欧洲标准(EN1423/EN1424)玻璃珠

质量要求标准

[外观]

[比重]

[成圆率]

[折射率]

[玻璃成分

玻璃珠应为无色透明的球体,光洁圆整,无明显气泡或杂质。在容器中的状态应为松散的球状颗粒,清洁无杂质,并不含有结块物。

20+/-2摄氏度
的二甲苯中

>2.4/立方厘米

有缺陷的玻璃珠质量小于玻璃珠质量的30%,即玻璃珠成圆率不小于80%
粒径在850~600um的玻璃珠成圆率不应小于70%

折射率>1.5

钠钙玻璃,Sio2>68%

 

粒径分布

 

[型号]

[执行标准]

[粒径范围](um)

[筛余量](%)

[说明]

1424

EN

1180

0

EN1424玻璃微珠作为路面标线内混反光之用 

1000

0~10

850

5~20

600

45~85

355

95~100

1423

 

 

EN1423玻璃微珠作为路面标线面撒反光之用 

710

0~2

600

0~10

355

30~70

212

70~100

125

95~100

 

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