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The Mohs scale of mineral hardness is named after Friedrich Mohs, who developed it. The Rockwell scale of metal hardness is named after Hugh and Stanley Rockwell, who created the machine that measures it. Hugh and Stanley Rockwell aren't directly related to each other. The Shore Durometer scale for measuring the hardness of elastomeric materials like rubber is named after Albert Shore, who invented the measuring device called the durometer.
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==Durometer== The Durometer returns a dimensionless (or unitless) value that ranges from zero to 100. It measures hardness and is limited to use with rubbers and polymers. Wikipedia has an article on the Shore Durometer.
A shore crab has 6 legs!
A body of water freezes from shallowest to deepest. therefore usually from shore to middle.
what is the difference between Shore-A Hardness & Barcol Hardness
http://www.matweb.com/reference/shore-hardness.aspx
The Mohs scale of mineral hardness is named after Friedrich Mohs, who developed it. The Rockwell scale of metal hardness is named after Hugh and Stanley Rockwell, who created the machine that measures it. Hugh and Stanley Rockwell aren't directly related to each other. The Shore Durometer scale for measuring the hardness of elastomeric materials like rubber is named after Albert Shore, who invented the measuring device called the durometer.
25
yes
It's the hardness of the material shore a is softer/more elastic. Shore D is harder/stiffer. Then there is a number rating, the higher the number the harder the material.
Base hardness of rubber is around 40 shore A
I understand that Asker C is a measurement of hardness for soft rubber. Its also based on a JIS K7312 standard. But How can I compare how this method of measurement correspond to ASTM D2240 Shore A standard ? i.e. If a material is Asker C 30points, how many is it on a Shore A point system?
You don't convert Shore to Barcol or reverse. They aren't directly related, that's why you can't find any references for it. Shore D is a "softness" measure and Barcol is a "hardness" measure. The best bet is to go to the manufacturer of the product and ask directly for the number you need. They can easily test the material and give you an answer, but convert one to the other...you're asking for trouble.
Janka wood hardness scale - The Janka rating is a measure of the amount of force it takes to push a .444" diameter steel ball half way into a piece of wood. The speed of growth of a tree can effect the Janka rating.
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catch luvdisc or a rock on the shore in lilycove