一级60#铬刚玉60目铬刚玉

所在地: 河南省 郑州市
发布时间: 2022-11-19
详细信息

一级人造磨料粒度砂60#铬刚玉60目铬刚玉

60目铬刚玉: 

铬刚玉是以氧化铝为主要原料,适配氧化铬等。经高温熔炼而成。呈粉红色、硬度与白刚玉近似,韧性比白刚玉高。

60目铬刚玉特性:

产品具有较好的高温热化稳定性,耐冲刷性,抗侵蚀性和耐磨性。晶体呈粉红色,用于制造的磨具,度好,磨加工光洁度高。适用于量具,机床主轴,仪表零件、螺纹工件及样板磨等精密磨削。

Its main material is bayer alumina ,which is electrically fusd in high temperature,being added with the right quantity of  oxidized chromium . The color is pink ,the hardness is close to WFA but the toughness is higher than WFA. The abrasive tools made of it feature excellent durability and high processing cleanness,which are suitable for the precision grinding of the measuring rools,lathe main shafts,instruments and apparatus parts,threading workpieces and samplers etc.


60目铬刚玉化学指标:


低铬
Low chromium

中铬
Medium chromium

高铬
High chromium


Al2O3
(%) 

Cr2O3
(%) 

Na2O
(%) 

Al2O3
(%)

Cr2O3
(%)

Na2O
(%) 

Al2O3
(%)

Cr2O3
(%)

Na2O
(%) 


F12-F80

≥98.50

0.20-0.45

≤0.50

≥98.20

>0.45-1.00

≤0.55

≥97.40

>1.00-2.00

≤0.55


F90-F150

≥98.50


≤0.50

≥98.20


≤0.60

≥97.00


≤0.60


F180-F220

≥98.50


≤0.50

≥98.80


≤0.70

≥96.50


≤0.7


60目铬刚玉物理指标:

基本矿物
Basic minerals

晶体尺寸
Crystal size
μm

真比重
True density
g/cm3

堆积密度
Bulk density
g/ cm3

显微硬度
Knoop hardness
kg/mm2

α-Al2O3

600-2000

≥3.90

1.40-1.91

 

2200-2300

我们的厂——郑州市海旭磨料有限公司:


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