TFH-01/47

PTFE Filter/TFH membrane

New construction resolves many of the problems associated with the demanding usage environment for PM sampling filters.

  • Combines the excellent collection ability of a PTFE filter with a breathable reinforcing layer of non-woven fabric.
  • Reduces absorbency and conductivity and also prevents post- collection dispersal of samples.
  • Ensures superior release performance of the PM after collection (effective in micro-chemical analysis of composition).
  • Allows smaller filter unit weights than with the standard glass fiber paper used in automatic PM measurement devices (β-ray absorption method). This has improved detection sensitivity by approximately five times compared to previous HORIBA units.
  • Strengthens chemical resistance to acids, alkalis, and organic solvents.
  • Decreases filter weight and also allows accurate weight measurement of low-concentration samples.
  • Greatly lowers the chemical background, eliminating interference and allowing chemical analysis of composition (water-soluble components, organic compounds, metal components, etc). Patent pending

Item

Unit

TFH-01

TFH-47

Filter materials

PTFE filter+non-woven fabric (PE+PET)

Pore size

µm

1

1

Thickness

µm

140

140

Flowrate

L/min/cm2

80

80

Bubble point

Kg/cm2

Unavailable

Unavailable

Heat resistance

°C

135

135

Width

mm

40

Length

m (1 roll)

21

Diam.

mm

47

Mass

g/m2

14

14

Collection rate

%

99.97

99.97

Pressure loss

Pa

150

150

Tensile strength

N/25mm

>10

>10

Shape

Roll

Circular

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