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Material:Polyester staple fiber, Air permeability:150~300l/m2/s, Cont. temp:130C, Peak temp: 150C - details see: https://www.machineto.com/100-polyester-needle-felt-10217409

Polyester Needle Felt's Technical data:

(physical Properties)

(Fiber): Polyester staple fiber

(Scrim): Polyester staple yarn

(Weight)(gsm): 500

(Thickness) (mm): 2.0

(Width) (m): ≤2.2

(Finish treatment): Singeing, Calendering,Heat setting

(Air permeability) (l/m2/s): 150~300

(Tensile strength) (N/5×20cm): (Warp): 1200

(Weft): 1400

(Tensile elongation)(%): (Warp): 20

(Weft): 30

(Temperature) (C): (Continue): 130

(Instant) : 150

(Chemical Properties)

( Anti-acid ) Middle

( Anti-alkali ) Middle

( Anti-abrasion ) Excellent

(hydrolysis stability) Middle

Above data are the averages obtained from a series of typical by our lab and just for reference only