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Significance and Use
The impact strength of PVC profiles relates to suitability for service and to quality of processing. Impact tests are used for quality-control purposes and as an indication that products can withstand handling during assembling, installation, or in service.
Results obtained by use of this test method are able to be used in two ways:
As the basis for establishing impact-test requirements in product standards, and
To measure the effect of changes in materials or processing.
1.1 This test method covers the determination of the energy required to crack or break rigid poly(vinyl chloride) (PVC) profile under specified conditions of impact by means of a falling weight.
1.2 This test method is used either by itself or in conjunction with other methods for measuring PVC product toughness.
1.3 Because of the wide variety of profile sizes and shapes and the wide variety of manufacturing procedures and field abuse, this test method does not correlate universally with all types of abuse. Therefore, correlations must be established as needed.
1.4 The text of this standard references notes and footnotes which provide explanatory material. These notes and footnotes (excluding those in tables and figures) shall not be considered as requirements of this standard.
1.5 The values stated in inch-pound units are to be regarded as the standard.
Note 1—There is no known ISO equivalent to this standard.
1.6 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
D883 Terminology Relating to Plastics
E178 Practice for Dealing With Outlying Observations
ICS Number Code 83.140.01 (Rubber and plastic products in general)
UNSPSC Code 13102030(Polyvinyl Chloride PVC)