玻璃打砂玻璃噴砂用砂無塵砂sand for glass blasting
無塵砂是玻璃噴砂中效果非常好的新型產品，廣泛用于清理，和玻璃、金屬表面強化處理的一種獨特性的磨料。主要用于噴砂設備，玻璃噴砂效果非常好。無塵砂經高溫冶煉而成，制造中要熔成球狀，再退火以除去內應力和防止破損。加入特種礦石經高溫燒制成， 無棱角，外型球體狀。
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.
無塵砂理化指標：
|
化學成分
|
Al2O3
|
≥80%
|
|
SiO2
|
3-5%
|
|
Fe2O3
|
2-5%
|
|
物理特性
|
形狀
|
圓形
|
|
顏色
|
黃色 黑色 褐色 奶白色
|
|
莫氏硬度
|
6-7
|
|
成圓率
|
90%
|
|
破碎率
|
6%
|
|
優點
|
1
|
高硬度
|
|
2
|
流動性好
|
|
3
|
無塵
|
|
4
|
耐磨
|
|
5
|
極小的相互摩擦力
|
|
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
|
產品規格：20# 36# 46# 60#
主要用途：玻璃噴砂 ，大型設備拋光清潔，工件表面處理，暖氣片噴砂等等
Available Sizes:20# 36# 46# 60#
Main Application:Glass sandblasting;Surface Treatment;Lapping/polishing cleaning;Radiators sandblasting etc
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