China Road Marking White Crystal Glass Beads for Sandblasting/ Abrasives, Find details about China Micro Glass Bead, Reflective Material from Road Marking White Crystal Glass Beads for Sandblasting/ Abrasives
Project | Quality | |
Chemical composition% | SiO2 | >72% |
CaO | >8% | |
Na2O | <14% | |
MgO | >2.5% | |
Al2O3 | 0.5-2.0% | |
Fe2O3 | 0.15% | |
Others | 2.0% | |
Refractive Index | Nd≥1.5% | |
Density | 2.4-2.6g/cm3 | |
Size distribution | Oversize ≤5% under size ≤10% | |
Wire diameter | 0.03-0.4mm | |
Durability | 3-5 % | |
Hardness | 6-7 MOHS ;46HRC | |
Microhardness | ≥650kg/cm3 | |
Circularity | Round rate of ≥95% | |
Appearance | colorless ,glass transparent without impurities,Round and smooth | |
Application | 1.Grinding 2.Road marking paint 3.Sand blasting | |
Lead Content | No lead content, reach American 16CFR 1303 Lead content standard | |
Harmful substances content | Lower than American 16CFR 1500 standard | |
Flammable fire test | Not easy combustion,reach American 16CFR 1500.44 standard | |
Soluble heavy metal content | Metal content of soluble matter ratio solid weight rate no more than ASTM F963 corresponding value | |
Package | 25KG/pp bag then 40 bags in one ton bag/pallet |
Type | Mesh | Micronsm Max(μm) | Microns Min(μm) |
30# | 20-40 | 850 | 425 |
40# | 30-40 | 600 | 425 |
60# | 40-60 | 425 | 300 |
80# | 60-100 | 300 | 150 |
100# | 70-140 | 212 | 106 |
120# | 100-140 | 150 | 106 |
150# | 100-200 | 150 | 75 |
180# | 140-200 | 106 | 75 |
220# | 140-270 | 106 | 53 |
280# | 200-325 | 75 | 45 |
320# | >325 | 45 | 25 |