ASTM-F2338 2005

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F2338-05 Standard Test Method for Nondestructive Detection of Leaks in Packages by Vacuum Decay Method

Published By	Publication Date	Number of Pages
ASTM	2005	9

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Categories: 55.180.40 - Complete, filled transport packages, ASTM

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Description

ASTM F2338-05

Historical Standard: Standard Test Method for Nondestructive Detection of Leaks in Packages by Vacuum Decay Method

ASTM F2338

Scope

1.1 Test Packages—Packages that can be nondestructively evaluated by this test method include:

1.1.1 Rigid and semi-rigid non-lidded trays.

1.1.2 Trays or cups sealed with porous barrier lidding material.

1.1.3 Rigid, nonporous packages.

1.1.4 Flexible, nonporous packages (see 1.2.4).

1.2 Leaks Detected&#8212This test method is capable of detecting package leaks using an absolute or differential pressure transducer leak detector. The sensitivity of a test is a function of the sensitivity of the transducer, the package design, the design of the package test fixture, and critical test parameters of time and pressure. Types and sizes of leaks that may be detected for various package systems, as well as test sensitivities are described below. These data are based on precision and bias confirmation studies.

1.2.1 Trays or Cups (Non-lidded)—Hole or crack defects in the wall of the tray/cup of at least 50 μm in diameter can be detected at a Target Vacuum of 4·10⁴ Pa (400 mbar) using an absolute pressure transducer test instrument.

1.2.2 Trays Sealed with Porous Barrier Lidding Material—Hole or crack defects in the wall of the tray/cup of at least 100 μm in diameter can be detected. Channel defects in the seal area (made using wires of 125 μm in diameter) can be detected. Severe seal bonding defects in both continuous adhesive and dot matrix adhesive package systems can be detected. Slightly incomplete dot matrix adhesive bonding defects can also be detected. All porous barrier lidding material packages were tested at a Target Vacuum of 410⁴ Pa (400 mbar) using an absolute pressure transducer test instrument. Using a calibrated volumetric airflow meter, the sensitivity of the test for porous lidded packages is shown to be approximately 10^-2 Pam³s^-1.

1.2.3 Rigid, Nonporous Packages—Hole defects of at least 5 μm in diameter can be detected. All rigid, nonporous packages were tested at a target vacuum of 5·10⁴ Pa (500 mbar) using a differential pressure transducer test instrument. Using a calibrated volumetric airflow meter, the sensitivity of the test for rigid, nonporous packages is shown to be approximately 10^-4 P·am³s ^-1.

1.2.4 Flexible, Nonporous Packages—Such packages may also be tested by the vacuum decay method using either an absolute or differential pressure tranducer test instrument. The instrument should be selected based on the leak test sensitivity desired. Sensitivity data for flexible packages were not included in the precision and bias studies, although the use of vacuum decay for testing such packages is well known.

1.3 Test Results—The test results are qualitative (Accept/Reject). Acceptance criteria for test results are established from quantitative baseline vacuum decay measurements obtained from control, non-leaking packages.

1.4 Standard Value Units—The values used in this test method are stated in SI units and are to be regarded as standard units. Values in parentheses are for information only.

1.5 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

absolute pressure transducer; barrier performance; block; criteria parameters; differential pressure transducer; flexible packaging; food packages; hole leaks; holes; leaks; mask; medical packages; non-destructive testing; package integrity monitoring; package integrity test; permeable packaging; pharmaceutical packages; porous barrier; porous barrier material; porous packaging; pressure change leak testing; pressure transducer; seal integrity monitoring; seal integrity test; seal leaks; semi-rigid thermoformed trays; sterile integrity test; vacuum decay leak testing; vacuum leak testing; volumetric airflow meter

ICS Code

ICS Number Code 55.180.40 (Complete, filled transport packages)

DOI: 10.1520/F2338-05

PDF Catalog

PDF Pages	PDF Title
1	Scope Referenced Documents Terminology
2	Summary of Test Method Significance and Use Apparatus
3	Hazards Calibration and Standardization FIG. 1
4	Procedure FIG. 2
5	Report Precision and Bias TABLE 1
6	Keywords TABLE 2 TABLE 3
7	A1. VACUUM DECAY LEAK TEST THEORY A1.1 A1.2 A1.3 TABLE 4 TABLE 5
8	A1.4 A1.5 A2. ESTABLISHING CRITICAL TEST PARAMETERS AND VERIFYING TEST SENSITIVITY A2.1 A2.2 Test Qualification A2.3 Test Sensitivity Verification

Additional information

Standard Title	F2338-05 Standard Test Method for Nondestructive Detection of Leaks in Packages by Vacuum Decay Method
Published Code	ASTM
Publication Date	2005
Pages Count	9
ICS Codes	55.180.40 - Complete, filled transport packages