ASTM D6004-04

NOTICE: This standard has either been superseded and replaced by a new version or withdrawn.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: D6004 – 04
Standard Test Method for
1
Determining Adhesive Shear Strength of Carpet Adhesives
This standard is issued under the fixed designation D6004; 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 (´) indicates an editorial change since the last revision or reapproval.
1. Scope 3. Terminology
1.1 This test method describes a procedure to measure shear 3.1 Definitions—Many of the terms in this test method are
strength development for adhesives used to bond carpet adhe- defined in Terminology D907.
sives to selected underlayments.
4. Significance and Use
1.2 This test method provides a quantitative means of
measuring and recording shear strength of the adhesive when it 4.1 In selecting or developing a carpet adhesive, it is critical
to have knowledge regarding how well the adhesive will bond
is applied to the desired underlayment.
1.3 The values stated in inch-pound units are to be regarded to the desired underlayment. Shear loading simulates a com-
mon failure mode.
as the standard. The values given in parentheses are for
information only. 4.2 The test method determines the failure shear load for the
test adhesive and specific underlayment combination.
1.4 This standard does not purport to address all of the
safety concerns, if any, associated with its use. It is the
5. Apparatus
responsibility of the user of this standard to establish appro-
1
5.1 Applicator trowel, with a notch pattern of ⁄8 in. (3.2
priate safety and health practices and determine the applica-
3 1
mm) wide, ⁄32 in. (2.4 mm) deep, ⁄8 in. (3.2 mm) flat.
bility of regulatory limitations prior to use.
5.2 Three 10-lb (4.54-kg) weight equivalents.
2. Referenced Documents
5.3 Three 2 3 3-in. (51 mm 3 76 mm) sections of under-
2
layment for dead weight distribution.
2.1 ASTM Standards:
D618 Practice for Conditioning Plastics for Testing 5.4 Convection Oven, capable of maintaining a temperature
of 122 6 2°F (50 6 1°C).
D907 Terminology of Adhesives
E4 Practices for Force Verification of Testing Machines 5.5 Calibrated Universal Testing Machine, capable of a
E177 Practice for Use of the Terms Precision and Bias in controlled application of force with a force measurement
accuracy of 6 1 % when calibrated in compliance with
ASTM Test Methods
3
2.2 Voluntary Product Standards Practices E4 requirements.
PS1 Construction and Industrial Plywood
6. Materials
PS2 Structural Use Panels
6.1 Adhesive—Any appropriate adhesive for carpet instal-
lation.
6.2 Duck cloth—natural, untreated, #10, 14.73 oz.
1
This test method is under the jurisdiction of ASTM Committee D14 on
6.3 Underlayment—Common wood-based products such as
Adhesives and is the direct responsibility of Subcommittee D14.70 on Construction
PS2 grade mark stamped oriented strand board underlayment
Adhesives
Current edition approved April 1, 2004. Published April 2004. Originally
or PS1 grade mark stamped plywood underlayment. Other
approved in 1996. Last previous edition approved in 2003 as D6004 - 03. DOI:
products, recommended by the adhesive manufacturer may
10.1520/D6004-04.
2 also be used.
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
7. Conditioning
Standards volume information, refer to the standard’s Document Summary page on
the ASTM website.
7.1 Condition the duck cloth, underlayment and adhesive to
3
Available from Standardization Documents Order Desk, DODSSP, Bldg. 4,
be tested for 24 h at 73 6 3°F (23 6 2°C) and 50 % 65%
Section D, 700 Robbins Ave., Philadelphia, PA 19111-5098, http://
dodssp.daps.dla.mil. relative humidity prior to testing.
Copyright © ASTM International, 100 Barr Harbor Drive, PO Box C700, West Conshohocken, PA 19428-2959, United States.
1

---------------------- Page: 1 ----------------------
D6004 – 04
FIG. 1 Shear Strength Carpet Assembly Pattern
8. Sample Preparation 9.10 Record the three shear values in pounds-force.
8.1 Cut the duck cloth into three 2 3 6-in. (51 3 127-mm)
10. Calculation
pieces.
8.2 Cut one section of underlayment into a 16 3 5-in.
10.1 Calculate the shear strength (psi) of the individual
(406 3 127-mm) section.
specimens as follows:
SV
9. Procedure
S 5 (1)
6
9.1 Hold the trowel at a 45° angle and spread sufficient
adhesive to cover the bonding areas.
where:
9.2 Wait 10 min and place three pieces of duck cloth
2
S = shear strength (psi), and
perpendicular to the trowel pattern, each covering a 6-in. or
2
SV = shear value reading from the universal test machine.
3 3 2-in. (38.7 cm or 51 3 76 mm) area of the adhesive (Fig.
1).
10.2 Calculate the average shear strength of the individual
9.3 Place
...