Astm D 4141 – 01 pdf free download

Standard Practice for
Conducting Black Box and Solar Concentrating Exposures
of Coatings1

This standard is issued under the fixed designation D 4141; 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 (e) indicates an editorial change since the last revision or reapproval.

1. Scope

1.1 This practice covers two accelerated outdoor exposure
procedures for evaluating the exterior durability of coatings
applied to substrates.

1.2 The two procedures are as follows:

1.2.1 Procedure A—Black Box Exposure.

1.2.2 Procedure B has been deleted from this practice.

1.2.3 Procedure C—Fresnel Reflector Rack Exposure.
NOTE 1—Procedure B described a Heated Black Box procedure that is
no longer in common use.

1.3 This standard does not cover all the procedures that are
available to the user for accelerating the outdoor exposure of
coatings. Other procedures have been used in order to provide
a particular effect; however, the two procedures described here
are widely used.

1.4 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.

2. Referenced Documents

2.1 ASTM Standards:
D 523 Test Method for Specular Gloss2
D 660 Test Method for Evaluating Degree of Checking of
Exterior Paints2
D 661 Test Method for Evaluating Degree of Cracking of
Exterior Paints2
D 662 Test Method for Evaluating Degree of Erosion of
Exterior Paints2
D 714 Test Method for Evaluating Degree of Blistering of
Paints2
D 772 Test Method for Evaluating Degree of Flaking (Scaling) of Exterior Paints2
D 823 Practices for Producing Films of Uniform Thickness
of Paint, Varnish, and Related Products on Test Panels2
D 1186 Test Methods for Nondestructive Measurement of

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