ASTM-D5419:2003 Edition

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D5419-95(2003) Standard Test Method for Environmental Stress Crack Resistance (ESCR) of Threaded Plastic Closures

Published By	Publication Date	Number of Pages
ASTM	2003	5

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Categories: 83.080.20 - Thermoplastic materials, ASTM

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Description

ASTM D5419-95-Reapproved2003

Historical Standard: Standard Test Method for Environmental Stress Crack Resistance (ESCR) of Threaded Plastic Closures

ASTM D5419

Scope

1.1 This test method determines the susceptibility of threaded plastic closures to failure due to environmental stress cracking (ESC).

1.2 Threaded plastic closures in use may contact agents that appreciably reduce the stress at which cracks form. Examples of such agents are: soaps, detergents, oils, and liquid bleaches.

1.3 Other major factors that influence environmental stress crack resistance (ESCR) of threaded plastic closures are the closure material(s), closure design, molded-in stress, and applied stress.

1.4 This procedure applies particularly to closures made from plastics based on polypropylene (PP) or polystyrene (PS). It may also apply to other polymers.

1.5 The values stated in SI units are to be regarded as the standard.

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. Specific precautionary statements are given in Section 8 and Note 2.

Keywords

closures; environmental stress crack resistance (ESCR); failure; stress crack; threaded plastic closures

ICS Code

ICS Number Code 83.080.20 (Thermoplastic materials)

DOI: 10.1520/D5419-95R03

PDF Catalog

PDF Pages	PDF Title
1	Scope Referenced Documents Terminology Summary of Test Method Significance and Use Apparatus
2	Reagents and Materials Hazards Test Specimens Conditioning Procedure FIG. 1
3	Calculation Report Precision and Bias FIG. 2
4	Keywords X1. EXAMPLE OF GRAPHICAL DETERMINATION OF F50 X1.1 X1.2 X1.3 X1.4 X1.5 TABLE 1 TABLE X1.1 TABLE X1.2

Additional information

Standard Title	D5419-95(2003) Standard Test Method for Environmental Stress Crack Resistance (ESCR) of Threaded Plastic Closures
Published Code	ASTM
Publication Date	2003
Pages Count	5
ICS Codes	83.080.20 - Thermoplastic materials