Chemical resistance

Phosphoric acid (20%) - Chemical resistance

Phosphoric acid (20%) is a solution of phosphoric acid with a concentration of 20%. It is used in various industries. It has anti-corrosive properties and finds application in metal cleaning, rust removal and chemical industry. It is also a component of fertilizers and functions as an acid in the food industry. In laboratories it is used for the preparation of various chemical compounds. It must be handled with care because of its acidic nature.

Molecular formula

H3PO4

Functional formula

OP(OH)3

Filter

Teflon plates

POWER®flon 10 BLUE

Excellent suitable

POWER®flon 20 PINK

Excellent suitable

POWER®flon 30 WHITE

Excellent suitable

POWER®flon BG-S

Excellent suitable

Rubber plates

Rubber NR

Good good

Rubber SBR

Mild - Consult consult

EPDM rubber

Excellent suitable

Rubber CR

Good good

NBR rubber

It is not recommended nope

Rubber IIR

Not known none

VMQ rubber (silicone)

Good good

Rubber CSM

Good good

Rubber FKM

Excellent suitable

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 10 Blue

POWERflon 10 Blue

Sealing plate made of restructured 100% "virgin" PTFE reinforced with hollow glass microspheres against cold creep.

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POWERflon 20 Pink

POWERflon 20 Pink

Sealing plate made of restructured 100% "virgin" PTFE reinforced with silica filler against cold creep. For high pressures and temperatures.

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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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EPDM Rubber

EPDM Rubber

Rubber resistant to atmospheric influences, UV and ozone radiation. Excellent temperature resistance.

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FKM Rubber

FKM Rubber

FKM has excellent chemical and heat resistance. It is used in mineral oil and grease based applications.

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