Huading Net Industry
We insist on "quality, integrity" to win the market, and "safety, efficiency" as our business purpose.
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Our company selects polyester high-quality fine-denier large-scale chemical fiber yarn, and produces polyester (polyester) fiber needle-punched filter felt with advanced equipment, which can mix various fibers evenly and quantitatively, and then use multiple mixing cotton opening units and carding units to facilitate the fiber web. Composite and gradient transformation between different fibers.
| material | Polyester/polyester staple fiber base fabric | Polyester/polyester filament base fabric | ||||||||
| Gram weight(g/m2) | 450 | 500 | 550 | 600 | 400 | 450 | 500 | 550 | 600 | |
| thickness(mm) | 1.6 | 1.8 | 2 | 2.2 | 1.4 | 1.55 | 1.75 | 1.95 | 2.15 | |
| air permeability(m3/m2/min) | 18 | 15 | 13 | 12 | 21 | 18 | 15 | 13 | 12 | |
| breaking strength | vertical | >750 | >750 | >800 | >800 | >1000 | >1000 | >1100 | >1100 | >1150 |
| (N/5×20cm) | Latitude | >1150 | >1200 | >1300 | >1400 | >1250 | >1300 | >1350 | >1350 | >1400 |
| elongation at break | vertical | <35 | <35 | <35 | <35 | <25 | <25 | <25 | <25 | <25 |
| (%) | Latitude | <55 | <55 | <55 | <55 | <45 | <45 | <45 | <45 | <45 |
| continuous working temperature(℃) | ≤130 | ≤130 | ≤130 | ≤130 | ≤130 | ≤130 | ≤130 | ≤130 | ≤130 | |
| Instantaneous use temperature(℃) | 150 | 150 | 150 | 150 | 150 | 150 | 150 | 150 | 150 | |
| acid resistance | excellent | excellent | ||||||||
| Alkali resistance | medium | medium | ||||||||
| wear resistance | excellent | excellent | ||||||||
| Hydrolytic stability | medium | medium | ||||||||
| Post-processing | Singeing/calendering/heat setting/coating | |||||||||