Chemstar L 6226/L

Chemstar L 6226/L

Chemstar L 6226/L


Chemstar L 6226/L is a 100% PTFE-packing impregnated with PTFE-dispersion. It is a sintered, high performance PTFE-multifilament-yarns with thorough PTFE-impregnation, diagonally braided. Universal PTFE packing, preferred for use in chemical and food industry.


  • Good pressure resistance
  • Reduced tendency for extrusion
  • High structural stability
  • Great cross-sectional tightness

Operating range

p(plunger pumps) = 250 bar,
p(valves) = 500 bar,
p(mixers, agitators, kneaders, filters) = 25 bar

Sliding velocity:
vg(plunger pumps) = 1,5 m/s,
vg(valves) = 2 m/s (valves),
vg(mixers, agitators, kneaders, filters) = 2 m/s

Temperature: t = -200 °C ... +280 °C
Chemical resistance: pH = 0 ... 14

Universal chemical resistance.

Standards and approvals

  • BAM-approval for gaseous oxygen 60 °C and 30 bar.
  • Fraunhofer-Institute: FDA US 21 CFR 170,3 (i)
  • EPA regulation, article 3, 1935/2004


6226/NQ (nuclear quality)

Forms of supply

Content of boxes:
up to 6 mm: 1 kg
up to 10 mm: 2 kg
up to 13 mm: 3 kg
from 14 mm: 5 kg
from 25 mm: 10 kg
Supplied by the metre, pre-cut lengths, die-pressed rings with straight or slanted cut, also available in the handy blister package for small requests.

Product variants

Chemstar P 6226/P
Special PTFE packing with PTFE-graphite-impregnation.
Chemstar U 6226/U
PTFE packing with special filler and silicone lubricant.