ASTM D3776 PDF

Fabric weight standard test method for Mass Per Unit Area (weight) of fabric using ASTM Test Method D Designation: D /DM – 09a Standard Test Methods for Mass Per Unit Area (Weight) of Fabric1 This standard is issued under the?xed. ASTM D/DMa(). Standard Test Methods for Mass Per Unit Area (Weight) of Fabric. standard by ASTM International, 07/15/.

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Fabric Weight ASTM Test Method D3776

Summary of Test Methods 4. This standard is also available to be included in Standards Subscriptions. The accuracy of the scale should be certi? You can download and open this file to your own computer but DRM prevents opening this file on another computer, including a networked server. A number in parentheses indicates the year of last reapproval. Combining values from the two systems may result in non-conformance with the standard. 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.

Proceed to Checkout Continue Shopping. Weights of unconditioned fabric will be affected by the past history of the product.

Standard Test Method f Consider the rolls of fabric to be the primary sampling units. Mass per linear yard: It may be impractical to condition the specimens in Option A or nonconditioned testing may f3776 agreed asm by the purchaser and supplier.

Mass per unit area: The last option is Option D which is intended for use with narrow fabrics as so designated by the trade. For die-cut specimens, the area of the die is normally given.

Your comments are invited either for satm of this standard or for additional standards and should be addressed to ASTM International Headquarters. Fabric mass is also sometimes expressed inversely as linear metres per kilograms yards per pound with the fabric width stated. Already Subscribed to this document. If insufficient fabric is available to meet these criteria, note that fact in the report.

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Link to Active This link will always route to the current Active version of the standard. Describe the material or product sampled and the method of sampling used.

Competent statistical assistance is recommended for the investigation of bias. The second option is Option B which is applicable to a full-width sample cut from a full piece, roll, bolt, or cut. Combining values from the two systems may result in non-conformance with the standard.

Option C—Small Swatch of D33776 9. The results are considered to be applicable to the sample only and not necessarily to the lot from which the sample was taken.

Two operators in each laboratory each tested two specimens of each material for mass per unit area.

It is informational only and not an official part of the standard; the full text of the standard itself must be referred to for its use and application. Last previous edition approved in as D — The results are considered to be applicable to the sample only and not necessarily to the lot from which the sample was taken. The values stated in each system may not be exact equivalents; therefore, each system shall be used independently of the other.

There are four approved options in the measurement of fabric mass per unit area: Specimens of a fabric may be weighed together. Consider the rolls of fabric in the lot sample as the laboratory sample and as the test specimens. The test specimens should then be randomly assigned in equal numbers to each laboratory for testing.

These fabrics are usually mm 12 in.

Option C on the other hand is applicable when a small swatch of fabric is sent to the laboratory to be used as the test asm. No further reproductions authorized. When the full rolls or bolts of fabric cannot be properly conditioned in a reasonable time with available facilities, perform the tests without conditioning and report the actual conditions prevailing at the time of the test. Please first verify your email before subscribing to alerts.

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ASTM D/DMae1 – Standard Test Methods for Mass Per Unit Area (Weight) of Fabric

Individual reprints single or multiple copies of this standard may be obtained by contacting ASTM at the above address or at phonefaxor service astm. The cut edges must be a straight line, free of indentations or bulges, unless both edges have been made to trace parallel?

If a bias is found, either its cause must be found and corrected or the purchaser and the supplier must agree to interpret future test results in the light of the known bias.

For other specimens, multiply the length by the width. Current edition approved July 1, NOTE 2—The tabulated values of the critical differences should be considered to be a general statement, particularly with respect to betweenlaboratory precision.

Standards Subscriptions from ANSI provides a money-saving, multi-user solution for accessing standards. Prepare such specimens from small swatches as is possible.

Your Alert Profile lists the documents that will be monitored. Combining values from the two systems may result in non-conformance with the standard.

You may delete a document from your Alert Profile at any time. We have no amendments or corrections for this standard. Referenced Documents purchase separately The documents listed below are referenced within the subject standard but are not provided as part of the standard.