{"id":19944,"date":"2024-10-16T23:01:58","date_gmt":"2024-10-16T23:01:58","guid":{"rendered":"https:\/\/pdfstandards.shop\/product\/uncategorized\/astm-d1004\/"},"modified":"2024-10-24T12:53:53","modified_gmt":"2024-10-24T12:53:53","slug":"astm-d1004","status":"publish","type":"product","link":"https:\/\/pdfstandards.shop\/product\/publishers\/astm\/astm-d1004\/","title":{"rendered":"ASTM-D1004"},"content":{"rendered":"
\n Significance and Use <\/b><\/p>\n

Tear resistance of plastic film or sheeting is a complex function of its ultimate resistance to rupture. The specimen geometry and speed of testing in this test method are controlled to produce tearing in a small area of stress concentration at rates far below those usually encountered in service. Experience has shown the test to have its best reliability for materials which do not have brittle failure or do not elongate greater than two hundred percent during testing.<\/p>\n

The data from this test method furnish comparative information for ranking the tearing resistance of plastic specimens of similar composition. Actual use performance in tearing of some plastics may not necessarily correlate with data from this test method.<\/p>\n

The resistance to tear of plastic film and sheeting, while partly dependent upon thickness, has no simple correlation with specimen thickness. Hence, tearing forces measured in newtons (or pounds-force) cannot be normalized over a wide range of specimen thickness without producing misleading data as to the actual tearing resistance of the material. Data from this test method are comparable only from specimens, which vary by no more than \u00b1 <\/span> 10 % from the nominal or average thickness of all specimens tested. Therefore, the tearing resistance is expressed in maximum newtons (or pounds-force) of force to tear the specimen.<\/p>\n

The tear resistance of plastic film may be a specification that requires the use of this test method, but with some procedural modifications that take precedence when adhering to the specification. Therefore, it is advisable to refer to that material specification before using this test method. Table 1 of Classification System D 4000 lists the ASTM materials standards that currently exist.<\/p>\n

1. Scope <\/b><\/p>\n

1.1 This test method covers the determination of the tear resistance of flexible plastic film and sheeting at very low rates of loading, 51 mm (2 in.)\/min. and is designed to measure the force to initiate tearing. The specimen geometry of this test method produces a stress concentration in a small area of the specimen. The maximum stress, usually found near the onset of tearing, is recorded as the tear resistance in newtons (or pounds-force). The method is not applicable for film or sheeting material where brittle failures occur during testing or where maximum extension is greater than 101.6 mm (4 in.).<\/p>\n

Note <\/span> 1\u2014Film has been arbitrarily defined as sheeting having nominal thickness not greater than 0.25 mm (0.010 in.).<\/p>\n

1.2 Constant-Rate-of-Grip Separation Test <\/span> \u2014 <\/span> This test method employs a constant rate of separation of the grips holding the test specimen.<\/p>\n

1.2.1 Specimen extension may be measured in this test method by grip separation.<\/p>\n

1.3 The values stated in SI units are to be regarded as the standard. The values given in parentheses are provided for information only.<\/p>\n

1.4 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. <\/span><\/p>\n

Note <\/span> 2\u2014There is no similar or equivalent ISO standard. <\/span><\/p>\n

2. Referenced Documents <\/b> (purchase separately) <\/i> The documents listed below are referenced within the subject standard but are not provided as part of the standard.<\/span><\/p>\n

ASTM Standards <\/b><\/p>\n

D618<\/span> Practice for Conditioning Plastics for Testing D882<\/span> Test Method for Tensile Properties of Thin Plastic Sheeting D883<\/span> Terminology Relating to Plastics D4000<\/span> Classification System for Specifying Plastic Materials D5947<\/span> Test Methods for Physical Dimensions of Solid Plastics Specimens D6988<\/span> Guide for Determination of Thickness of Plastic Film Test Specimens E4<\/span> Practices for Force Verification of Testing Machines E691<\/span> Practice for Conducting an Interlaboratory Study to Determine the Precision of a Test Method <\/p>\n

Keywords <\/b><\/p>\n

Graves; plastic film; tear; tear initiation; thin sheeting; Graves tear; Plastic sheet and film–tear resistance; Tear resistance; Thin sheeting;<\/p>\n

ICS Code <\/b><\/p>\n

ICS Number Code 83.140.10 (Films and sheets)<\/p>\n

DOI: <\/b> 10.1520\/D1004-09 ASTM International is a member of CrossRef. <\/p>\n

\n

ASTM D1004 (Plastics Standards)<\/h2>\n<\/p><\/div>\n

Citing ASTM Standards<\/span><\/p>\n

[Back to Top]<\/span><\/p>\n<\/div>\n","protected":false},"excerpt":{"rendered":"

D1004-09 Standard Test Method for Tear Resistance (Graves Tear) of Plastic Film and Sheeting (Redline)<\/b><\/p>\n\n\n\n\n
Published By<\/td>\nPublication Date<\/td>\nNumber of Pages<\/td>\n<\/tr>\n
ASTM<\/b><\/a><\/td>\n2009<\/td>\n5<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n","protected":false},"featured_media":19945,"template":"","meta":{"rank_math_lock_modified_date":false,"ep_exclude_from_search":false},"product_cat":[1184,2637],"product_tag":[],"class_list":{"0":"post-19944","1":"product","2":"type-product","3":"status-publish","4":"has-post-thumbnail","6":"product_cat-83-140-10","7":"product_cat-astm","9":"first","10":"instock","11":"sold-individually","12":"shipping-taxable","13":"purchasable","14":"product-type-simple"},"_links":{"self":[{"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/product\/19944","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/product"}],"about":[{"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/types\/product"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/media\/19945"}],"wp:attachment":[{"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/media?parent=19944"}],"wp:term":[{"taxonomy":"product_cat","embeddable":true,"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/product_cat?post=19944"},{"taxonomy":"product_tag","embeddable":true,"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/product_tag?post=19944"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}