Verifiable technical evidence

Fargah facade stone laboratory report

A sample of Fargah pressed facade stone was tested by the Central Laboratory of the Tehran Sand and Gravel Association, a laboratory approved by the General Office of Standards of Tehran Province. The original Persian and English reports are published here.

Report issuer
Central Laboratory of the Tehran Sand and Gravel Association
Laboratory status
Approved by the General Office of Standards of Tehran Province - licence 993/T
Tested sample
Fargah pressed building facade stone made from powder and aggregate, nominal size 400 × 400 × 30 mm
Test references
Iranian National Standard No. 755, ASTM C170 and ASTM D3967
Report date
1404/05/11 (Solar Hijri)

ASTM C170 · ASTM D3967 · INSO 755

Reported test results

These values are transcribed from the supplied sample report. A dash means the report itself does not state an acceptance limit for that row.

TestResultStated acceptance limit
Flexural strength - average6.0 MPa≥ 5 MPa
Flexural strength - individual5.5 MPa≥ 4 MPa
Wide-wheel abrasion11.0 mm≤ 20 mm
Water absorption4.6%
Surface water absorption0.6 gr/cm²≤ 6 gr/cm²
Compressive strength - average35.0 MPa
Compressive strength - individual34.0 MPa
Brazilian resistance - average4.4 MPa
Brazilian resistance - individual2.8 MPa

PDF · 1 page · signed scan

Signed source reports

Open or download the signed scan when you need the primary technical source.

This page is a readable summary of the report for this specific sample. The signed PDF remains the primary source for technical or contractual decisions, and the results should not be generalised to every product or application without reviewing project conditions.

Quick answers

Where was Fargah stone tested?

At the Central Laboratory of the Tehran Sand and Gravel Association, identified in the report as approved by the General Office of Standards of Tehran Province under licence 993/T.

Which standards are referenced?

Iranian National Standard No. 755, ASTM C170 for compressive strength, and ASTM D3967 for Brazilian resistance are cited in the report.

Are the results within the stated acceptance limits?

Yes. Every row for which the report gives an acceptance limit records a result within that same limit.

Where can I download the source report?

The signed Persian and English scans can be opened or downloaded directly from this page.