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Raw phosphoric acid is a concentrated solution of phosphoric acid that is produced by the wet process of phosphoric acid production. It is a colourless, syrupy liquid that is used as a raw material in the production of fertilisers, detergents and food additives. It can be corrosive to metals and other materials. Further purification is usually required to produce high purity phosphoric acid for a particular application.
Molecular formula
H3PO4
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Fibre-rubber plates
It is not recommended nope
It is not recommended nope
It is not recommended nope
Not known Not known
It is not recommended nope
Teflon plates
Not known Not known
Not known Not known
Not known Not known
Not known Not known
Graphite plates
Excellent suitable
Excellent suitable
Excellent suitable
Excellent suitable
Excellent suitable
Rubber plates
It is not recommended nope
It is not recommended nope
Good good
It is not recommended nope
It is not recommended nope
Not known Not known
Mild - Consult consult
Mild - Consult consult
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
Reinforced with bonded smooth Ni foil 0.013 mm thick (material: 2.4066). For low and medium pressures.
Reinforced with 0.1 mm thick perforated reed plate (material: AISI 316). For medium and higher pressures.
Reinforced with 0,05 mm thick stainless steel foil (material: AISI 316). For low and medium pressures.
Reinforced with expanded stainless steel sheet 0.1 mm thick (material: AISI 316L, 700 g/m²). Ideal seal for large pressure changes.
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.
FKM has excellent chemical and heat resistance. It is used in mineral oil and grease based applications.
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