ASTM F735-17

Standard Test Method for Abrasion Resistance of Transparent Plastics and Coatings Using the Oscillating Sand Method

SIGNIFICANCE AND USE
4.1 Plastic materials, when used as transparencies, covers, or enclosures, are subject to wiping, cleaning, or other types of rubbing actions that cause abrasion. It is the intent of this test method to provide a means of estimating the resistance of such materials to this type and degree of abrasion.
SCOPE
1.1 This test method determines the resistance of transparent plastics and transparent coatings utilized in windows or viewing ports, to surface abrasion using oscillating sand.  
1.2 The values stated in SI units are to be regarded as standard. No other units of measurement are included in this standard.  
1.2.1 Exception—The inch-pound units in parentheses are provided for information only.  
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.  
1.4 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: Historical
• Publication Date: 31-May-2017
• ICS: 25.220.60 - Organic coatings
• Technical Committee: F07 - Aerospace and Aircraft
• Drafting Committee: F07.08 - Transparent Enclosures and Materials

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NOTICE: This standard has either been superseded and replaced by a new version or withdrawn.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: F735 − 17
Standard Test Method for
Abrasion Resistance of Transparent Plastics and Coatings
1
Using the Oscillating Sand Method
ThisstandardisissuedunderthefixeddesignationF735;thenumberimmediatelyfollowingthedesignationindicatestheyearoforiginal
adoptionor,inthecaseofrevision,theyearoflastrevision.Anumberinparenthesesindicatestheyearoflastreapproval.Asuperscript
epsilon (´) indicates an editorial change since the last revision or reapproval.
1. Scope* E691Practice for Conducting an Interlaboratory Study to
Determine the Precision of a Test Method
1.1 This test method determines the resistance of transpar-
ent plastics and transparent coatings utilized in windows or
3. Summary of Test Method
viewing ports, to surface abrasion using oscillating sand.
3.1 Thetestmethodconsistsofmeasuringandrecordingthe
1.2 The values stated in SI units are to be regarded as
haze and light transmission of a test specimen, mounting the
standard. No other units of measurement are included in this
specimen so that it forms part of the bottom tray (sand cradle),
standard.
coveringthespecimenwithabradingmedia,andsubjectingthe
1.2.1 Exception—The inch-pound units in parentheses are
cradle to a specific number of oscillations. After exposure to
provided for information only.
the abrasion, the haze and light transmission are remeasured to
1.3 This standard does not purport to address all of the determine any change in these values.
safety concerns, if any, associated with its use. It is the
3.2 At the stroke velocity specified in this test method, the
responsibility of the user of this standard to establish appro-
entire mass of sand shifts significantly within the sand cradle
priate safety and health practices and determine the applica-
because of its inertia; therefore the relative motion between
bility of regulatory limitations prior to use.
sand and specimen at the interface is large.
1.4 This international standard was developed in accor-
3.3 The thickness or height of the sand resting on top of the
dance with internationally recognized principles on standard-
test specimen remains relatively constant during the motion of
ization established in the Decision on Principles for the
the cradle. Therefore, the average pressure of the sand also
Development of International Standards, Guides and Recom-
remains constant, giving highly reproducible results over the
mendations issued by the World Trade Organization Technical
entire surface of the test specimen.
Barriers to Trade (TBT) Committee.
3.4 The degree of abrasion is measured by the amount of
2. Referenced Documents
changeinluminoustransmissionandhazeafterexposuretothe
2
test.
2.1 ASTM Standards:
C136Test Method for Sieve Analysis of Fine and Coarse
4. Significance and Use
Aggregates
4.1 Plastic materials, when used as transparencies, covers,
D618Practice for Conditioning Plastics for Testing
or enclosures, are subject to wiping, cleaning, or other types of
D1003Test Method for Haze and Luminous Transmittance
rubbing actions that cause abrasion. It is the intent of this test
of Transparent Plastics
methodtoprovideameansofestimatingtheresistanceofsuch
E11Specification forWovenWireTest Sieve Cloth andTest
materials to this type and degree of abrasion.
Sieves
E177Practice for Use of the Terms Precision and Bias in
5. Apparatus
ASTM Test Methods
5.1 Abrader—The abrader consists of a specimen holder,
sand cradle, drive mechanism, and counter. One such example
1
This test method is under the jurisdiction of ASTM Committee F07 on
is shown in Fig. 1.
Aerospace andAircraft and is the direct responsibility of Subcommittee F07.08 on
5.1.1 The specimen holder shall have a cutout approxi-
Transparent Enclosures and Materials.
mately 100 by 100 mm (4 by 4 in.) to receive the specimen.
CurrenteditionapprovedJune1,2017.PublishedJuly2017.Originallyapproved
Alternative specimen holders can be used to test other speci-
in1981.Lastpreviouseditionapprovedin2011asF735–11.DOI:10.1520/F0735-
17.
men sizes as long as they can be used within the testing
2
For referenced ASTM standards, visit the ASTM website, www.astm.org, or
limitations defined in this test method.
contact ASTM Customer Service at [e-mail]. For Annual Book of ASTM
5.1.2 The specimen holder forms the bottom of the sand
Standards volume information, refer to the standard’s Document Summary page on
the ASTM website. cradle.
*A Summary of Changes section appears at the end of this standard
Copyright © ASTM International, 100 Barr Harbor Drive, PO Box C700, West Conshohocken, PA 19428-2959. United States
1

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F735 − 17
FIG. 1 Oscillating Sand Abrader
versionsofthistestmethodcanstillbeusedifavailable.SeeAppendixX1
5.1.3 The sand cradle shall be approximately 250 × 250 ×
for additional details
50 mm (10 × 10 × 2 in.),
...

This document is not an ASTM standard and is intended only to provide the user of an ASTM standard an indication of what changes have been made to the previous version. Because
it may not be technically possible to adequately depict all changes accurately, ASTM recommends that users consult prior editions as appropriate. In all cases only the current version
of the standard as published by ASTM is to be considered the official document.
Designation: F735 − 11 F735 − 17
Standard Test Method for
Abrasion Resistance of Transparent Plastics and Coatings
1
Using the Oscillating Sand Method
This standard is issued under the fixed designation F735; 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 Scope*
1.1 This test method determines the resistance of transparent plastics and transparent coatings utilized in windows or viewing
ports, to surface abrasion using oscillating sand.
1.2 The values stated in SI units are to be regarded as standard. No other units of measurement are included in this standard.
1.2.1 Exception—The inch-pound units in parentheses are provided for information only.
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.
1.4 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.
2. Referenced Documents
2
2.1 ASTM Standards:
C136 Test Method for Sieve Analysis of Fine and Coarse Aggregates
D618 Practice for Conditioning Plastics for Testing
D1003 Test Method for Haze and Luminous Transmittance of Transparent Plastics
E11 Specification for Woven Wire Test Sieve Cloth and Test Sieves
E177 Practice for Use of the Terms Precision and Bias in ASTM Test Methods
E691 Practice for Conducting an Interlaboratory Study to Determine the Precision of a Test Method
3. Summary of Test Method
3.1 The test method consists of measuring and recording the haze and light transmission of a test specimen, mounting the
specimen so that it forms part of the bottom tray (sand cradle), covering the specimen with abrading media, and subjecting the
cradle to a specific number of oscillations. After exposure to the abrasion, the haze and light transmission are remeasured to
determine any change in these values.
3.2 At the stroke velocity specified in this practice, test method, the entire mass of sand shifts significantly within the sand cradle
because of its inertia; therefore the relative motion between sand and specimen at the interface is large.
3.3 The thickness or height of the sand resting on top of the test specimen remains relatively constant during the motion of the
cradle. Therefore, the average pressure of the sand also remains constant, giving highly reproducible results over the entire surface
of the test specimen.
3.4 The degree of abrasion is measured by the amount of change in luminous transmission and haze after exposure to the test.
1
This test method is under the jurisdiction of ASTM Committee F07 on Aerospace and Aircraft and is the direct responsibility of Subcommittee F07.08 on Transparent
Enclosures and Materials.
Current edition approved Dec. 1, 2011June 1, 2017. Published January 2012July 2017. Originally approved in 1981. Last previous edition approved in 20062011 as
F735 – 06.F735 – 11. DOI: 10.1520/F0735-11.10.1520/F0735-17.
2
For referenced ASTM standards, visit the ASTM website, www.astm.org, or contact ASTM Customer Service at [e-mail]. For Annual Book of ASTM Standards
volume information, refer to the standard’s Document Summary page on the ASTM website.
*A Summary of Changes section appears at the end of this standard
Copyright © ASTM International, 100 Barr Harbor Drive, PO Box C700, West Conshohocken, PA 19428-2959. United States
1

---------------------- Page: 1 ----------------------
F735 − 17
4. Significance and Use
4.1 Plastic materials, when used as transparencies, covers, or enclosures, are subject to wiping, cleaning, or other types of
rubbing actions that cause abrasion. It is the intent of this test method to provide a means of estimating the resistance of such
materials to this type and degree of abrasion.
5. Apparatus
5.1 Abrader—The abrader consists of a specimen holder, sand cradle, drive mechanism, variable power supply and counter. One
such example is shown in Fig. 1.
5.1.1 The specimen holder shall have a cutout approximate
...