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  • ALUMINA BALL HD

ALUMINA BALL HD HD-50

3.57 (7)
Item.#
02964105
Mfr.#
HD-50
Package Qty.
1Box(1kg)
Ship pack of
1
Restriction
*[No return] You cannot return this product. For details, see FAQ.
19.09 SGD
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Shipped after 2017-06-30
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Item Feature
Reduced Shear Wear Rate (ppm/h)
180
Hardness (Hv)
1100
TGK Product Number
696-30-66-17
Chemical Composition
Al2O3/93%,SiO2/5%
Density (g/cm3)
3.6
Diameter (phi mm)
50
Fracture Toughness
3.7MPa root m
Hardness
HV: 9.8GPa (1000kgf / mm 2 ) HRA: 87
Customer Reviews
5 star 2
4 star 2
3 star 2
2 star 0
1 star 1
Review Rating: 3.57
7 Customer Reviews
The reviews are automatic translation.
It is used in science classes to indicate the size of a celestial body
4
From Japan
On 2017-03-22 14:37:38
I think that it is quite good. I will introduce it at the science research group and others.
This review is about item#02963992.
for test
3
From Japan
On 2017-02-20 17:04:29
I tried purchasing it experimentally I think that it is easy to use because it is a quantitatively exact quantity as it is used in the test
This review is about item#2963992.
Experimental material
4
From Japan
On 2017-01-19 14:36:20
It seemed to be handmade and there was some variation in shape.
This review is about item#2964114.
As a machine part
5
From Japan
On 2016-11-24 18:38:46
We are satisfied with using as water resistant and corrosion resistant parts. Accuracy is also reasonable.
This review is about item#33518247.
Concentration of adsorption of metal ions etc.
1
From Japan
On 2015-10-18 11:59:45
Unfortunately I thought that it was an activated alumina ball I purchased it by mistake and I could not achieve my purpose. I thought that I would like to ask you to deal in the future if it was what I wanted.
This review is about item#33518371.
Barrel polishing
3
From Japan
On 2015-02-19 14:09:34
I think that the quality is good but the price is a little cheaper. I purchased 1 mm, but the actual measurement was a mix of 1.16 to 1.26 mm. Since there is an error of 10% or more, I think whether it is better to add a hand to the notation.
This review is about item#02963992.
Put it for stirring in the solution of the product
5
From Japan
On 2014-11-25 13:43:30
Small variation in quality
This review is about item#33518247.