Materials
Stainless steel 1.4301
X5CrNi18-10, AISI 304
Austenite, acid-resistant 18/10 Cr-Ni-steel
Austenite, acid-resistant 18/10 Cr-Ni-steel
Resistance
Water, vapour, humidity, salt, acids in food and weak organic or inorganic acids.
Applications
Food industry, mechanical engineering, beverage production, pharmaceutical and cosmetics industry, chemical apparatus engineering.
Stainless steel 1.4404
X2CrNiMo17-12-2, AISI 316L
Austenite, acid-resistant Cr-Ni-Mo-steel
Austenite, acid-resistant Cr-Ni-Mo-steel
Resistance
Better corrosion resistance compared to Cr-Ni
steel, resistant to organic or inorganic acids,
media containing halogen, good resistance to
intercrystalline corrosion. High temperature
resistance up to 450°C.
Applications
Food industry, chemical industry, mechanical
engineering, beverage production,
pharmaceutical and cosmetics industry.
Stainless steel 1.4435
X2CrNiMo18-14-3, AISI 316L
Austenite, acid-resistant Cr-Ni-Mo-steel
Austenite, acid-resistant Cr-Ni-Mo-steel
Resistance
Better corrosion resistance compared to Cr-Ni
steel, resistant to organic or inorganic acids,
media containing halogen, good resistance to
intercrystalline corrosion. Improved pitting
corrosion compared to 1.4404 due to the higher
content of molybdenum. High temperature
resistance up to 450°C.
Applications
Food industry, chemical industry, mechanical
engineering, beverage production,
pharmaceutical and cosmetics industry.
Stainless steel 1.4980
X2CrNiMo18-14-3, AISI 316L
High temperature resistant, austenite superalloy
High temperature resistant, austenite superalloy
Resistance
High corrosion resistance to organic or
inorganic acids. Excellent thermal stability and
corrosion properties at temperatures up to
800°C.
Applications
High pressure engineering, chemical industry,
thermal process engineering. Excellent
properties for applications under high pressure
and temperature, e.g. with high pressure
reactors.
Hastelloy® B3, 2.4600
NiMo29Cr, Alloy B3
Nickel-molybdenum alloy
Nickel-molybdenum alloy
Resistance
Excellent corrosion resistance to reducing
media as e.g. hydrochloric acid in its
complete range of concentrations and
temperatures, acetic acid, hydrogen
chloride, sulphuric acid, phosphoric acid.
Applications
Chemical industry, phenol production.
Hastelloy® C22, 2.4602
Hastelloy® C22, 2.4602
Nickel-chrome-molybdenum-tungsten alloy
Nickel-chrome-molybdenum-tungsten alloy
Resistance
High corrosion resistance to pitting, crevice and
stress at high temperatures under oxidising and
reducing conditions. Resistant to, for example
sulphuric acid, acid mixtures from sulphuric acid,
phosphoric acid, nitric acid, chlorine gas and
oxidising acids with chloride ions.
Applications
Chemical industry, flue gas desulphurisation,
cellulose and paper industry.
Kalrez®, FFKM (FFPM)
Group of fluoro- and perflouro-elastomeres
FDA conform (compound 6221, 6230 only)
FDA conform (compound 6221, 6230 only)
Resistance
Depending on the compound superior
chemical resistance to acids, alkalis, amines,
vapour, ethylene oxide as well as many
other aggressive chemicals. Temperature
resistance -20°C to +275°C, at a brief time
+325°C.
Applications
Sealing technology and especially high
vacuum applications.
Viton®, FKM (FPM)
Fluor rubber, group of fluoroelastomeres
FDA conform
FDA conform
Resistance
Good chemical resistance to propane, butane and
natural gas, fuels, mineral oils and greases, silicone
oils and greases, and aromatic hydrocarbons.
Temperature resistance -20°C to +250°C, at a brief
time +300°C.
Applications
Sealing technology and especially high vacuum applications.
PTFE, Polytetrafluorethylen
Highly resistant plastic
FDA conform
FDA conform
Resistance
Superior chemical resistance because of its
inertness. Extremely resistant to all bases, alcohols,
ketones, benzines.
The thermal capacity ranges from -260°C up to
+250°C, at a brief time +300°C (e.g. no
embrittlement of boiling helium at +269°C).
Applications
Chemical industry, apparatus construction, medical
technology.