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Octadecanoic Acid
Stearic acid (octadecanoic acid) is a white, solid fatty acid found in animal and vegetable fats and oils. It is used as a hardener in soaps, candles and cosmetics and as an ingredient in food products such as chocolate. It is also used in the rubber and pharmaceutical industries.
Molecular formula
C18H36O2
Functional formula
CH3(CH2)16COOH
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Fibre-rubber plates
Excellent suitable
Excellent suitable
Excellent suitable
Not known Not known
Excellent suitable
Teflon plates
Excellent suitable
Excellent suitable
Excellent suitable
Excellent suitable
Graphite plates
Excellent suitable
Excellent suitable
Excellent suitable
Excellent suitable
Excellent suitable
Rubber plates
Good good
Good good
Good good
Good good
Good good
Not known Not known
Good good
Good good
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
Sealing plate made of aramid fibres with NBR binder. For low pressures and temperatures.
Sealing plate made of a mixture of aramid and cellulose fibres with NBR binder. For medium pressures and temperatures.
Sealing plate made of a mixture of aramid fibers with NBR binder. For medium to high pressures and temperatures.
Sealing plate made of graphite and carbon fibre with NBR binder. For the highest pressures and temperatures.
Sealing plate made of restructured 100% "virgin" PTFE reinforced with hollow glass microspheres against cold creep.
Sealing plate made of restructured 100% "virgin" PTFE reinforced with silica filler against cold creep. For high pressures and temperatures.
Sealing plate made of restructured 100% "virgin" PTFE reinforced with selected inert fillers against cold creep.
Sealing plate made of multidirectionally oriented expanded 100% "virgin" PTFE. Only the thickness changes under load.
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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