MA needle felt (meta-Aramide, Nomex®) finds use in dry industrial filtration when process temperatures exceed 160°C.

Applicable in the following industrial sectors:

  • gypsum industry
  • asphalt production plants
  • glue production plants
  • metal industry
  • fertilizers industry
  • foundry industry

CHARACTERISTICS OF A META-ARAMIDE FILTER BAG

Versions and Finishes:

  • oil and water repellent PTFE-based
  • with PTFE membrane
  • of  higher filtration efficiency
  • antistatic
  • fire retardant
  • spark-blocking
  • abrasion resistant

Area Weight:

  •  400 – 600 g/m2

Surface:

  • heat-set
  • singed

Operating temperature:

  • continuous:
200 °C
  • incremental:
220 °C

Chemical resistance:

  • weak acids:
ↄ ↄ ↄ
  • strong acids:
ↄ ↄ
  • solvents:
ↄ ↄ ↄ ↄ
  • weak alkalis:
ↄ ↄ ↄ
  • strong alkalis:
ↄ ↄ
  • hydrolysis
ↄ ↄ
  • oxidizing
ↄ ↄ ↄ
Resistance scale: ↄ ↄ ↄ ↄ – excellent, ↄ ↄ ↄ – good, ↄ ↄ – fair, ↄ – poor