| Manufactures des Outils Dumont S.A., Switzerland
Original DUMONT forceps are recognized the world over for their exceptional
quality and durability. During manufacture, the micro structure of the fine
rolled steel is carefully preserved during the filing and machining and the
flexibility, elasticity and maximum strength are maintained down to the
microscopically matched tips. Each forceps is adjusted to give the user a
sensitive "feel" of the material being handled. The inner surfaces of the tips
are smooth for a gentle holding grip. |
Standard The standard Dumont tips are designed for the most
exacting work under the microscope. The approximate dimensions of these tips
vary with the different forceps. See dimensions given with each item. Slight
variation to the given dimensions can occur, as the tips are hand fashioned.
Biologie The imprint "Biologie" identifies forceps especially
produced for the biological sciences. In overall shape and dimension
these forceps are identical to the standard styles but have the added feature of
tips which are approximately twice as fine.
Dumont's finest tips We are frequently asked for the Dumont
forceps with the finest
tip.
Alloys
Carbon will stand hard use of the tips but has the disadvantages of
staining easily and being highly magnetic. Do not autoclave!
Inox is an alloy which has a certain amount of chromium added to
carbon steel. This results in some loss of hardness but offers good stainless
qualities. Inox forceps are magnetic.
Dumoxel is a patented Dumont alloy which provides optimal
stainless steel features while still retaining adequate hardness. This
combination makes it the most requested type of metal in Dumont forceps.
Dumoxel is nonmagnetic.
Titanium forceps have several distinct advantages. They are fully
corrosion resistant. For instance, salt water is non-reactive to this
alloy. Although not as hard as Inox, it is a more flexible metal. It is also 40%
lighter than stainless steel, giving greater mobility with less user fatigue.
Titanium forceps are 100% nonmagnetic and heat resistant to temperatures up to
440° C (824° F)
Dumostar After years of research and testing,
Dumont has developed this advanced alloy for the express purpose of maintaining
fine tips. Made of 40% Cobalt, Dumostar is much more durable and elastic than
the best stainless steels. It has a very high resistance to corrosive solvents
such as sea water and strong acids and also has a temperature resistance of up
to 550°C (1022°F). FST has tested Dumont's alloys in everyday use by some of our
best customers and found Dumostar forceps to last, on average, four times longer
than Dumoxel and Inox. We believe that, despite it's higher initial cost,
Dumostar is the most cost effective alloy for the research lab. Main
features
- Resistant to fatigue, modulus of elasticity 210,000 MPA
- Hardness about 720 Vickers / 61 Rockwell on the tips.
- Resistance to high temperatures 550°C max.
- Very good resistance to corrosion: sea water, HCl,
H3PO4, HNO3, H2SO4;
Its resistance is superior to that of the best stainless steel.
- It is fully non-magnetic.
Complete list of Dumont forceps:
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