Quality & certifications
Tested to the specification you buy against
QC laboratory testing, API 13A compliance and documented procedures, from raw material to export.
QC laboratory
Testing before every export
Our quality-control laboratory tests product before packing and export.
We test with independent laboratories worldwide, including SGS, TCRC, Mitra SK and AHK Group. We also maintain an API 13A specification laboratory for in-house testing.
API compliance
Manufactured to API 13A
Drilling-grade barite is manufactured and tested against API 13A requirements for density, particle size and water-soluble alkaline earth metals.
| Test or procedure | How we do it |
|---|---|
| Density / specific gravity | Le Chatelier flask, per API 13A |
| Particle size: residue above 75 micron | Wet sieve, per API 13A |
| Particle size: below 6 micron | Sedimentation (hydrometer), per API 13A |
| Water-soluble alkaline earth metals, as calcium | EDTA titration of a water extract, per API 13A |
| Batch sampling and retained samples | Sampled by raw material batch; samples retained for up to 6 months |
| Certificate of analysis per shipment | In-house certificate provided; independent certificate available on client request |
Need test reports or certificates for vendor qualification?
Our team can share documentation for your approval process.