tubing
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Valco Instruments Co. Inc. Sales:
800–367–8424
Fax: 713–688–8106
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87
Electroformed Nickel Tubing
Electroformed nickel
(EFNi)
Nickel 200 alloy
Type 316 stainless steel
Our microbore EFNi tubing is made by
electroplating nickel over a diamond-
drawn mandrel in a continuous
process. When the mandrel is
removed, an internal surface with
a mirror-like 1-2 microinch finish
remains. The ductile nature of
nickel allows the tubing to be easily
manipulated. Unlike glass- or silica-
lined stainless, EFNi can accept tight
bends and cutting without heating,
and does not release damaging
glass fragments or silica particles.
0.05 mm = .002"
0.10 mm = .004"
0.12 mm = .005"
0.25 mm = .010"
0.50 mm = .020"
0.75 mm = .030"
1.0 mm = .040"
1.5 mm = .060"
2.0 mm = .080"
4.6 mm = .180"
6.0 mm = .236"
6.4 mm = .253"
7.0 mm = .275"
10.0 mm = .400"
27.0 mm = 1.08"
1/32" = 0.8 mm
1/16" = 1.6 mm
1/8" = 3.2 mm
1/4" = 6.4 mm
3/8" = 9.5 mm
1/2" = 12.7 mm
360 µm OD EFNi tubing
Custom lengths
Prices are per foot. See pricing note in box at left.
Tubing ID Prod No Max length 1-9 feet
10-24 feet
25-50 feet
.001"
TEFNI.101 1 foot
.002"
TEFNI.102 2 feet
.004"
TEFNI.104 20 feet
.005"
TEFNI.105 30 feet
.007"
TEFNI.110 50 feet
1/32" OD EFNi tubing
Custom lengths
Prices are per foot. See pricing note in box at left.
Tubing ID Prod No Max length 1-9 feet
10-24 feet
25-50 feet
.002"
TEFNI.502 2 feet
.004"
TEFNI.504 20 feet
.005"
TEFNI.505 30 feet
.007"
TEFNI.507 50 feet
.010"
TEFNI.510 50 feet
.012"
TEFNI.512 50 feet
.015"
TEFNI.515 50 feet
.020"
TEFNI.520 50 feet
1/16" OD EFNi tubing
Custom lengths
Prices are per foot. See pricing note in box at left.
Tubing ID Prod No Max length 1- 9 feet
10-24 feet
25-50 feet
.020"
TEFNI120 50 feet
.030"
TEFNI130 50 feet
.040"
TEFNI140 50 feet
A comparison of the interiors of
commonly used tubing (below) shows
the quality of the electroformed nickel
tubing surface. (All photos are x500
magnification.) The rough interior
surface of the mill-drawn Nickel 200
tubing has potential for carryover or
cross contamination, and both the
Nickel 200 and the stainless steel
contain pits, voids, striations, and
particles – problems which intensify
as the ID decreases.
Custom IDs/ODs are available upon
request.
1/16" OD
x .040" ID
360 µm OD
x .001" ID
1/32" OD
x .004" ID
Three sizes of electroformed nickel tubing
pricing per foot
For pricing purposes,
the length is rounded
up to the next foot. For
example, a 5" piece is
charged as one foot; an
18" piece as two feet. The
price per foot is based on
the length of each piece,
not the total quantity
ordered. Cutting and
cleaning charges are
included in the price per
foot for EFNi tubing.
CHROMalytic TECHnology Pty Ltd AUSTRALIAN Distributors e-mail:
Tel: 03 9762 2034
