ASTM-E1216 Standard Practice for Sampling for Particulate Contamination by Tape Lift

ASTM-E1216 - 2011 R16 EDITION - CURRENT
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Standard Practice for Sampling for Particulate Contamination by Tape Lift
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Scope

1.1 This practice covers procedures for sampling surfaces to determine the presence of particulate contamination, 5 μm and larger. The practice consists of the application of a pressure-sensitive tape to the surface followed by the removal of particulate contamination with the removal of the tape. The tape with the adhering particles is then mounted on counting slides. Counting and measuring of particles is done by standard techniques.

1.2 This practice describes the materials and equipment required to perform sampling of surfaces for particle counting and sizing.

1.3 The criteria for acceptance or rejection of a part for conformance to surface cleanliness level requirements shall be determined by the user and are not included in this practice.

1.4 This practice is for use on surfaces that are not damaged by the application of adhesive tape. The use of this practice on any surface of any material not previously tested, or for which the susceptibility to damage is unknown, is not recommended. In general, metals, metal plating, and oxide coatings will not be damaged. Application to painted, vapor deposited, and optical coatings should be evaluated before implementing this test.

1.5 This practice provides three methods to evaluate tape lift tests, as follows:

 

Sections

 

 

Practice A—This method uses light transmitted through the tape
 and tape adhesive to detect particles that adhere to it.

4 to 6

 

Practice B—This method uses light transmitted through the tape
 adhesive after bonding to a base microscope slide, dissolving
 the tape backing, and a cover slide. The particles are embedded
 in the adhesive, and air bubbles are eliminated with acrylic
 mounting media.

7 to 9

 

Practice C—This method uses light reflected off the tape adhesive
 to detect particles that adhere to it.

10 to 12

1.6 The values stated in SI units are to be regarded as standard. No other units of measurement are included in this standard.

1.6.1 Exception—The inch-pound units given in parentheses are for information only.

1.7 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.

Keywords

particulate contamination; pressure-sensitive tape; sampling;; ICS Number Code 49.040 (Coatings and related processes used in aerospace industry); 49.140 (Space systems and operations)

To find similar documents by ASTM Volume:

15.03 (Space Simulation; Aerospace and Aircraft; Composite Materials)

To find similar documents by classification:

49.040 (Coatings and related processes used in aerospace industry Coatings for general use, see 25.220)

49.140 (Space systems and operations Including space data and information transfer systems, and ground support equipment for launch site operations)

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Document Number

ASTM-E1216-11(2016)

Revision Level

2011 R16 EDITION

Status

Current

Modification Type

Reapproval

Publication Date

Oct. 15, 2016

Document Type

Practice

Page Count

5 pages

Committee Number

E21.05