2、Product classify&standard：
Spread-on surface Type(type A):Spread on hot melted coating＆road
mark lines. |
| |
| Diameter（μm） |
Sieve
Size |
Quantity
on screen |
| 850 |
20 |
0 |
| 850-600 |
20-30 |
5-30 |
| 600-300 |
30-50 |
30-0 |
| 300-106 |
50-140 |
0-15 |
|
|
| Mixed-in Type(type
B):Mixed in hot melted coating |
| |
| Diameter（μm） |
Sieve
Size |
Quantity
on screen |
| 600 |
30 |
0 |
| 600-300 |
30-50 |
40-90 |
| <150
|
100 |
95-100 |
|
|
3、Specifications：
Appearance: Round, Clean, Transparent free of bubbles and foreign
matters.
Specific gravity:2.4—2.6(g/m3)
SiO2: 72%min
Roundness: 80%min
Index of refraction: 1.5min
Water proof:neutralized by 0.01N HCL<10ml
Micro hardness: ≥630kg/ m3
|
