White Liquor - Chemical resistance

White liquor is a chemical solution used in the paper industry for pulping. It consists of sodium hydroxide and sodium sulfide in aqueous solution. The mixture is heated and the chemical reaction breaks down the wood chips into pulp.

Molecular formula

NaOH + Na2S

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Fibre-rubber plates

POWER®gasket 100

Not known none

POWER®gasket 200

Not known none

POWER®gasket 300

Not known none

POWER®gasket 350 A

Not known none

POWER®gasket 400

Not known none

Teflon plates

POWER®flon 10 BLUE

Not known none

POWER®flon 20 PINK

Not known none

POWER®flon 30 WHITE

Not known none

POWER®flon BG-S

Not known none

Graphite plates

POWER®graf 1 Premium

Excellent suitable

POWER®graf 3 Premium

Excellent suitable

POWER®graf 4 Premium

Excellent suitable

POWER®graf 5 Premium

Excellent suitable

POWER®graf HP

Excellent suitable

Rubber plates

Rubber NR

Mild - Consult consult

Rubber SBR

Excellent suitable

EPDM rubber

Good good

Rubber CR

Excellent suitable

NBR rubber

Excellent suitable

Rubber IIR

Not known none

VMQ rubber (silicone)

It is not recommended nope

Rubber CSM

Excellent suitable

Rubber FKM

Mild - Consult consult

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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POWERgraf 1 PREMIUM

POWERgraf 1 PREMIUM

Reinforced with bonded smooth Ni foil 0.013 mm thick (material: 2.4066). For low and medium pressures.

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POWERgraf 3 PREMIUM

POWERgraf 3 PREMIUM

Reinforced with 0.1 mm thick perforated reed plate (material: AISI 316). For medium and higher pressures.

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POWERgraf 4 PREMIUM

POWERgraf 4 PREMIUM

Reinforced with 0,05 mm thick stainless steel foil (material: AISI 316). For low and medium pressures.

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POWERgraf 5 PREMIUM

POWERgraf 5 PREMIUM

Reinforced with expanded stainless steel sheet 0.1 mm thick (material: AISI 316L, 700 g/m²). Ideal seal for large pressure changes.

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POWERgraf HP PREMIUM

POWERgraf HP PREMIUM

Multilayered sealing material made of expanded graphite reinforced with a larger number of inserts without the use of adhesives. Suitable for higher pressures and temperatures.

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SBR Rubber

SBR Rubber

A cost-effective type of synthetic rubber for general use.

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CR Rubber (Neoprene)

CR Rubber (Neoprene)

It is used in refrigeration and applications where the seal is exposed to external weathering.

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NBR Rubber

NBR Rubber

Oil-resistant rubber for use primarily in mineral oil-based media applications.

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