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ASTM D4498-00

(Test Method)

Standard Test Method for Heat-Fail Temperature in Shear of Hot Melt Adhesives

Standard Test Method for Heat-Fail Temperature in Shear of Hot Melt Adhesives

SCOPE
1.1 This test method is intended to determine the temperature at which specimens bonded with hot melt adhesive delaminate under static load in shear.  
1.2 The values stated in SI unites are to be regarded as standard.  
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-Mar-2000
ICS
83.180 - Adhesives
Technical Committee
D10 - Packaging
Drafting Committee
D10.14 - Tape and Labels
Current Stage
Ref Project

Relations

Replaced By
ASTM D4498-07 - Standard Test Method for Heat-Fail Temperature in Shear of Hot Melt Adhesives
Effective Date
01-May-2007
Referred By
ASTM D6465-99(2016) - Standard Guide for Selecting Aerospace and General Purpose Adhesives and Sealants
Effective Date
10-Mar-2000

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ASTM D4498-00 - Standard Test Method for Heat-Fail Temperature in Shear of Hot Melt AdhesivesASTM D4498-00 - Standard Test Method for Heat-Fail Temperature in Shear of Hot Melt Adhesives
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ASTM D4498-00 - Standard Test Method for Heat-Fail Temperature in Shear of Hot Melt Adhesives
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NOTICE: This standard has either been superseded and replaced by a new version or withdrawn.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 4498 – 00
Standard Test Method for
Heat-Fail Temperature in Shear of Hot Melt Adhesives
This standard is issued under the fixed designation D 4498; 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.
1. Scope 5. Apparatus
1.1 This test method is intended to determine the tempera- 5.1 A device capable of producing adhesive films of uni-
ture at which specimens bonded with hot melt adhesive form thickness with 625.4 µm (61 mil) tolerances.
delaminate under static load in shear. 5.2 Standard Substrate—NISTStandardReferenceMaterial
1.2 The values stated in SI units are to be regarded as 1810 (Liner-Board)
standard. 5.3 Heat Sealing Device—Sentinel heat sealer or equivalent
1.3 This standard does not purport to address all of the capable of maintaining selected sealing temperature within
safety concerns, if any, associated with its use. It is the 62.5°C (65°F).
responsibility of the user of this standard to establish appro- 5.4 Forced-Ventilation Oven, manual or programmed. Oven
priate safety and health practices and determine the applica- shall be capable of maintaining selected temperatures within
bility of regulatory limitations prior to use. 61 % of the differential between oven and ambient tempera-
tures in accordance with Specification E 145, with the pro-
2. Referenced Documents
grammable oven capable of attaining smooth temperature
2.1 ASTM Standards: increases of 30°C/h over a range of 25 to 150°C.
D 907 Terminology of Adhesives
5.5 Thermometric Device, for monitoring oven tempera-
E28 Test Method for Softening Point by Ring-and-Ball tures.
Apparatus
5.6 TFE-fluorocarbon Cloth, silicone release paper, 500 g
E 145 Specification for Gravity-Convection and Forced- weights and clamping devices for suspending weights and
Ventilation Ovens
specimens in the oven.
E 171 Specification for Standard Atmospheres for Condi-
6. Sampling, Test Specimens, and Test Units
tioning and Testing Flexible Barrier Materials
6.1 The test sample is to be representative of the adhesive
3. Terminology
being tested.
3.1 Definitions—Many terms in this test method are defined 6.2 Preparetestspecimenfilmsofrepresentativeadhesiveat
in accordance with Terminology D 907.
athicknessof76 625µm(3 61mil).Inspectthecooledfilms
3.2 Definitions of Terms Specific to This Standard: and reject any containing voids or other imperfections. Cut the
3.2.1 heat-fail temperature—the temperature at which
films into pieces measuring 25.4 by 25.4 mm 6 1.6 mm (1 by
delamination occurs under static loading in shear. 1 in. 6 0.0625 in.). Measure the thickness of the adhesive film
to the nearest 0.013 mm (0.0005 in.). Cut strips of standard
4. Significance and Use
substrate measuring 25.4 6 1.6 by 76 mm (1 6 0.0625 by 3
4.1 Heat-fail temperature establishes a limiting temperature
in.) with 76-mm (3-in.) dimension in the machine direction.
above which the adhesive is not to be exposed in service under
6.3 Prepare a lap joint measuring 25.4 by 25.4 mm (1 by 1
shear load.
in.) inside two strips of standard substrate. Place this assembly
between a folded sheet of silicone-coated release paper or
Teflon cloth (Note 1). Insert the assembly between the platens
of the heat sealer having only the upper platen heated. Make
This test method is under the jurisdiction of ASTM Committee D-14 on
the seal under the following conditions and seal at least 6
Adhesives and is the direct responsibility of Subcommittee D14.50 on Hot Melt and
specimens of each adhesive for test.
Pressure Sensitive Adhesives.
Current edition approved March 10, 2000. Published May 2000. Originally
published as D 4498 – 85. Last previous edition D 4498 – 95.
Annual Book of ASTM Standards, Vol 15.06.
Annual Book of ASTM Standards, Vol 06.03.
4 6
Annual Book of ASTM Standards, Vol 14.04. Available from National Institute of Standards and Technology, Office of
Annual Book of ASTM Standards, Vol 15.09. Standard Reference Materials, Gaithersburg, MD 20899.
Copyright © ASTM International, 100 Barr Harbor Drive, PO Box C700, West Conshohocken, PA 19428-2959, United States.
NOTICE: This standard has either been superseded and replaced by a new version or withdrawn. Contact ASTM
Internati
...

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This specification covers repositionable pressure-sensitive flags used to mark, flag, and index documents, books, periodicals, and so forth. Flags covered here consist of a single sheet of matte film partially covered by adhesive. A non-adhesive tab or section at one end of the flag serves for easy removal from most surfaces, including paper. The backing shall consist of polyester, polypropylene, or polyethylene film, and shall have a transparent matte surface on one side that is writable by pens and pencils. Flags are available in the following types: Type 1, which are of specified width, and have a colored tab at one end; Type 2, which are of the same width as Type 1, and have a printed message on the top side of the flag; Type 3, which twice the width of Type 1, and have a white tab at one end to highlight writing; Type 4, which are half the width of Type 1, and have a colored tab at one end; and Type 5, which are half the width of Type 1, and have an arrow or a message printed on the top side of the flag. Sampled specimens shall conform to physical requirements in terms of minimum and maximum adhesion, dispension force, and thickness.
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FIG. 1 Loop Tack Test Fixture 1  
FIG. 2 Loop Tack Test Fixture 2  
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SCOPE
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ASTM D3813/D3813M-98(2020)(Test Method)
Standard Test Method for Curling, Twisting, and Tubing on Unwind of Pressure-Sensitive Tapes

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5.1 This test method will provide information on the relative tendency of tapes to curl, twist, or form into a tube with touching edges. The amount of each is a predictor of the difficulty one might experience in handling strips of tape of any length during their application.  
5.2 There are several causes for variation in the extent or degree of these characteristics and may vary themselves within a production lot of tape. Therefore, it is essential to use an accepted sampling plan (see Section 7) when it is desired to use this test method to compare two types of tape for acceptance sampling purposes.
SCOPE
1.1 This test method provides one procedure for determining the extent of curling, the degree of twisting, and tendency to form a tube resulting from unwinding of the tape from its roll.  
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Standard Specification for Pressure-Sensitive Tape for Light-Duty Packaging and General Purpose Masking

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This specification covers paper-backed pressure sensitive tapes used for light-duty packaging and masking. The paper presents two types of pressure-sensitive tape: type I - crepe paper backed, and type II - flat paper backed. The materials used in the construction of the tape shall be such as to ensure conformance to the requirements specified. The tape shall comply with the physical requirements specified. Specimen preparation shall be as specified in the appropriate test method. Number of tests per unit of product shall be as specified in the appropriate test method. Accelerated aging, adhesion, tensile and elongation, tack, and thickness shall be tested to meet the requirements specified.
SCOPE
1.1 This specification covers paper-backed pressure-sensitive tapes used for light-duty packaging and masking.  
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