 |
| |
| 产品的质量标准 Quality level of the product |
| 1、外观:无色透明,无明显的气泡与杂质。 |
| 2、比重:2.4-2.6g/cm3 |
| 3、折射率:≥1.5 |
4、玻璃珠成份:钠钙玻璃组成, 含量>62% |
5、成圆率:粒径≥600 (30目)的,成圆率≥80% |
粒径≤600 (30目)的,成圆率≥85% |
| |
| 1、Appearance:Beads are clean,transparent
and free substantially from bubbles and foreign |
| matters. |
| 2、Specific Gravity:2.4-2.6g/cm3 |
| 3、Index of refraction:≥1.5 |
4、Glass composition:Sodium-Calcium glass, content>62% |
5、Roundness:standard Diameter≥600 (30mesh)product
is more than 80% ; other(30mesh) |
| are more than 85%. |
| |
| 规格: |
| 1、JT/T446-2001 1号(A类)JT/T446-2001 NO.1(A
Series) |
|
粒度直径( )
Standard Diameter( )
|
筛网目数
Sieve Size
|
筛余量(%)
Quantity On Screen
|
| >850 |
20 |
0 |
| 850-600 |
20-30 |
30-80 |
| 600-300 |
30-50 |
30-80 |
| 300-106 |
50-140 |
10-40 |
| <106 |
<140 |
0-5 |
|
| 2、JT/T446-2001 2号(B类)JT/T446-2001 NO.2(B
Series) |
|
粒度直径( )
Standard Diameter( )
|
筛网目数
Sieve Size
|
筛余量(%)
Quantity On Screen
|
| >600 |
30 |
0 |
| 600-300 |
30-50 |
40-90 |
| 300-150 |
50-100 |
5-60 |
| <150 |
100 |
0-5 |
|
| 3、JT/T446-2001 3号 JT/T446-2001 NO.3 |
|
粒度直径( )
Standard Diameter( )
|
筛网目数
Sieve Size
|
筛余量(%)
Quantity On Screen
|
| >212 |
70 |
0 |
| <90 |
170 |
0-4 |
|
| |