Glass beads was made from glass sand which crushed by glass blocks and plate glass,fused by high tempreture in the electric furnace.
Glass beads is in low heat conduction,nice strength,good chemical stability.
| TECHNICAL DATA | |
| Size | gradation |
| Refractive index | 1.5 min |
| Roundness | 80% min |
| Specific weight | approx. 2.5 g/cm3 |
| Bulk weight | approx. 1.6 kg / l |
| Coating | silane |
| Packaging | plastic bags（or paper bags） |
| Storage | dry and sheltered |
| CHEMICAL COMPOSITION | |
| Element | Content % |
| SiO2 | 70.00 |
| Na2O | 14.00 |
| CaO | 9.00 |
| MgO | 4.00 |
| Al2O3 | 2.00 |
| K2O | 0.60 |
| SO3 | 0.30 |
| Fe2O3 | 0.10 |
UK STANDARD—-BS6088A/B
| Type | DIAMETER(um) | PERCENT(%) |
| BS6088A | 1180min | 0-3 |
| 1180-850 | 5-20 | |
| 850-425 | 65-95 | |
| 425max | 0-10 | |
| BS6088 B | 850min | 0-5 |
| 800-600 | 5-20 | |
| 600-300 | 30-75 | |
| 300-180 | 10-30 | |
| 180max | 0-15 |
John (verified owner) –
The product is firmly packed.
Michael (verified owner) –
The product is firmly packed.
Michael (verified owner) –
Good service.
Kai (verified owner) –
Very well worth the money.
Bryan (verified owner) –
Very fast delivery.