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ASTM-C581:2008 Edition

ASTM-C581:2008 Edition

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C581-03(2008)e1 Standard Practice for Determining Chemical Resistance of Thermosetting Resins Used in Glass-Fiber-Reinforced Structures Intended for Liquid Service

Published By Publication Date Number of Pages
ASTM 2008 5
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ASTM C581-03-e1-Reapproved2008

Historical Standard: Standard Practice for Determining Chemical Resistance of Thermosetting Resins Used in Glass-Fiber-Reinforced Structures Intended for Liquid Service

ASTM C581

Scope

1.1 This practice is designed to evaluate, in an unstressed state, the chemical resistance of thermosetting resins used in the fabrication of reinforced thermosetting plastic (RTP) laminates. This practice provides for the determination of changes in the properties, described as follows, of the test specimens and test reagent after exposure of the specimens to the reagent: hardness of specimens, weight change thickness, appearance of specimens, appearance of immersion media, and flexural strength and modulus.

1.2 The values stated in inch-pound units are to be regarded as standard. The values given in parentheses are mathematical conversions to SI units that are provided for information only and are not considered standard.

Note 1ā€”This practice may also be used to evaluate other factors, such as surfacing veils, the effect of resin additives, and fabrication variables on the chemical resistance of the resin.

Note 2ā€”There is no known ISO equivalent to this standard.

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.

Keywords

chemical resistance; glass-fiber-reinforced; glass-reinforced plastic (GRP); laminate; liquid service; reinforced thermosetting plastic (RTP); reinforced thermosetting resins; thermosetting resins; Chemical resistance–plastics; Laminates (plastic); Reinforced thermosetting plastics (RTP); Resins; Structural plastics

ICS Code

ICS Number Code 83.120 (Reinforced plastics)

DOI: 10.1520/C0581-03R08E01

PDF Catalog

PDF Pages PDF Title
1 Scope
Referenced Documents
Significance and Use
Apparatus
2 Reagents
Test Specimens
3 Procedure
Calculation
4 Interpretation of Results
Report
Precision and Bias
FIG. 1
5 Keywords

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