Glass bead manufacturers supply 3mm 4mm 5mm transparent glass balls for cosmetic pump heads. Under the action of the flame, the glass particles are softened, melted, beaded, cooled and solidified to become glass beads. The appearance of glass beads is clean, transparent, without obvious air bubbles and impurities.
/MT
Glass beads manufacturers supply 3mm 4mm 5mm transparent glass beads for cosmetic pump heads
| physical properties | |
| shape | Spherical, irregular rhombus |
| proportion | 2.5 |
| Bulk density | 1.5 |
| Moh’s hardness | 6-7 |
| Rockwell hardness | 46HRC |
| Refractive index | 1.5-1.7 |
| Roundness | ≥80% |
| Chemical composition | |
| SiO2 | 70-74% |
| Na2O | 12-15% |
| CaO | 8-10% |
| MgO | 1-3.8% |
| Al2O3 | 0.2-1.8% |
| K2O | 0-0.5% |
| Fe2O3 | 0-0.15% |
| other | 0-2% |
We are willing to serve our customers and friends with high standards, high quality, reliable reputation and reasonable prices.
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