SEMI International Standards
Standards New Activity Report Form (SNARF)
Date Prepared: 09/09/2016Revised (if Applicable):

Document Number: 6113
SNARF for: New Standard: Test Method for Abrasion Resistance of the Polymer Backsheet of Crystalline Silicon Solar Modules

Originating Global Technical Committee: Photovoltaic
Originating TC Chapter: China
Task Force (TF) in which work is to be carried out: PV Module Task Force
Note: If a new task force is needed, also submit a task force organization form (TFOF)

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1. Rationale:
a. Describe the need or problem addressed by this activity.
(Indicate the customer, what benefits they will receive, and if possible, quantify the impact on the return on investment [ROI] if the Document is implemented.)
With the wide application of solar PV modules, crystalline silicon solar modules are being used in more and more complex environments.Polymer backsheet is a key element that protects solar modules in these environments. Currently most polymer backsheets use fluorine film or coating on the air side. The abrasion property of the polymer backsheet’s air layer is critical to its application in desert areas. However, there is still no specific test method to determine abrasion resistance performance of a polymer backsheet.
The current mainstream test methods for abrasion are falling sand or blowing sand testing. The common criterion for a polymer backsheet’s abrasion resistance is the amount of sand needed to wear off the air layer in falling sand or blowing sand conditions. However, a clear correlation between the test results and the backsheet’s performance in the field needs to be determined. There are no defined testing conditions and parameters, including the choice of sands to use. Hence, we intend to set the test standard to access the anti-wind and anti-sand performance of backsheets for modules.



b. Estimate effect on industry.
3: Major effect on a few companies - identify the relevant companies
Sector or Company Information: supplier of back sheet and factory of solar cell module

c. Estimate technical difficulty of the activity.
II: Some Difficulty - Disagreements on known requirements exist but developing consensus is possible

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2. Scope:
a: Describe the technical areas to be covered or addressed by this Document development activity. For Subordinate Standards, list common concepts or criteria that the Subordinate Standard inherits from the Primary Standard, as well as differences from the Primary Standard:
Test method for abrasion resistance of a polymer backsheet, including at least:
1. The test method: falling sand or blowing sand,
2. The type of the sands, for instance, the grade and diameter distribution of sands,
3. The test conditions, for instance, the angle and the speed of sands in blowing sand testing or the falling height in falling sand testing.


b: Expected result of activity
New Standard or Safety Guideline (including replacement of an existing Standard or Safety Guideline)

For a new Subordinate Standard, identify the Primary Standard here:




For Standards, identify the Standard Subtype below:
Test Method

Miscellaneous (describe below):

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3. Projected Timetable for Completion:

a: General Milestones
a. Activity Start: 08/01/2016b. 1st Draft by: 05/01/2017
c. (Optional) Informational Ballot by: 09/01/2017d. Letter Ballot by: 11/01/2017
e. TC Chapter Approval By:03/01/2018

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4. Liaisons with other Global Technical Committees/TC Chapters/Subcommittees/TFs:
a.
List SEMI global technical committees, TC Chapters, subcommittees, or task forces in your or other Regions/Locales that should be kept informed regarding the progress of this activity. (Refer to SEMI Standards organization charts and global technical committee charters and scopes as needed.)


b. List any planned Type I Liaisons with external nonprofit organizations (e.g., SDO) that should receive Draft Documents from Standards staff for feedback during this activity and be notified when the Letter Ballot is issued (refer to Procedure Manual 7):


c. Intercommittee Ballots:
will not be issued

Identify the recipient global technical committee(s):
Photovoltaic
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5. Safety Considerations:
The resulting document is expected:
NOT to be a Safety Guideline

NOTE FOR "to be a Safety Guideline": When all safety-related information is removed from the Document, the Document is NOT technically sound and complete - Refer to Section 15.1 of the Regulations for special procedures to be followed.

NOTE FOR "NOT to be a Safety Guideline": When all safety-related information is removed from the Document, the Document is still technically sound and complete.

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6. Intellectual Property Considerations:
a. For a new Standard or Safety Guideline and for any part to be modified or added in a Revision of published Standards and Safety Guidelines:
the use of patented technology is NOT required.

If "patented technology is intended to be included in the proposed Standard(s) or Safety Guideline(s) " is selected above, then also check one:


b. For Revision, Reapproval, Reinstatement, or Withdrawal of existing Standard(s) and Safety Guideline(s):
there is no known material patented technology necessary to use or implement the Standard(s) and Safety Guideline(s)

c. The body of the Document and any Appendices, Complementary Files, Related Information sections, or Various Materials that may or may not be a part of the Document by reference:



NOTE FORthe use of patented technology or the incorporation of Copyrighted Item(s) is NOT required’: If in the course of developing the Document, it is determined that the use of patented technology or Copyrighted Item(s) is necessary for the Document, the provisions of Regulations 16 must be followed.

NOTE FORwill incorporate Copyrighted Item’: A copyright release letter must be obtained from the copyright owner prior to publication.

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7. Comments, Special Circumstances:

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8. TC Member Review:
took place between (put dates below ) before approval at the TC Chapter Meeting, or

Member Review Start Date; 10/28/2016
Member Review End Date: 11/10/2016

NOTE FOR ‘TC Member Review’ is required by the Regulations for a period of at least two weeks
before approval of a new, or a major revision of an existing, Standard or Safety Guideline. (Refer to Regulations 8.2.1)
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9. SNARF Approval Dates:
TC Chapter or GCS11/25/2016
Recorded in TC Minutes12/09/2016

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10. SNARF Extension Dates:
TC Chapter Extension Granted on 11/17/2021
Extension Expires on11/17/2022

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