PPS/PTFE650 filter bag

The PPS/PTFE650 filter bag features the following specifications:

• Material: Fiber composed of PPS+PTFE, scrim (base fabric) made of PTFE.
• Physical Properties:
  • Weight: 650 g/㎡ (compliant with ISO 9073-1).
  • Thickness: 1.6 mm.
  • Air Permeability: 150–250 l/㎡·s@200Pa (per ISO 9237).
• Mechanical Performance:
  • Tensile Strength (ISO 9073-3, sample size 200/50mm): Warp ≥1100N, Weft ≥900N.
  • Tensile Elongation (ISO 9073-3): Warp <35%, Weft <45%.
• Thermal Properties:Surface Treatment: Includes singe, calendering, heat setting, and PTFE dipping processes.
  • Working Temperature: Continuous use at 190℃, instant tolerance at 220℃.
  • Heat Shrinkage: 3% at 220℃.