Persian report
PDF · 1.0 MB
Verifiable technical evidence
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.
ASTM C170 · ASTM D3967 · INSO 755
These values are transcribed from the supplied sample report. A dash means the report itself does not state an acceptance limit for that row.
| Test | Result | Stated acceptance limit |
|---|---|---|
| Flexural strength - average | 6.0 MPa | ≥ 5 MPa |
| Flexural strength - individual | 5.5 MPa | ≥ 4 MPa |
| Wide-wheel abrasion | 11.0 mm | ≤ 20 mm |
| Water absorption | 4.6% | — |
| Surface water absorption | 0.6 gr/cm² | ≤ 6 gr/cm² |
| Compressive strength - average | 35.0 MPa | — |
| Compressive strength - individual | 34.0 MPa | — |
| Brazilian resistance - average | 4.4 MPa | — |
| Brazilian resistance - individual | 2.8 MPa | — |
PDF · 1 page · signed scan
Open or download the signed scan when you need the primary technical source.
PDF · 1.0 MB
PDF · 1.0 MB
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.
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.
Iranian National Standard No. 755, ASTM C170 for compressive strength, and ASTM D3967 for Brazilian resistance are cited in the report.
Yes. Every row for which the report gives an acceptance limit records a result within that same limit.
The signed Persian and English scans can be opened or downloaded directly from this page.