Black Liquor (by-product in paper industry) - Chemical resistance

Soap Liquor

Black sulphate liquor, also known as 'black liquor', is a by-product of the kraft process, a method of making pulp from wood. During this process, the lignin in the wood is dissolved to produce a dark viscous liquid containing a mixture of organic and inorganic compounds. This liquid is called black liquor because of its colour. Black liquor is rich in organic compounds such as lignin, hemicellulose and cellulose and also contains inorganic compounds such as sodium carbonate, sodium sulphide and sodium hydroxide.

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Fibre-rubber plates

POWER®gasket 100

Not known Not known

POWER®gasket 200

Not known Not known

POWER®gasket 300

Not known Not known

POWER®gasket 350 A

Not known Not known

POWER®gasket 400

Not known Not known

Teflon plates

POWER®flon 10 BLUE

Mild - Consult consult

POWER®flon 20 PINK

It is not recommended nope

POWER®flon 30 WHITE

Excellent suitable

POWER®flon BG-S

Excellent suitable

Graphite plates

POWER®graf 1 Premium

Not known Not known

POWER®graf 3 Premium

Not known Not known

POWER®graf 4 Premium

Not known Not known

POWER®graf 5 Premium

Not known Not known

POWER®graf HP

Not known Not known

Rubber plates

Rubber NR

Not known Not known

Rubber SBR

Not known Not known

EPDM rubber

Not known Not known

Rubber CR

Not known Not known

NBR rubber

Not known Not known

Rubber IIR

Not known Not known

VMQ rubber (silicone)

Not known Not known

Rubber CSM

Not known Not known

Rubber FKM

Not known Not known

All technical data is based on our measurements and experience and is for guidance only. The parameters listed interact if they occur together and must be consulted in limiting cases. The manufacturer is not liable for misinterpretation of the given data and incorrect application of seals

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POWERflon 30 White

POWERflon 30 White

Sealing plate made of restructured 100% "virgin" PTFE reinforced with selected inert fillers against cold creep.

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POWERflon BG-S

POWERflon BG-S

Sealing plate made of multidirectionally oriented expanded 100% "virgin" PTFE. Only the thickness changes under load.

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