GWECO LLC
Expanded Perlite
Expanded Perlite technical grades and source-listed specifications for customer review.
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Expanded Perlite is listed in GWECO’s Industrial & Refractory Materials Catalog, Revision 4 (October 2026), under Other Refractory Materials.
Source-listed technical profile: Expanded Perlite.
Contact GWECO with the required grade, particle size, quantity and delivery destination to confirm current availability, packaging and shipment requirements.
Source-listed sizes
Expanded Perlite: 0–1 mm; 0–3 mm; 1–5 mm; 3–8 mm
Source-listed size options; current availability requires inquiry.
GWECO did not perform the original testing. Source-reported results do not certify any particular shipment or production lot. Confirm current availability and shipment requirements with GWECO.
Available grades and sizes
Expanded Perlite: 0–1 mm; 0–3 mm; 1–5 mm; 3–8 mm
Technical specifications
Source-listed sizes — Expanded Perlite
Source-listed size / fraction | Bulk density |
|---|---|
0–1 mm | 40–60 kg/m³ |
0–3 mm | 60–90 kg/m³ |
1–5 mm | 70–100 kg/m³ |
3–8 mm | 100–120 kg/m³ |
GRAIN SIZE AND BULK DENSITY
Grain size | Bulk density |
|---|---|
0–1 mm | 40–60 kg/m³ |
CHEMICAL COMPOSITION (SOURCE RANGES AND VALUES)
Component | Reported range / value |
|---|---|
SiO₂ | 70–75% |
Fe₂O₃ | 0.5–1.1% |
Al₂O₃ | 11–14% |
MgO | 0.003 |
CaO | 0.5–1% |
K₂O | 3–5% |
NaO | 3–5% |
L.O.I. | 4–8% |
Property |
|---|
Expanded Perlite
Source does not state a unit for MgO value 0.003.
The selected size updates its size-specific source data. Shared grade specifications remain the same.
Source-listed options; confirm current availability with GWECO.