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Sponge Hardness

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TheRobot99 View Drop Down
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    Posted: 07/25/2011 at 7:52pm
How do sponge hardnesses vary across companies? Some give options on hardness and the scales used are different. I know for sure that a DHS 38 doesn't equal an ESN 38. What about other companies?  (Dawei, DHS, ESN, Haifu, Butterfly, Yasaka, etc.)

Edited by TheRobot99 - 07/26/2011 at 12:09am
Ross Leidy Custom, DHS Hurricane III Neos, Nittaku Nodias

Xiom Fuga, Globe 999 National 39, Nittaku Nodias

JOOLA Torre All+, DHS Hurricane II #19 Sponge, Galaxy Moon 38

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Post Options Post Options   Thanks (0) Thanks(0)   Quote dingyibvs Quote  Post ReplyReply Direct Link To This Post Posted: 07/26/2011 at 1:39am
Galaxy has a nice chart translating between the DHS scale, which they use now as well, and the ESN scale.  Unfortunately, I can't find it right now :(
Blade: DHS DM-1000 CPEN
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Post Options Post Options   Thanks (0) Thanks(0)   Quote atv Quote  Post ReplyReply Direct Link To This Post Posted: 07/26/2011 at 1:52am
DHS uses Shore A scale while almost all others use Shore C, here is a pic for conversion


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Post Options Post Options   Thanks (0) Thanks(0)   Quote TheRobot99 Quote  Post ReplyReply Direct Link To This Post Posted: 07/26/2011 at 2:45am
I can't read Chinese......
Ross Leidy Custom, DHS Hurricane III Neos, Nittaku Nodias

Xiom Fuga, Globe 999 National 39, Nittaku Nodias

JOOLA Torre All+, DHS Hurricane II #19 Sponge, Galaxy Moon 38

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Post Options Post Options   Thanks (0) Thanks(0)   Quote dingyibvs Quote  Post ReplyReply Direct Link To This Post Posted: 07/26/2011 at 2:47am
Left is the Shore C, right is the Shore A
Blade: DHS DM-1000 CPEN
FH: Tenergy 05 2.1
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Post Options Post Options   Thanks (0) Thanks(0)   Quote TheRobot99 Quote  Post ReplyReply Direct Link To This Post Posted: 07/28/2011 at 9:44am
Thanks a lot. What about and those that don't follow either scale?
Ross Leidy Custom, DHS Hurricane III Neos, Nittaku Nodias

Xiom Fuga, Globe 999 National 39, Nittaku Nodias

JOOLA Torre All+, DHS Hurricane II #19 Sponge, Galaxy Moon 38

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Post Options Post Options   Thanks (0) Thanks(0)   Quote atv Quote  Post ReplyReply Direct Link To This Post Posted: 07/28/2011 at 9:55am
Originally posted by TheRobot99 TheRobot99 wrote:

Thanks a lot. What about and those that don't follow either scale?


Some rubbers just use soft, medium and hard, then there is no way to tell, the Nodias A1 hard is softer than my Hammond pro B Medium even though they are both from Nittaku.
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Post Options Post Options   Thanks (0) Thanks(0)   Quote JimT Quote  Post ReplyReply Direct Link To This Post Posted: 07/28/2011 at 12:08pm
Originally posted by atv atv wrote:

DHS uses Shore A scale while almost all others use Shore C


Not really - Butterfly and Nittaku use Shore A as well I think. I think ESN uses Shore C and because of that all tensor rubbers are graded in Shore C - therefore Euro tensor manufacturers like Donic, Andro, Palio report the Shore C numbers (like 54 for Palio Thors or 47 for some Roxon or Plasma rubbers... 470!)
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Post Options Post Options   Thanks (0) Thanks(0)   Quote aythsu Quote  Post ReplyReply Direct Link To This Post Posted: 01/18/2013 at 9:35am
Originally posted by JimT JimT wrote:

Originally posted by atv atv wrote:

DHS uses Shore A scale while almost all others use Shore C


Not really - Butterfly and Nittaku use Shore A as well I think. I think ESN uses Shore C and because of that all tensor rubbers are graded in Shore C - therefore Euro tensor manufacturers like Donic, Andro, Palio report the Shore C numbers (like 54 for Palio Thors or 47 for some Roxon or Plasma rubbers... 470!)


If what you say is true, then the Yasaka Mark V sponge would be as hard as DHS H3 Neo 40 deg, which I find it hard to believe.
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GSOM_GSOM11 View Drop Down
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Post Options Post Options   Thanks (0) Thanks(0)   Quote GSOM_GSOM11 Quote  Post ReplyReply Direct Link To This Post Posted: 01/18/2013 at 4:40pm
Nope.

Yasaka seems to use Shore C. They say Mark 5 is 40-45d (I suppose more like 45). It`s close to Tenergy with its 36 degrees Shore A.
Here is a similar result, both 52d (there is obviously some calibration offset present):

And Mark5-30 is VERY soft =)))


Edited by GSOM_GSOM11 - 01/18/2013 at 4:40pm
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JimT View Drop Down
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Post Options Post Options   Thanks (0) Thanks(0)   Quote JimT Quote  Post ReplyReply Direct Link To This Post Posted: 02/05/2013 at 10:55am
Here is another good link

http://mechanicalrubber.com/elastomericsolutions/wp-content/uploads/2012/10/Durometer-Conversion-Table-2.pdf

It seems that DHS/Butterfly scale is Shore A (everybody agrees on that), but ESN scale is probably Shore O.
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Post Options Post Options   Thanks (0) Thanks(0)   Quote haggisv Quote  Post ReplyReply Direct Link To This Post Posted: 02/05/2013 at 8:45pm
That's a really handy chart JimT!Thumbs Up

(PS fixed up your link)


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