ASTM D6325-98(2019)
(Test Method)Standard Test Method for Determining Open Assembly Time of Carpet Mastic Adhesives
Standard Test Method for Determining Open Assembly Time of Carpet Mastic Adhesives
SIGNIFICANCE AND USE
4.1 The ability to have a sufficient open assembly time is critical when bonding a carpet. An adhesive with too short an open assembly time will not allow the installer enough time to position the carpet before the adhesive is dried beyond use. A product with too long an open assembly time will not provide enough dry time for the carpet to bond to the intended substrate without movement of the carpet.
4.2 The test method provides a means of measuring the open assembly time for an adhesive. Use of such a test method can aid both the manufacturer to develop and the user to select the appropriate adhesive for the installation of carpet.
4.3 Test Method C679 was used as a model for this test method.
SCOPE
1.1 This test method describes a procedure to measure open assembly time for a troweled carpet adhesive.
1.2 This test method provides an evaluation of the ability of an adhesive to effectively wet out the intended carpet backing.
1.3 The values stated in inch-pound units are to be regarded as standard. The values given in parentheses are mathematical conversions to SI units that are provided for information only and are not considered standard.
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, health, and environmental practices and determine the applicability of regulatory limitations prior to use.
1.5 This international standard was developed in accordance with internationally recognized principles on standardization established in the Decision on Principles for the Development of International Standards, Guides and Recommendations issued by the World Trade Organization Technical Barriers to Trade (TBT) Committee.
General Information
- Status
- Published
- Publication Date
- 28-Feb-2019
- Technical Committee
- D14 - Adhesives
- Drafting Committee
- D14.70 - Construction Adhesives
Relations
- Replaces
ASTM D6325-98(2011) - Test Method for Determining Open Assembly Time of Carpet Mastic Adhesives - Effective Date
- 01-Mar-2019
- Effective Date
- 01-Jul-2012
- Effective Date
- 01-May-2012
- Effective Date
- 01-Dec-2011
- Effective Date
- 01-Jan-2011
- Effective Date
- 01-Jan-2009
- Effective Date
- 01-Nov-2008
- Effective Date
- 01-Oct-2008
- Effective Date
- 15-Aug-2008
- Effective Date
- 01-Mar-2008
- Effective Date
- 01-Dec-2006
- Effective Date
- 01-Nov-2005
- Effective Date
- 01-Apr-2005
- Effective Date
- 01-Apr-2005
- Effective Date
- 01-Dec-2004
Overview
ASTM D6325-98(2019), Standard Test Method for Determining Open Assembly Time of Carpet Mastic Adhesives, is an important ASTM International standard developed to measure the open assembly time of troweled carpet adhesives. Open assembly time refers to the period during which an adhesive remains workable after application but before final bonding occurs. This characteristic is crucial in carpet installation, as it affects both ease of placement and final bond integrity.
Key Topics
- Open Assembly Time: The test assesses how long an adhesive remains usable after it is spread, a critical factor in ensuring proper positioning and bonding of carpet materials.
- Applicability: The method provides reliable means for manufacturers and users to evaluate and compare different carpet mastic adhesives regarding their open assembly characteristics.
- Adhesive Wet-Out: Focuses on the adhesive's ability to adequately wet the intended carpet backing during installation.
- Testing Conditions: Requires specific conditioning and preparation of materials and test environment to ensure consistency.
- Reporting Requirements: The standard details what information must be recorded and reported, including type of adhesive, substrate, test conditions, and time-dependent adhesive transfer data.
- Safety and Compliance: Users are reminded to follow appropriate safety, health, and environmental practices when applying the test method.
Applications
- Carpet Installation: Helps installers select adhesives that offer optimal workability, preventing premature drying or insufficient bonding time during placement.
- Product Development: Enables adhesive manufacturers to develop products with desired open assembly times tailored to customer needs or specific application scenarios.
- Quality Assurance: Provides a standardized method for ensuring consistency in carpet adhesive performance, supporting both production quality control and supplier comparison.
- Specification and Procurement: Assists architects, specifiers, and contractors in selecting suitable adhesives for building and refurbishment projects, minimizing installation issues due to timing mismatches.
Related Standards
- ASTM C679: Test Method for Tack-Free Time of Elastomeric Sealants, which served as a model for ASTM D6325. This related standard focuses on the surface-drying characteristics of sealants.
- ASTM D907: Terminology of Adhesives, offering standardized definitions for terms used in adhesive-related testing.
- ASTM D618: Practice for Conditioning Plastics for Testing, which governs the environmental conditioning of materials before testing-also referenced for preparing materials in D6325.
Practical Value
Adhering to ASTM D6325-98(2019) ensures that carpet adhesives are carefully evaluated for the critical window of open assembly time. This results in more reliable installations, reduced waste, and improved customer satisfaction. Both manufacturers and end users benefit from implementing this test method as part of routine quality control and product selection processes. Ensuring open assembly time compliance minimizes installation delays, bonding failures, and costly callbacks, all of which are essential for contractors, flooring specialists, and facility managers involved in commercial and residential projects.
To learn more or obtain copies of the standards, visit ASTM International.
Get Certified
Connect with accredited certification bodies for this standard
DIN CERTCO
DIN Group product certification.
Smithers Quality Assessments
US management systems and product certification.
Sponsored listings
Frequently Asked Questions
ASTM D6325-98(2019) is a standard published by ASTM International. Its full title is "Standard Test Method for Determining Open Assembly Time of Carpet Mastic Adhesives". This standard covers: SIGNIFICANCE AND USE 4.1 The ability to have a sufficient open assembly time is critical when bonding a carpet. An adhesive with too short an open assembly time will not allow the installer enough time to position the carpet before the adhesive is dried beyond use. A product with too long an open assembly time will not provide enough dry time for the carpet to bond to the intended substrate without movement of the carpet. 4.2 The test method provides a means of measuring the open assembly time for an adhesive. Use of such a test method can aid both the manufacturer to develop and the user to select the appropriate adhesive for the installation of carpet. 4.3 Test Method C679 was used as a model for this test method. SCOPE 1.1 This test method describes a procedure to measure open assembly time for a troweled carpet adhesive. 1.2 This test method provides an evaluation of the ability of an adhesive to effectively wet out the intended carpet backing. 1.3 The values stated in inch-pound units are to be regarded as standard. The values given in parentheses are mathematical conversions to SI units that are provided for information only and are not considered standard. 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, health, and environmental practices and determine the applicability of regulatory limitations prior to use. 1.5 This international standard was developed in accordance with internationally recognized principles on standardization established in the Decision on Principles for the Development of International Standards, Guides and Recommendations issued by the World Trade Organization Technical Barriers to Trade (TBT) Committee.
SIGNIFICANCE AND USE 4.1 The ability to have a sufficient open assembly time is critical when bonding a carpet. An adhesive with too short an open assembly time will not allow the installer enough time to position the carpet before the adhesive is dried beyond use. A product with too long an open assembly time will not provide enough dry time for the carpet to bond to the intended substrate without movement of the carpet. 4.2 The test method provides a means of measuring the open assembly time for an adhesive. Use of such a test method can aid both the manufacturer to develop and the user to select the appropriate adhesive for the installation of carpet. 4.3 Test Method C679 was used as a model for this test method. SCOPE 1.1 This test method describes a procedure to measure open assembly time for a troweled carpet adhesive. 1.2 This test method provides an evaluation of the ability of an adhesive to effectively wet out the intended carpet backing. 1.3 The values stated in inch-pound units are to be regarded as standard. The values given in parentheses are mathematical conversions to SI units that are provided for information only and are not considered standard. 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, health, and environmental practices and determine the applicability of regulatory limitations prior to use. 1.5 This international standard was developed in accordance with internationally recognized principles on standardization established in the Decision on Principles for the Development of International Standards, Guides and Recommendations issued by the World Trade Organization Technical Barriers to Trade (TBT) Committee.
ASTM D6325-98(2019) is classified under the following ICS (International Classification for Standards) categories: 83.180 - Adhesives; 97.150 - Floor coverings. The ICS classification helps identify the subject area and facilitates finding related standards.
ASTM D6325-98(2019) has the following relationships with other standards: It is inter standard links to ASTM D6325-98(2011), ASTM D907-12a, ASTM D907-12, ASTM D907-11a, ASTM D907-11, ASTM C679-03(2009)e1, ASTM D618-08, ASTM D907-08b, ASTM D907-08a, ASTM D907-08, ASTM D907-06, ASTM D618-05, ASTM D907-05e1, ASTM D907-05, ASTM D907-04a. Understanding these relationships helps ensure you are using the most current and applicable version of the standard.
ASTM D6325-98(2019) is available in PDF format for immediate download after purchase. The document can be added to your cart and obtained through the secure checkout process. Digital delivery ensures instant access to the complete standard document.
Standards Content (Sample)
This international standard was developed in accordance with internationally recognized principles on standardization established in the Decision on Principles for the
Development of International Standards, Guides and Recommendations issued by the World Trade Organization Technical Barriers to Trade (TBT) Committee.
Designation: D6325 − 98 (Reapproved 2019)
Standard Test Method for
Determining Open Assembly Time of Carpet Mastic
Adhesives
This standard is issued under the fixed designation D6325; 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 4. Significance and Use
1.1 This test method describes a procedure to measure open 4.1 The ability to have a sufficient open assembly time is
assembly time for a troweled carpet adhesive. critical when bonding a carpet. An adhesive with too short an
open assembly time will not allow the installer enough time to
1.2 This test method provides an evaluation of the ability of
position the carpet before the adhesive is dried beyond use. A
an adhesive to effectively wet out the intended carpet backing.
product with too long an open assembly time will not provide
1.3 The values stated in inch-pound units are to be regarded
enough dry time for the carpet to bond to the intended substrate
as standard. The values given in parentheses are mathematical
without movement of the carpet.
conversions to SI units that are provided for information only
4.2 The test method provides a means of measuring the
and are not considered standard.
open assembly time for an adhesive. Use of such a test method
1.4 This standard does not purport to address all of the
can aid both the manufacturer to develop and the user to select
safety concerns, if any, associated with its use. It is the
the appropriate adhesive for the installation of carpet.
responsibility of the user of this standard to establish appro-
4.3 Test Method C679 was used as a model for this test
priate safety, health, and environmental practices and deter-
method.
mine the applicability of regulatory limitations prior to use.
1.5 This international standard was developed in accor-
5. Apparatus
dance with internationally recognized principles on standard-
1 1
5.1 Applicator Trowel— ⁄8 in. (3.2 mm) wide, ⁄8 in. (3.2
ization established in the Decision on Principles for the
mm) deep, ⁄16 in. (1.6 mm) space V-notch.
Development of International Standards, Guides and Recom-
5.2 One-kg Weight, at least 2 in. (51 mm) in diameter.
mendations issued by the World Trade Organization Technical
Barriers to Trade (TBT) Committee.
5.3 Chronometer.
2. Referenced Documents
6. Materials
2.1 ASTM Standards:
6.1 Adhesive—Any appropriate adhesive used to install
C679 Test Method for Tack-Free Time of Elastomeric Seal-
carpet.
ants
6.2 Polyethylene—Low density (LDPE) with a 0.006 in.
D618 Practice for Conditioning Plastics for Testing
(0.15 mm) thickness.
D907 Terminology of Adhesives
6.3 Glass, 12 in. by 12 in.
3. Terminology
7. Conditioning
3.1 Definitions:
7.1 Condition the LDPE, glass, and adhesive to be tested 24
3.1.1 Many of the terms in this test method are defined in
h prior to testing at 73.4 6 3.6°F (23 6 2°C) and 50 65%
Terminology D907.
relative humidity according to Practice D618.
1 8. Sample Preparation
This test method is under the jurisdiction of ASTM Committee D14 on
Adhesives and is the direct respon
...
Questions, Comments and Discussion
Ask us and Technical Secretary will try to provide an answer. You can facilitate discussion about the standard in here.
Loading comments...