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Tempilstik
Tempil's industrial melting point standards are
simple, reliable and guaranteed accurate within 1%.
Tempilstik technology was developed to meet the
demand for measuring surface temperatures during
preheat, interpass and postweld heat treatment
temperatures. When the Tempilstik° mark melts...the
temperature has been reached. Nothing could be
simpler. Over 100 temperature ratings available
between 100°F (38°C) and 2500°F (1371°C). Lot
numbered for NIST traceability in accordance with
ISO 10012-1.
Applications
A few of the hundreds of uses for Tempilstik
temperature indicators include: Determining surface
temperatures during welding and metal fabrication
including preheat, interpass, postweld heat treatment,
annealing and stress relieving.
Determining operating temperatures of bearings,
transformers, steam traps, molds, PC board
preheaters, motors, electronic components, hydraulic
systems, commercial irons, hot plates & heat
exchangers.
How to Use
When working below 700°F (371°C) on relatively
rough surfaces, where prolonged heating is not
required, the simplest method is to mark the
workpiece before heating begins. The dry opaque
Tempilstik mark will change to a distinct melted
mark; this phase change will occur when the
temperature rating of the selected Tempilstik has
been reached.
CAUTION - Disregard any color change that may
occur during heating. This has no significance. It is
only the melting of the Tempilstik mark that
indicates when the rated temperature has been
reached.
At temperatures above 700°F (371°C) or under
prolonged heating, the Tempilstik mark may
evaporate or be absorbed. Under these conditions,
stroke the workpiece with the selected Tempilstik
from time to time during the heating operation.
When the rated temperature has been reached, it
will leave a liquid smear. This method should also
be used if a smooth surface is involved, where the
hard Tempilstik chalk will not leave a mark.
Cleaning
For temperature ratings of 650°F (343°C) or below,
the Tempilstik mark can be removed (if it has not
been charred) with alcohol or water; for ratings
above 650°F (343°C), use water only. If the mark has
been heated well above the rated temperature and
has become charred, an abrasive procedure may be
required. |
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