful for eliminating impossible candidates, but they cannot complete the selection. The US EPA identifies gas and particle characteristics, fabric properties, air-to-cloth ratio, pressure drop and cleaning as important baghouse variables. Those variables interact: a higher filtration velocity can raise pressure drop and cleaning demand, while condensation can turn otherwise manageable dust into a blinding deposit.<\/p>\n
Do not submit only the average. Include cold starts, normal range, maximum temperature, excursion duration, excursion frequency and possible local hot spots. Keep a design margin to the supplier-approved continuous limit. A short-term rating is not a normal operating temperature.<\/p>\n
Identify water and acid dew points where relevant. Check insulation, cold walls, fresh-air leakage, hopper heating, startup and shutdown sequences. Condensation may cause mud-like cake, bag blinding, high differential pressure and corrosion even when the fibre is described as moisture resistant.<\/p>\n
List SOx, NOx, HCl, HF, oxygen, alkalis, solvents and process additives as applicable. Concentration, temperature, moisture and exposure time must be reviewed together. Avoid absolute terms such as \u201cchemical proof.\u201d<\/p>\n
Fine dust, sharp particles, sticky material and high inlet loading require different structures. Include particle-size distribution, bulk density, abrasiveness, cohesiveness, oil content and combustible-dust information where applicable.<\/p>\n
Air-to-cloth ratio is gas flow divided by active filtration area. Confirm whether gas flow is actual or standard volume and whether offline compartments have been accounted for. Review gas distribution and can velocity as well as the overall ratio.<\/p>\n
Pulse-jet, reverse-air and shaker systems impose different mechanical loads. Record pulse pressure, duration, sequence and trigger logic. Media that releases dust well may still fail if cleaning is too aggressive, while conservative cleaning may allow residual cake and pressure drop to build.<\/p>\n
The specification should state fibre blend, scrim, weight, thickness if relevant, surface treatment or membrane, permeability, tensile properties, sewing thread, seam, top and bottom design, dimensions and cage fit. The lowest-risk quotation is rarely the one that names only the fibre.<\/p>\n
The table below reproduces values listed in YuanChen\u2019s current product PDFs. It is a product-sheet screening table, not a universal material-property table. The source documents do not state test methods, tolerances, revision dates or allowed short-term exposure duration; values must be confirmed for the offered construction and order.<\/p>\n