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ASTM D3813/D3813M-98(2003)

(Test Method)

Standard Test Method for Curling and Twisting on Unwinding of Pressure-Sensitive Tapes

Standard Test Method for Curling and Twisting on Unwinding of Pressure-Sensitive Tapes

SCOPE
1.1 This test method provides one procedure for determining the extent of curling and the degree of twisting resulting from the unwinding of tape from its roll.  
1.2 The values stated in either SI or inch-pound units are to be regarded separately as standard. The values stated in each system may not be exact equivalents; therefore, each system must be used independently, without combining values in any way.  
1.3  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.

General Information

Status
Historical
Publication Date
09-Oct-1998
ICS
55.040 - Packaging materials and accessories
83.180 - Adhesives
Technical Committee
D10 - Packaging
Drafting Committee
D10.14 - Tape and Labels
Current Stage
Ref Project

Relations

Replaces
ASTM D3813/D3813M-98 - Standard Test Method for Curling and Twisting on Unwinding of Pressure-Sensitive Tapes
Effective Date
10-Oct-1998
Replaced By
ASTM D3813/D3813M-98(2007) - Standard Test Method for Curling and Twisting on Unwinding of Pressure-Sensitive Tapes
Effective Date
01-Oct-2007

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ASTM D3813/D3813M-98(2003) - Standard Test Method for Curling and Twisting on Unwinding of Pressure-Sensitive TapesASTM D3813/D3813M-98(2003) - Standard Test Method for Curling and Twisting on Unwinding of Pressure-Sensitive Tapes
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ASTM D3813/D3813M-98(2003) - Standard Test Method for Curling and Twisting on Unwinding of Pressure-Sensitive Tapes
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Standards Content (Sample)

NOTICE: This standard has either been superseded and replaced by a new version or withdrawn.
Contact ASTM International (www.astm.org) for the latest information
Designation: D 3813/D 3813M – 98 (Reapproved 2003)
Standard Test Method for
Curling, Twisting, and Tubing on Unwind of Pressure-
1
Sensitive Tapes
This standard is issued under the fixed designation D 3813/D 3813M; the number immediately following the designation indicates the
year of original adoption or, in the case of revision, the year of last revision. A number in parentheses indicates the year of last
reapproval. A superscript epsilon (e) indicates an editorial change since the last revision or reapproval.
This standard has been approved for use by agencies of the Department of Defense.
1. Scope 4. Summary of Test Method
1.1 This test method provides one procedure for determin- 4.1 The sample roll of tape is placed on a free-turning
ing the extent of curling, the degree of twisting, and tendency spindle a specified distance above a horizontal plane.Astrip of
to form a tube resulting from unwinding of the tape from its tape is drawn from the roll the distance to the plane at a
roll. specified rate and released. Any subsequent curling, twisting,
1.2 The values stated in either SI or inch-pound units are to or tubing of the strip is observed and measured.
be regarded separately as standard. The values stated in each
5. Significance and Use
system may not be exact equivalents; therefore, each system
5.1 Thistestmethodwillprovideinformationontherelative
must be used independently, without combining values in any
way. tendency of tapes to curl, twist, or form into a tube with
touching edges. The amount of each is a predictor of the
1.3 This standard does not purport to address all of the
safety concerns, if any, associated with its use. It is the difficultyonemightexperienceinhandlingstripsoftapeofany
length during their application.
responsibility of the user of this standard to establish appro-
priate safety and health practices and determine the applica- 5.2 There are several causes for variation in the extent or
degree of these characteristics and may vary themselves within
bility of regulatory limitations prior to use.
a production lot of tape. Therefore, it is essential to use an
2. Referenced Documents
acceptedsamplingplan(seeSection7)whenitisdesiredtouse
2
2.1 ASTM Standards: this test method to compare two types of tape for acceptance
D 996 Terminology of Packaging and Distribution Environ- sampling purposes.
ments
6. Apparatus
D 3715/D 3715M Practice for Quality Assurance of
3
Pressure-Sensitive Tapes 6.1 Free-Turning Spindle, sized to fit snugly inside the
sample tape core, with its axis firmly supported horizontally
D 4332 Practice for Conditioning Containers, Packages, or
Packaging Components for Testing and adjustable in height directly above a horizontal platform.
There should be no obstructions in the path between the
E 122 Practice for Calculating Sample Size to Estimate,
With a Specified Tolerable Error, the Average for a platform and the spindle.
Characteristic of a Lot or Process
NOTE 1—The horizontal platform can be a bench top or the floor.
3. Terminology
7. Sampling
3.1 Definitions—General terms used in this test method are
7.1 Acceptance Sampling—Sampling shall be in accordance
defined in Terminology D 996.
with Practice D 3715/D 3715M.
7.2 Sampling for Other Purposes—The sampling and the
1 number of test specimens depends on the purpose of the
This test method is under the jurisdiction of ASTM Committee D10 on
Packaging and is the direct responsibility of Subcommittee D10.14 on Tape and testing. Practice E 122 is recommended. It is common to test at
Labels.
least five specimens of a particular tape.Test specimens should
Current edition approved Oct. 10, 1998. Published January 1999. Originally
be taken from several rolls of tape and whenever possible,
e1
published as D 3813 – 79. Last previous edition D 3813/ D 3813M-96 .
2
For referenced ASTM standards, visit the ASTM website, www.astm.org, or
contact ASTM Customer Service at service@astm.org. For Annual Book of ASTM
3
Standards volume information, refer to the standard’s Document Summary page on Available from Chemsultants International, 9349 Hamilton Dr., Mentor, OH
the ASTM website. 44061–1118.
Copyright © ASTM International, 100 Barr Harbor Drive, PO Box C700, West Conshohocken, PA 19428-2959, United States.
1

---------------------- Page: 1 ----------------------
D 3813/D 3813M – 98 (2003)
among several production runs of tape. Strong conclusions Measure the angle between the pencil and a line at right angles
about a specific property of a tape cannot be based on test totheedgefaceoftherolltothenearest5°ofarc.ThisisAngle
results on a single unit (roll) of a product. A. Untwist the tape determining the quadrant of rotation
needed to straighten it.
8. Test Specimens
10.4.2.1 To findAngle B, the actual twist, use the following
8.1 The test specimen shall be the strip of tape unwo
...

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