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ASTM D3259-95(2001)e1

(Practice)

Standard Practice for Infrared Determination of the Temperature of Applied Coatings on Wood Products During the Curing Cycle (Withdrawn 2009)

Standard Practice for Infrared Determination of the Temperature of Applied Coatings on Wood Products During the Curing Cycle (Withdrawn 2009)

SIGNIFICANCE AND USE
The forest products finishing industry has encountered difficulties in measuring the temperature of painted surfaces prior to, during, and after the curing process. The use of thermocouples is not entirely satisfactory because the thermocouple wires tend to conduct heat away too rapidly from the area where the temperature is being measured. Infrared radiation thermometers that are simple to operate can circumvent this difficulty. After calibration they are aimed at the surface, switched on, and the temperature read directly from an indicating gage.
Note 1—Temperature-sensitive crayons, papers, and pellets may be successfully used to measure only the highest temperature reached by painted surfaces during the curing cycle.
There are several different types of infrared radiation thermometers, including those based on lead sulfide or thermistor sensors and those that are simple thermal voltaic transducers. As such they respond to different wavelengths of infrared radiation and have different areas of applicability. Only instruments that have been evaluated are included in this practice.
SCOPE
1.1 This practice is intended to serve as a guide in measuring with infrared instruments the temperature during the curing process of coatings applied to wood products.
1.2 The values stated in SI units are to be regarded as the standard. The values given in parentheses are for information only.
1.3  This standard does not purport to address all of the safety concerns, if any, associated with its use. It is the responsibility of the user of this standard to establish appropriate safety and health practices and determine the applicability of regulatory limitations prior to use.
WITHDRAWN RATIONALE
This practice is intended to serve as a guide in measuring with infrared instruments the temperature during the curing process of coatings applied to wood products.
Formerly under the jurisdiction of Committee D01 on Paint and Related Coatings, Materials, and Applications, this practice was withdrawn in December 2009. This standard is being withdrawn without replacement because it is no longer technically relevant.

General Information

Status
Withdrawn
Publication Date
31-Dec-1999
Withdrawal Date
30-Nov-2009
ICS
87.040 - Paints and varnishes
Technical Committee
D01 - Paint and Related Coatings, Materials, and Applications
Drafting Committee
D01.52 - Factory Coated Wood Products
Current Stage
Ref Project

Relations

Replaces
ASTM D3259-95 - Standard Practice for Infrared Determination of the Temperature of Applied Coatings on Wood Products During the Curing Cycle
Effective Date
01-Jan-2000

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ASTM D3259-95(2001)e1 - Standard Practice for Infrared Determination of the Temperature of Applied Coatings on Wood Products During the Curing Cycle (Withdrawn 2009)ASTM D3259-95(2001)e1 - Standard Practice for Infrared Determination of the Temperature of Applied Coatings on Wood Products During the Curing Cycle (Withdrawn 2009)
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ASTM D3259-95(2001)e1 - Standard Practice for Infrared Determination of the Temperature of Applied Coatings on Wood Products During the Curing Cycle (Withdrawn 2009)
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NOTICE: This standard has either been superseded and replaced by a new version or withdrawn.
Contact ASTM International (www.astm.org) for the latest information.
´1
Designation:D3259–95 (Reapproved 2001)
Standard Practice for
Infrared Determination of the Temperature of Applied
Coatings on Wood Products During the Curing Cycle
This standard is issued under the fixed designation D3259; the number immediately following the designation indicates the year of
original adoption or, in the case of revision, the year of last revision. A number in parentheses indicates the year of last reapproval. A
superscript epsilon (´) indicates an editorial change since the last revision or reapproval.
´ NOTE—Editorial changes made in Section 3 in February 2001.
1. Scope infrared radiation and have different areas of applicability.
Only instruments that have been evaluated are included in this
1.1 This practice is intended to serve as a guide in measur-
practice.
ing with infrared instruments the temperature during the curing
process of coatings applied to wood products.
3. Apparatus
1.2 The values stated in SI units are to be regarded as the
3.1 The method of measurement has changed to include
standard. The values given in parentheses are for information
virtually all non-surface contact measurement devices. Such
only.
devices may be portable (hand held) with nearly instantaneous
1.3 This standard does not purport to address all of the
readout or stationary with a remote readout.
safety concerns, if any, associated with its use. It is the
3.2 Modern devices come equipped with an automatic
responsibility of the user of this standard to establish appro-
emissivity compensation system.
priate safety and health practices and determine the applica-
bility of regulatory limitations prior to use.
4. Procedure
4.1 Calibration—Calibrateeachinstrumentaccordingtothe
2. Significance and Use
instructions of the manufacturer.Astandard blackbody capable
2.1 The forest products finishing industry has encountered
of being controlled at various temperatures is almost essential
difficulties in measuring the temperature of painted surfaces
for calibration. One such blackbody is a modified hot plate
prior to, during, and after the curing process. The use of
with a 13-mm ( ⁄2-in.) thick aluminum plate and a ventilated
thermocouples is not entirely satisfactory because the thermo-
cowling to minimize the effects of ambient drafts. A dial
couple wires tend to conduct heat away too rapidly from the
thermometer with its stem within the aluminum plate serves to
area where the temperature is being measured. Infrared radia-
monitor the temperature of the blackbody.
tion thermometers that are simple to operate can circumvent
4.2 Operation:
this difficulty. After calibration they are aimed at the surface,
4.2.1 Detailed instructions on the operation of each instru-
switched on, and the temperature read directly from an
ment are not included in this practice. Unless otherwise agreed
indicating gage.
follow the manufac
...

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