Heidolph PD 5001 Mode D'emploi page 69

Designation
Advantages
Limitations
Use with:
Acids
Lyes
Solvents
Pressure
Vacuum
Viscous media
Sterile media
Temperature range
Physical properties
Complies with
standards
Permeability*) CO
2
H
2
O
2
N
2
Cleaning/sterilization
®
PharMed
Ideal for non-toxic and non-
haemolytic cell cultures and
tissues. Impervious to normal
light and UV radiation. The tube
can be welded, bonded and
formed. Very long life. Low gas
permeability.
Additives may become
disassociated.
good
good
unsuitable
good
excellent
good
excellent
-60 to +130 °C
Thermoplastic elastomeron a
polypropylene basis with
plasticizers. Excellent tensile
strength. Opaque, beige.
USP, Class VI
FDA21 CFR 177.2600
NSF (standard 51)
450
-
75
29
Can be autoclaved without
ageing symptoms.
69
Silikon
Excellent bio-compatibility.
Practically no disassociation of
plasticizers and additives.
Neutral to smell and taste. Not
susceptible to mildew. Ideal for
low temperatures. Waterproof;
resistant to ozone, radiation and
sunlight. Does not warp. Silicon
peroxide; hot vulcanized.
Unsuitable for concentrated
acids, solvents, oils, acids or
diluted caustic soda. Relatively
highly pervious to gas.
under certain conditions
under certain conditions
unsuitable
satisfactory
good
satisfactory
excellent
-50 to +230 °C
Polydimethylsiloxane with sili-
ceous earth and silicon
additives. Translucent, white.
Excellent resistance to contact
pressure.
USP, Class VI
FDA21 CFR 177.2600
20132
6579
7961
2763
Can be cleaned with hot water
and suds. Use only soap
without oil additives; use no
synthetic detergents. Rinse
with distilled water. Can be
sterilized by autoclaving in a
moist atmosphere or with
gamma rays. Cannot be
sterilized with ethylene oxide.
®
Viton
Highly resistant to chemicals.
Excellent resistance to corrosive
media, solvents and oils at high
temperatures. Only slightly
pervious to gas.
Limited life span.
excellent
excellent
varies, tests recommended
good
good
good
satisfactory
-30 to +200 °C
Fluorocarbon rubber, thermally
formed.
Viton B (67 fluorinated).
Opaque, black.
76-79
-
13-15
4,3
Can be sterilized at 249°C in
16 hours in a circulating air
heating cabinet.
IEI