Understanding OTM glass optical & thermal property test report
Test reports are issued by OTM for glass optical & thermal property testing services. This article aims to provide a detailed explanation on the content of our test report.
A typical OTM glass test report (sample report) consists of the following sections:
- Cover page
- Test method description
- Disclaimer
- Glazing system description
- Glazing system test results
- Sample photos
Frequently asked questions (FAQs) on OTM glass test reports:
- Do you provide hardcopy or softcopy reports?
- Can your client review a test report before it is issued?
- Can a test report be amended?
- Can multiple test reports be issued for one test?
- Do you verify client declared information?
- Do you provide statement of conformity, or opinions and interpretations?
- Can you provide the raw data of a test?
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Sample test report
A sample glass optical & thermal property test report is available here.
The discussions below are based on this sample report.
Cover page
The cover page lists important information, including client information, laboratory information, report number, job description, approval signature, and test/report dates.
The client information part lists client’s name and address and the information needs to be declared by client in writing.
Test method description
The test method description section lists essential technical information related to the test, including test methods, instruments, environmental conditions, calculation software, estimated uncertainties, and notes.
Disclaimer
There are 4 standard disclaimer clauses in our test reports. Expand the “More information” block below for more details.
Glazing system description
The glazing system description section lists sample description and schematic.
Glazing system test results
Shown below is a typical standard result table based on the NFRC method (sample report):
A detailed explanation of the results is available in this article.
The spectral transmittance/reflectance curves are also presented graphically.
Sample photos
The sample photos section lists photos of test samples, including zoom-in views of labels.
Frequently asked questions (FAQs) on OTM glass test reports
If your concerned questions are not answered, please feel free to leave a comment at the end of this page. This article will be reviewed and updated regularly.
Do you provide hardcopy or softcopy reports?
We provide both hardcopy and softcopy reports.
Each hardcopy copy is manually signed and only 1 copy is issued to the client. The signed hardcopy is also scanned to the PDF softcopy format.
By default, hardcopy reports are couriered to the client and softcopy reports are emailed.
Can your client review a test report before it is issued?
By default, we email a draft report in PDF format with the “DRAFT” watermark for client’s review. The client has 1 working day to revert to us should some amendments are applicable.
However, we are an independent third-party test laboratory, and we wish to clarify the following:
- The draft report is for the client to review the client declared information only (i.e. client’s name/address and sample description) and to access the test results earlier.
- On the other hand, the draft report is not for client’s approval nor acceptance. In principle, we do not accept report amendment requests other than the client declared information mentioned above, unless there are valid technical reasons.
Please refer to the FAQ “can a test report be amended?” below for more details.
Can a test report be amended?
In principle, the following client declared information in a test report can be amended with a request in writing:
- Client’s name and address
- Sample description
We do not accept other report amendment requests (such as report format and test results) unless there are valid technical reasons.
Can multiple test reports be issued for one test?
Yes, it is possible to issue multiple test reports for one test.
In the multiple test reports, the client’s name and address information and the sample description information could be different, with the same principle mentioned in the FAQ above.
Do you verify client declared information?
A client needs to declare the following information:
- Client’s name and address
- Sample description
The responsibility of declaring accurate information is with the client. This is required in our “Testing Service Terms and Conditions” and is also part of the disclaimer in a test report.
It is out of our scope to do full verifications of the information declared by the client. We will still do some verifications within our capabilities. The verifications include, but are not limited to, the following:
- Sample thickness
- Sample appearence (typically color)
- Coating, window film or interlayer locations
If we notice that the client declared information is obviously inaccurate, we will not accept the information declared.
Do you provide statement of conformity, or opinions and interpretations?
By default, we only report the test results objectively, without statement of conformity, or opinions and interpretations.
On request, we can provide statement of conformity in a test report, provided that the decision rules can be provided by the client (e.g. project specifications or contracts).
We do not provide opinions and interpretations in test reports strictly.
Can you provide the raw data of a test?
Yes. On request, we can provide the raw data of a test in the IGDB data format.
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