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37-40% solution of formaldehyde in water
Formalin is a solution of formaldehyde in water, usually at a concentration of 37 %. Formalin is a clear, colourless liquid with a strong pungent odour. It is used as a preservative, disinfectant and sterilant in a wide range of industries and applications. It is used to preserve biological samples in laboratories, to disinfect and preserve fish, meat and other foods, and to preserve and sterilize medical and dental instruments.
Molecular formula
CH2O · H2O
Filter
Fibre-rubber plates
Not known Not known
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Teflon plates
Not known Not known
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Graphite plates
Excellent suitable
Excellent suitable
Excellent suitable
Excellent suitable
Excellent suitable
Rubber plates
Excellent suitable
Excellent suitable
Good good
Good good
Mild - Consult consult
Not known Not known
Excellent suitable
Excellent suitable
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, thickness. 0,013 mm (material: 2.4066). For low and medium pressures.
Reinforced with reed perforated sheet thickness. 0,1 mm (material: AISI 316). For medium and higher pressures.
Reinforced with bonded stainless steel foil. steel thick. 0,05 mm (material: AISI 316). For low and medium pressures.
Reinforced with expanded stainless steel sheet, thickness. 0.1 mm (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.
Material resistant to high temperatures and atmospheric influences. Suitable for food applications.
FKM has excellent chemical and heat resistance. It is used in mineral oil and grease based applications.
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