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  1. lodro is offline
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    Advanced TTD Member 167 399
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    lodro is offline
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    #21


    [h1]Original 2pieces 999 999T pips-in table tennis pingpong rubber with sponge 2.2mm H44-45[/h1]

    Just a bit of a laugh of course but these rubbers are still tacky after 3 years and play well on a all wood blade.

  2. Gozo is offline
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    Mar 2021
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    #22
    Quote Originally Posted by lodro


    [h1]Original 2pieces 999 999T pips-in table tennis pingpong rubber with sponge 2.2mm H44-45[/h1]

    Just a bit of a laugh of course but these rubbers are still tacky after 3 years and play well on a all wood blade.

    I am so jealous coz my local vendors do not carry this fantastic product...


  3. lodro is offline
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    lodro is offline
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    #23
    Quote Originally Posted by Gozo

    I am so jealous coz my local vendors do not carry this fantastic product...


    of course you would be , where can you get a H-value of 45 chinese grade 😁

    The Following User Likes lodro's Post:

    latej


  4. zeio is offline
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    Master TTD Member 7,596 5,361
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    zeio is offline
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    PNG
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    #24
    Quote Originally Posted by latej
    Would you say the sponge on these Nittaku Turbo H3s has bigger pores than the chinese original?

    Edit: on the image it looks it could have, but nothing definitive.
    Hard to tell without a microscope. But from the images, they look rather close.
    Race for Tokyo 2020+1 - Women's Top 11, Japan
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  5. Music&Ping is offline
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    #25
    Quote Originally Posted by Mumon
    Another problem is though, that these scales don´t seem to translate linearly which makes it a whole lot harder to actually compare the hardness.

    THIS is the right and perfect answer: it's impossible to compare 2 sponges based solely on their hardness:
    - how companies measure hardness ? system used ? units ? devices ? methods ?
    - my tennis ball may be as hard as ... a given plank of wood, but that plank of wood isn't full of air, and isn't capable of the bounces the tennis ball can do. Oh yeah you may say it's an idiocy to compare such 2 different things, but science doesn't care about what's "something" looks like and is used for, that's why scientists always search for other measuring methods, tools, units, systems.

    Hardness measurement is based on 3 parameters:
    1- scratch
    2- indentation
    3- ... rebound !

    and in each parameters there are even different scales, units so ! to measure each of those parameters; Vickers, Shore, Brinell, Leeb, Bennett, etc. So... I guess it's impossible to give a valid and correct comparison to most of us mere TT players mortals who don't have enough clue and education about hardness science. Here such a word as "hardness" is only used for advertising purposes IMHO.

    The Following User Likes Music&Ping's Post:

    lodro

    Last edited by Music&Ping; 04-04-2021 at 03:11 PM.

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