
9
Technical data
HygienicPlus variant
Operating Instructions – MOVIFIT
®
FC
192
9.13
Hygienic
plus
design
HygienicPl
us variant
9.13.1
Properties of sealing materials and surfaces
Sealing material property
EPDM is the standard sealing material for the Hygienic
plus
design. The following table
shows a selection of EPDM properties. Take this information into account when plan-
ning your system.
Characteristic
EPDM stability
Alkali resistance
Excellent
Resistance to aging
Excellent
Ammonia (no water)
Excellent
Ethanol
Excellent
Gasoline resistance
Low
Vapor
Up to 130 °C
Hot water
Excellent
Lye
Excellent
Carbonic acid
Excellent
Methanol
Excellent
Sodium chloride
Excellent
Oil (vegetable, ethereal)
Good to medium
Oil and grease resistance
Low
Ozone resistance
Excellent
Phosphoric acid (50%)
Excellent
Nitric acid (40%)
Good
Hydrochloric acid (38%)
Excellent
Acid resistance
Excellent
Sulfuric acid (30%)
Excellent
Silicone oils and greases
Excellent
Drinking water
Excellent
Suds (laundry detergent)
Excellent
Sugar (watery)
Excellent
Permitted temperature range
-25 – +150 °C
INFORMATION
The low rated stability of EPDM in case of contact with mineral oils, gasoline, grease
etc. results from the fact that EPDM swells when it comes into contact with these ma-
terials. However, these chemicals do not destroy EPDM.
21316996/EN – 12/2014
Содержание MOVIFIT FC
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