Egyptian Potash Feldspar — Ceramic-grade Lumps K₂O+Na₂O ≥ 11 % & 200 Mesh Powder
Eastern Desert potash feldspar for ceramics and glass: lumps with K₂O + Na₂O ≥ 11 % and Fe₂O₃ ≤ 0.15 %, 200-mesh powder, K-spar 60 % grade. XRF per lot, FOB / CIF from four Egyptian ports.
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Feldspar — potash feldspar from the Eastern Desert for glass and ceramic bodies
Feldspar is the flux of the ceramic and glass industries: its alkali oxides (K₂O, Na₂O) lower the melting point of the silica body, and its iron content decides whether the fired tile or glass is white or stained. A ceramic buyer therefore specifies two numbers above all — total alkalis and Fe₂O₃ — and a supplier who cannot hold them lot-to-lot forces the kiln to re-formulate every delivery. Egypt's Eastern Desert pegmatites yield a potash-rich feldspar suited to sanitaryware, floor tile and glass batches.
Egypt Globe Group supplies three lines from Eastern Desert sources: Feldspar Powder K-spar 60 %, Feldspar Powder 200 Mesh ground for sanitaryware and floor tile, and Feldspar Lumps Ceramic Grade with K₂O + Na₂O ≥ 11 % and Fe₂O₃ ≤ 0.15 %. Alkalis and iron are assayed by XRF at the port laboratory on every lot and the CoA issued before the B/L; a lot with iron above the contracted ceiling is rejected at the loading port — the group's operating model since 2014, Quality at the Core.
Technical specification
Feldspar Lumps Ceramic Grade — Physical properties
| Parameter | Specification | Test method | Standard |
|---|---|---|---|
| Form | Hand-sorted lump, Eastern Desert potash feldspar | Visual | — |
| Lump size | Reported on CoA; graded per contract | ISO 3310 sieve | ISO 3310 |
| Moisture | Reported on CoA | Oven drying | Port lab |
Feldspar Lumps Ceramic Grade — Chemical analysis
| Parameter | Limit | Test method | QA sampling |
|---|---|---|---|
| K₂O + Na₂O | ≥ 11 % | XRF, EN ISO 12677 | Port lab, per lot |
| Fe₂O₃ | ≤ 0.15 % | XRF, EN ISO 12677 | Port lab, per lot |
| SiO₂, Al₂O₃, CaO, TiO₂ | Reported on CoA | XRF | Port lab, per lot |
| Loss on ignition | Reported on CoA | Gravimetric, 1,000 °C | Port lab, per lot |
Feldspar Powder K-spar 60 % and Feldspar Powder 200 Mesh — Physical and chemical summary
| Parameter | Specification | Test method | Standard |
|---|---|---|---|
| Potash feldspar content | K-spar 60 % (powder grade) | XRD / normative calculation | Catalogue grade |
| Particle size | 200 mesh (75 µm) for the 200-mesh grade; residue reported | Wet sieve, ISO 3310 | ISO 3310 |
| K₂O + Na₂O, Fe₂O₃ | Reported on CoA per lot | XRF, EN ISO 12677 | Port lab |
| Moisture | Reported on CoA | Oven drying | Port lab |
Logistical & QA parameters (all grades)
| Parameter | Detail |
|---|---|
| MOQ — containerised (FCL) | 100 MT catalogue MOQ; 200 MT minimum order for 200-mesh powder (maximum 20,000 MT) |
| MOQ — break-bulk vessel | 500 MT for ceramic-grade lumps; up to 30,000 MT per shipment |
| Packing | Bulk vessel · 1 MT FIBC · 25 kg PP bags |
| Loading ports | Damietta (EGDAM), Alexandria (EGALY), El Dekheila (EGEDK), Ain Sokhna (EGSOK) |
| Incoterms | FOB / CIF for powder; FOB for lumps; CFR on request |
| Lead time | 2–4 weeks |
| Independent inspection protocol | Bureau Veritas (BV certificate specified for 200-mesh grade), SGS or TÜV Austria: increment sampling per ISO 12743, witnessed XRF, draft survey on bulk parcels, sealed referee sample |
| Internal QA gate | Per-lot CoA (alkalis, Fe₂O₃, sizing, moisture) by the port laboratory before B/L; out-of-spec lots rejected at the loading port |
| HS code | 2529.10 |
QA verification chain
| Gate | Control | Evidence | Who · frequency |
|---|---|---|---|
| Extraction / source | Pegmatite face sampling; iron-stained and mica-rich zones rejected at hand-sorting | Quarry assay log | EGG QA · per working face |
| Processing | Crushing, magnetic separation, grinding to 200 mesh; mill residue control | Mill sieve and magnetic-separator log | Plant QC · per shift |
| Port laboratory | XRF alkalis and Fe₂O₃, LOI, sizing, moisture on lot composite; test-fire on request | Per-lot CoA | EGG port QC · every lot before B/L |
| Independent inspection | ISO 12743 sampling, witnessed XRF, draft survey | BV / SGS / TÜV certificate | Per shipment |
| Destination acceptance | Ceramic or glass plant laboratory retest and trial firing | Buyer report vs CoA | Buyer · on arrival |
Applications & markets
- Sanitaryware, floor and wall tile, tableware bodies and glazes: glass and ceramics
- Container and flat glass batch alkali source: glass and ceramics
- Markets: Mediterranean, East Africa, Red Sea and Gulf, South Asia, Far East; see Italy, Turkey and India import guides and mining companies in Egypt
Standards & documentation
- EN ISO 12677 (XRF analysis of ceramic raw materials), ISO 3310 (test sieves), ISO 12743 (sampling)
- Inspection · documentation · quality and compliance · HS codes
Request a quote
State lump or powder grade, alkali and iron limits, quantity and destination; the export desk replies within 24 hours with pricing and a sample CoA. Request a quote, or request a quote for a multi-product enquiry.
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