PBI.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Material

 

1809

1824

Fibre:

 

PBI/stainless steal PBI/stainless steal

Fibre type:

 

staple fibre/wire

staple fibre/wire

Impregnation:

 

graphite

PTFE

Lubricant:

 

-- --

Density:

[g/cm³]

1

1,3

 

 

 

 

 

T (°C)

-50 to 350

-50 to 350

 

pH

0  to 13

0      to 13

 

P [bar]

-- --

 

V [m/s]

-- --

 

P [bar]

-- --

 

V [m/s]

-- --

 

P [bar]

250 300

 

V [m/s]

2 2

 

P [bar]

--

10

 

 

 

 

Peculiarity:

 

Applicable in steam Applicable in steam

 

 

up to 420 °C up to 420 °C
Suitable for dirt

 

 

sensitive applications

Release:

 

--

--

Structure:

 

Euraflex®- diagonal plaiting 

Form of delivery:

piece goods from 3 mm to 50 mm square

Media resistance:

Applicable against near all media. Not applicable against concenttrated alkaline solutions

 

 

Notes:

 

Packings made of heat-resistant synthetic PBI (polybenzimidazole) are suitable for.
the employments, where heat-resistant, but low compressive and brittle carbon- and
graphite yarns on one hand and on the other hand the compressive resistant, but only

 

 

up to 280 °C useable synthetic yarns like aramide or PTFE are not usable