Bentonite Supplier in Egypt — API 13A Drilling & Foundry Grade
Egyptian bentonite supplier — sodium bentonite to API 13A for drilling mud, calcium bentonite for foundry sand bonding. FOB / CIF from Egyptian ports, from 100 MT.
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Bentonite — API 13A sodium bentonite for drilling and calcium bentonite for foundry bonding
Bentonite is a smectite clay whose value lies in what it does in water: a sodium bentonite swells, builds viscosity and seals filter cake in a drilling fluid; a calcium bentonite bonds green-sand moulds in a foundry. The two are not interchangeable, and within each the performance numbers — not the clay percentage — are what the buyer is paying for. Egypt Globe Group supplies both: Sodium Bentonite Drilling Grade, an API 13A product sourced from Egyptian and Turkish deposits, and Calcium Bentonite Foundry Grade, an Egyptian clay for foundry sand bonding and absorbent applications.
API 13A judges drilling bentonite on rheology and filtrate loss, so a lot that looks right on XRF can still fail the viscometer — the standing complaint against regional exporters. Egypt Globe Group's internal QA division, embedded since incorporation, runs the API 13A suspension test on every export lot before the B/L; a failing lot is rejected at the loading port.
Technical specification
Sodium Bentonite Drilling Grade — Physical properties
| Parameter | Specification | Test method | Standard |
|---|---|---|---|
| Viscometer dial reading at 600 r/min (22.5 g in 350 cm³ water) | ≥ 30 | API 13A suspension test | API Spec 13A, Section 9 |
| Yield point / plastic viscosity ratio | ≤ 3 | API 13A | API Spec 13A |
| Filtrate volume | ≤ 15.0 cm³ | API filter press | API Spec 13A |
| Residue greater than 75 µm | ≤ 4.0 % mass | Wet sieve | API Spec 13A |
Sodium Bentonite Drilling Grade — Chemical analysis
| Parameter | Limit | Test method | QA sampling |
|---|---|---|---|
| Moisture | ≤ 10 % mass | Oven drying, API 13A | Port lab, per lot |
| Montmorillonite content | Reported on CoA | Methylene-blue adsorption | Port lab, per lot |
Calcium Bentonite Foundry Grade — Physical and chemical summary
| Parameter | Specification | Test method | Standard |
|---|---|---|---|
| Clay type | Calcium bentonite, Egyptian origin | XRD / XRF | — |
| Methylene-blue value (active clay) | Reported on CoA | AFS methylene-blue clay test | Buyer specification |
| Green compression / wet tensile strength | Reported on CoA | AFS sand tests | Buyer specification |
Logistical & QA parameters (both grades)
| Parameter | Detail |
|---|---|
| MOQ — containerised (FCL) | 100 MT catalogue MOQ; 200 MT minimum order for foundry grade |
| MOQ — break-bulk vessel | 500 MT for drilling grade (maximum 20,000 MT per shipment); foundry grade to 10,000 MT |
| Packing | Bulk vessel · 1 MT FIBC · 25 kg PP bags |
| Loading ports | Damietta (EGDAM), Alexandria (EGALY), El Dekheila (EGEDK), Ain Sokhna (EGSOK) |
| Incoterms | FOB / CFR for drilling grade; FOB for foundry grade; CIF on request |
| Lead time | 2–4 weeks |
| Independent inspection protocol | SGS / BV / TÜV Austria: sampling per ISO 12743, witnessed API 13A rheology and filtrate test, draft survey, sealed referee sample |
| Internal QA gate | Per-lot CoA (API 13A suite or foundry bonding suite, moisture, residue) issued by the port laboratory before B/L; out-of-spec lots rejected at the loading port |
| HS code | 2508.10 |
QA verification chain
| Gate | Control | Evidence | Who · frequency |
|---|---|---|---|
| Extraction / source | Deposit-bench swelling index and methylene-blue screening; Turkish-origin lots accepted against supplier CoA plus EGG arrival test | Source test sheet | EGG QA · per stockpile or inbound lot |
| Processing | Drying, sodium activation (drilling grade), milling to 75 µm residue target | Kiln temperature and mill sieve logs | Plant QC · per shift |
| Port laboratory | API 13A viscometer, YP/PV, filtrate, residue, moisture on lot composite; AFS bonding tests for foundry grade | Per-lot CoA | EGG port QC · every lot before B/L |
| Independent inspection | Sampling per ISO 12743, witnessed API 13A test, draft survey | SGS / BV / TÜV certificate | Per shipment |
| Destination acceptance | Mud plant or foundry sand laboratory retest against CoA | Buyer report vs CoA | Buyer · on arrival |
Applications & markets
- Water-based drilling fluids, horizontal directional drilling and piling slurries: oil and gas, oilfield salt products
- Foundry green-sand bonding, iron-ore pelletising binder: steel and metal
- Shipped to the Red Sea and Gulf, East Africa, the Mediterranean, South Asia and the Far East; see Saudi Arabia, Kenya and India import guides
Standards & documentation
- API Spec 13A Section 9 (drilling-grade bentonite), AFS sand-testing procedures (foundry grade), ISO 12743 (sampling)
- Inspection · documentation · quality and compliance · HS codes
Request a quote
State drilling or foundry grade, quantity, packing and destination; the export desk replies within 24 hours with pricing, lead time and a sample CoA. Request a quote, or request a quote for a combined minerals enquiry.
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