玻璃打砂用砂sand for sand blasting无尘砂玻璃喷砂
无尘砂是玻璃喷砂中效果非常好的新型产品，广泛用于清理，和玻璃、金属表面强化处理的一种独特性的磨料。主要用于喷砂设备，玻璃喷砂效果非常好。无尘砂经高温冶炼而成，制造中要熔成球状，再退火以除去内应力和防止破损。加入特种矿石经高温烧制成， 无棱角，外型球体状。
Free-dust sand is a kind newly environmental protection material ,with raw material of bauxite,coal and so on,It is used in the fields of Glass sandblasting and Abrasive tools.Free-dust sand is the substitute for Middle and low intensity emery sand such as Quartz sand, glass balls and metallic balls.
无尘砂理化指标：
|
化学成分
|
Al2O3
|
≥80%
|
|
SiO2
|
3-5%
|
|
Fe2O3
|
2-5%
|
|
物理特性
|
形状
|
圆形
|
|
颜色
|
黄色 黑色 褐色 奶白色
|
|
莫氏硬度
|
6-7
|
|
成圆率
|
90%
|
|
破碎率
|
6%
|
|
优点
|
1
|
高硬度
|
|
2
|
流动性好
|
|
3
|
无尘
|
|
4
|
耐磨
|
|
5
|
极小的相互摩擦力
|
|
6
|
粒度分布集中
|
|
Chemical Composition
|
Al2O3
|
≥80%
|
|
SiO2
|
3-5%
|
|
Fe2O3
|
2-5%
|
|
Physical
Properties
|
Shape
|
Round
|
|
Color
|
Yellow,Black,Black-Brown,milk-white
|
|
Mohs hardness
|
6-7
|
|
Roundness
|
90%
|
|
Broke Rate
|
6%
|
|
Advantages
|
1
|
high hardness
|
|
2
|
Good liquidity
|
|
3
|
No dust
|
|
4
|
Wear resistance
|
|
5
|
minimal mutual friction force
|
|
6
|
Well-distributed size
|
产品规格：20# 36# 46# 60#
主要用途：玻璃喷砂 ，大型设备抛光清洁，工件表面处理，暖气片喷砂等等
Available Sizes:20# 36# 46# 60#
Main Application:Glass sandblasting;Surface Treatment;Lapping/polishing cleaning;Radiators sandblasting etc
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