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Alumaseal® Ferrules*
• Aluminum construction—will not crack or fragment.
• No retightening required after temperature cycles—excellent for GC/MS.
• Eliminate out-gassing, make leak-tight seals, for less detector noise.
• Unique two-piece design permanently locks on fused silica tubing without
causing breakage.
• Will not stick in fittings, unlike Vespel® or graphite.
• Stable to 550 °C.
• Use with any
1
/
16
" compression-type fitting.
*Patent pending.
Reducing Ferrules
Available in graphite or Vespel®/graphite.
Ferrule ID
Fits Column ID
qty. cat.#
price
0.4mm
0.25mm
10-pk. 21472
0.5mm
0.32mm
10-pk. 21473
0.8mm
0.53mm
10-pk. 21474
Fitting Size
Ferrule ID
Fits Column ID
qty.
Graphite
Vespel/Graphite
1
/
8
"
0.4mm
0.25mm
5-pk. 20205
20254
1
/
8
"
0.5mm
0.32mm
5-pk. 20205
20255
1
/
8
"
0.8mm
0.53mm
5-pk. 20206
20215
1
/
4
"
0.4mm
0.25mm
5-pk. 20203
—
1
/
4
"
0.5mm
0.32mm
5-pk. 20203
20257
1
/
4
"
0.8mm
0.45/0.53mm
5-pk. 20204
20217
restek
innovation
!
• Will not crack or fragment.
• Excellent for GC/MS.
Alumaseal®
Ferrules
for
1
/
16
-,
1
/
8
-, and
1
/
4
-Inch Fittings
Available in Vespel®, graphite, or Vespel®/graphite.
Fitting Size
Ferrule ID
qty.
Vespel
Graphite
Vespel/Graphite
1
/
4
"
3
/
16
"
5-pk. —
—
—
—
20258
1
/
16
"
1
/
16
"
10-pk. 22210
20207
20218
1
/
8
"
1
/
8
"
10-pk. 22211
20208
20219
1
/
8
"
reduce to
1
/
16
" 10-pk. —
20209
20220
1
/
4
"
1
/
4
"
10-pk. 22212
20210
20221
1
/
4
"
reduce to
1
/
8
" 10-pk. 22219
20225
20222
1
/
4
"
reduce to
1
/
16
" 10-pk. —
—
20226
20223
Two-Hole Ferrules
for
1
/
8
-Inch and
1
/
16
-Inch Compression-Type Fittings
Fitting Size
Ferrule ID
Fits Column ID
qty. Vespel/Graphite
1
/
16
"
0.4mm
0.25/0.28mm
5-pk. 24848
1
/
16
"
0.5mm
0.32mm
5-pk. 24849
1
/
8
"
0.8mm
0.45/0.53mm
5-pk. 20246
Blank Ferrules
for
1
/
16
-Inch Fittings
Fitting Size
Ferrule ID
qty. Vespel/Graphite
1
/
16
"
no hole
10-pk. 20240
Website : www.chromtech.net.au E-mail : info@chromtech.net.au TelNo : 03 9762 2034 . . . in AUSTRALIA Mar