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1.1 This test method covers procedures for determining the permeability of thermoplastic containers to packaged reagents or proprietary products under specified conditions of exposure. The exposures used are intended to simulate the normal and elevated temperature-storage conditions that might be encountered in end-use application.
1.2 This test method is applicable only to those types of containers designed to allow positive, leakproof closure.
1.3 Two procedures are provided:
1.3.1 Procedure A is specific to testing only with a standard design container. This procedure provides for determinations of rate of weight loss (or gain) and for calculation of a permeability factor.
1.3.2 Procedure B-- applies to tests of all other container designs. Permeability data by this procedure are expressed only in terms of rate of weight loss (or gain) for the particular container tested.
1.4 The values stated in SI units are to be regarded as the standard.
Note 1--There is no similar or equivalent ISO Standard.
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.
2. Referenced Documents (purchase separately) The documents listed below are referenced within the subject standard but are not provided as part of the standard.
D618 Practice for Conditioning Plastics for Testing
D1505 Test Method for Density of Plastics by the Density-Gradient Technique
D4976 Specification for Polyethylene Plastics Molding and Extrusion Materials
E145 Specification for Gravity-Convection and Forced-Ventilation Ovens
UNSPSC Code 13102000(Thermoplastic plastics); 30265802(Plastic sheet)