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ASTM D8051/D8051M-16

(Specification)

Standard Specification for Wax-Modified Asphalt Used in Roofing

Standard Specification for Wax-Modified Asphalt Used in Roofing

ABSTRACT
This specification establishes the manufacturing process and physical requirements for wax-modified asphaltic products intended for built-up roof construction, construction of bituminous vapor retarder systems, adhering fleece-backed single-ply roof membranes, and adhering insulation boards used in various types of roof systems. The base asphalt shall be prepared from lightly oxidized petroleum asphalt, and the wax-modified asphalt shall incorporate one or more high melt-point synthetic waxes. Furthermore, the products shall be homogeneous and free of water.
This specification also covers sampling and test methods, inspection, and packaging and package marking.
SCOPE
1.1 This specification covers wax-modified asphaltic products intended for use in built-up roof construction, construction of bituminous vapor retarder systems, adhering fleece-backed single-ply roof membranes, and adhering insulation boards used in various types of roof systems. The specification is intended for general classification purposes only, and does not imply restrictions on roofing system design, such as the slope at which this asphalt may be used.  
1.2 These products have lower application temperatures compared to products specified by Specification D312/D312M.  
1.3 The values stated in either SI units 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 shall be used independently of the other. Combining values from the two systems may result in non-conformance with the 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 and health practices and determine the applicability of regulatory limitations prior to use.

General Information

Status
Historical
Publication Date
30-Jun-2016
ICS
91.100.50 - Binders. Sealing materials
Technical Committee
D08 - Roofing and Waterproofing
Drafting Committee
D08.03 - Surfacing and Bituminous Materials for Membrane Waterproofing and Built-up Roofing
Current Stage
Ref Project

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ASTM D8051/D8051M-16 - Standard Specification for Wax-Modified Asphalt Used in RoofingASTM D8051/D8051M-16 - Standard Specification for Wax-Modified Asphalt Used in Roofing
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ASTM D8051/D8051M-16 - Standard Specification for Wax-Modified Asphalt Used in Roofing
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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: D8051/D8051M − 16
Standard Specification for
1
Wax-Modified Asphalt Used in Roofing
This standard is issued under the fixed designation D8051/D8051M; 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 D113 Test Method for Ductility of Bituminous Materials
3
(Withdrawn 2016)
1.1 This specification covers wax-modified asphaltic prod-
D140/D140M Practice for Sampling Asphalt Materials
ucts intended for use in built-up roof construction, construction
D312/D312M Specification for Asphalt Used in Roofing
of bituminous vapor retarder systems, adhering fleece-backed
D1079 Terminology Relating to Roofing and Waterproofing
single-ply roof membranes, and adhering insulation boards
D2042 Test Method for Solubility of Asphalt Materials in
used in various types of roof systems. The specification is
Trichloroethylene
intended for general classification purposes only, and does not
D3461 Test Method for Softening Point of Asphalt and Pitch
imply restrictions on roofing system design, such as the slope
(Mettler Cup-and-Ball Method)
at which this asphalt may be used.
D4402/D4402M Test Method for Viscosity Determination of
Asphalt at Elevated Temperatures Using a Rotational
1.2 These products have lower application temperatures
Viscometer
compared to products specified by Specification D312/D312M.
D7553 Test Method for Solubility of Asphalt Materials in
1.3 The values stated in either SI units or inch-pound units
N-Propyl Bromide
are to be regarded separately as standard. The values stated in
each system may not be exact equivalents; therefore, each
3. Terminology
system shall be used independently of the other. Combining
3.1 For definitions of terms used in this specification, refer
values from the two systems may result in non-conformance
to Terminology D1079.
with the standard.
3.2 Definitions:
1.4 This standard does not purport to address all of the
3.2.1 high melt-point synthetic wax, n—synthetic wax with a
safety concerns, if any, associated with its use. It is the
melt point greater than 90°C, for example polyethylene wax,
responsibility of the user of this standard to establish appro-
oxidized polyethylene wax, Fischer-Tropsch wax, and ethylene
priate safety and health practices and determine the applica-
bis stearamide wax.
bility of regulatory limitations prior to use.
3.2.2 lightly oxidized asphalt, n—having a softening point
and penetration range as defined in Table 1.
2. Referenced Documents
3.2.3 wax-modified asphalt (WM), n—a product made by
2
2.1 ASTM Standards:
modifying a lightly oxidized asphalt with a high melt-point
D5/D5M Test Method for Penetration of Bituminous Mate-
synthetic wax.
rials
D36/D36M Test Method for Softening Point of Bitumen
4. Materials and Manufacture
(Ring-and-Ball Apparatus)
4.1 The base asphalt shall be prepared from lightly oxidized
D92 Test Method for Flash and Fire Points by Cleveland
petroleum asphalt.
Open Cup Tester
4.2 The wax-modified asphalt shall incorporate one or more
high melt-point synthetic waxes in order to meet the require-
ments of this specification.
1
This specification is under the jurisdiction of ASTM Committee D08 on
Roofing and Waterproofing and is the direct responsibility of Subcommittee D08.03
on Surfacing and Bituminous Materials for Membrane Waterproofing and Built-up
5. Physical Properties
Roofing.
5.1 The products shall be homogeneous and free of water.
Current edition approved July 1, 2016. Published July 2016. DOI: 10.1520/
D8051_D8051M-16.
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 The last approved version of this historical standard is referenced on
the ASTM website. www.astm.org.
Copyright © ASTM International, 100 Barr Harbor Drive, PO Box C700, West Conshohocken, PA 19428-2959. United States
1

---------------------- Page: 1 ----------------------
D8051/D8051M − 16
TABLE 1 Physical Requirements of Wax-Modified Asphalt for Use
6.1.6 Solubility—Test Method D2042 or Test Method
in Roofing
D7553. In cases where a disagreement exists between the
purchaser and the seller, Test Method D2042 shall be used as
Property
Min Max
the referee method.
Oxidized Base Asphalt before Modification
Softening Point, °C [°F] 60 [140] 70 [158] 6.1.7 EVT—Test Method D4402/D4402M is used to deter-
Penetration at 25°C [77°F], dmm 20 30
mine what temperatures result in the viscosity values that
define EVT for mopping and mechanical application.
Final Product
...

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