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PostPosted: 02 May 2019, 21:15 
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Blade: DONIC Defplay Senso V3
FH: YASAKA Rakza 7 Soft 1.8mm
BH: TSP SpinpipsChop II 1.4mm
There are some rubbers that have the ITTF logo on them but they don't have the XX-XXX number on them, like the Palio AK47 rubber:
Attachment:
PALIO_AK47.jpg
PALIO_AK47.jpg [ 58.9 KiB | Viewed 278 times ]

while other rubbers from the same company, have both the ITTF logo and the XX-XXX number on them like Palio PowerDragon (55-004):
Attachment:
PALIO_004_Power_Dragon.jpg
PALIO_004_Power_Dragon.jpg [ 39.46 KiB | Viewed 278 times ]


Are both approved from ITTF? Can both rubber be used in ITTF tournaments and national games? If so, why is this difference with the numbering?

PS. As I see from ittf, they are approved: https://ittf.cdnomega.com/eu/2019/04/LA ... 042019.pdf

_________________
current setup: blade: Yinhe 980 | FH: Palio AK47 Blue 2.1mm | BH: TSP Curl P1-R 1mm
looping setup: blade: Yinhe W-6 | FH: Palio AK47Red 2.1mm | BH: Palio AK47Blue 2.1mm

@work setup: blade: Yinhe 980 | FH: Yinhe Mercury2 2.1mm | BH: Yinhe Neptune 0.7mm
to-be-used setup: blade: DONIC DefPlay Senso 3 | FH: YASAKA Rakza 7 soft 1.8mm | BH: TSP SpinPips Chop 2 1.4mm


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PostPosted: 03 May 2019, 10:40 
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Heh...

Image

Image

Answer: The sheets without numbers pre-date the system and are grandfathered in. Making/changing molds is expensive, so they don't do it most of the time. However once in a while a company might decide to update the topsheet design with a new logo and a number is printed on the new topsheets. Look in the LARC, lots of unnumbered sheets alongside numbered ones.

Iskandar


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PostPosted: 05 May 2019, 02:21 
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ITTF vigilance of the balls delights me.
Every single Ball is bound to be re-tested in ITTF labs every one year.

On the other hand, ITTF policy in regard to the rubbers is unduly slack, I believe.
Once approved, the rubbers will not be tested again within the period of ten years/ Sheer folly.


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PostPosted: 05 May 2019, 03:52 
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Let's just say rubbers matter a lot less than balls do. At least when it comes to complaints from players... :lol:

Iskandar


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