Evidence Center
Evidence Center: Public References
The published test standards and public engineering documents that pages on this site refer to.
How to read this page
Public references, not our own test records
Everything listed below is a published test standard or a public document. These are public references: they are not test records of our own cloth, and they are not certificates we hold.
Test standards
Published test standards referred to on this site
| Standard | What it covers |
|---|---|
| Air Permeability Testing (ASTM D737 / ISO 9237) | Standard differential airflow testing at 200 Pa test pressure. |
Public engineering sources
Public documents used for engineering comparisons
External tender specifications and published product literature used as background for engineering comparisons.
| Source | What it covers | Note |
|---|---|---|
| NALCO Damanjodi Alumina Expansion Tenders | Public tender specifications for 5th Stream expansion and instrumentation maintenance. | Public industry benchmark; no commercial vendor relationship claimed. |
| NTPC Wet FGD Gypsum Dewatering Technical Specification | Public utility tender service life requirement (≥6,000–8,000 h) and moisture (<10%). | Public buyer specification example; not an HVBFcloth warranty. |
| GKD VACUBELT Technical Process Belt Documentation | Public literature on VACUBELT 2015, 2020, 3354, 3356 process belts for HVBF. | Public competitor reference for vacuum belt filters. Distinguished from GKD MAXFLOW. |
Engineering Consultation
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