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Nittaku Sponge Thickness Description

Posted date: 20-May-2019

Nittaku sponge thickness list:

Sponge type Thickness
Ultra Super Thin 0.4mm ~ 0.7mm
Super Thin 0.9mm ~ 1.2mm
Thin 1.2mm ~ 1.4mm
Middle 1.4mm ~ 1.7mm
Thick 1.7mm ~ 1.9mm
Super Thick 1.9mm ~ 2.1mm
Max 2.1mm ~

* Not applicable for other brand's sponge

Blade and Rubber Matching

Posted date: 29-Nov-2016

Blade and Rubber Matching 

Generally speaking, it is idea to match the rubber and blade according to below rules of thumb: Harder blade is match with softer rubber and softer blade match with harder rubber


What is the problem if you match soft blade with soft rubber and hard blade with hard rubber? Consequences:

Soft Blade + Soft Rubber = powerless

Hard Blade + Hard Rubber = difficult to control 

Note: The above mentioned two combinations is still applicable depending to a player’s style and level.


Speed & Spin 

1.Hard Blade + Soft Rubber –Speed

Theblade’s characteristic will dominant the performance in this combination andit is moreemphasis of speed unleash.


2. Soft Blade + Hard Rubber – Spin

Rubber has relation to speed as well as spin, however as compared to speed, spin is the dominant performance in this combination.



The control parameter has great relationship with rubber, the softer the rubber, the more stable it control the ball, therefore combination of Hard Blade + Soft Rubber has more outstanding performance in control, whereas from the aspect of managing ball’s trajectory distance, Soft Blade + Hard Rubber has better performance. Generally speaking, soft blade able to inhibit bouncing, therefore hitting rhythm will be more compact.


Change rubber or change blade?

This is a common question asking by players.


Priority Consideration








Ball hitting feel


Ball bounce out speed (from blade)



Translate from In Table Tennis Magazine (2015.07)

Butterfly Hadraw Series

Posted date: 23-Nov-2016

Source: translated from In Table Tennis Magazine 2016.4


a). Hadraw SK

Reaction : 10.0; Vibration : 8.6; Thickness: 6.4mm; Average Weight: 84g 

Hadraw SK used classical 7 ply structure which this type of design has been successfully proven by previous Butterfly’s model.  The Hadraw SK was inherent from SK Tactics but with new upgraded design. 

First layer of Hadraw SK used a classical common wood which has superb ball holding ability; its second layer wood has been enlarged thickness which enables its stability, subsequently middle 3 thick layers provided essential support force, this has guarantee superb stability and in the same time providing adequate support force when player increasing his attacking force. The 7 ply woods will not have large deformation, this has shorten the deformation recovery time, hence provide continuity force which enable continuous close table attack. 

Hadraw SK is a kind of blade which searching for stability and continuity, for rubber matching, it is recommend to use harder rubber, this is because Hadraw SK’s stability already adequate, therefore it is necessary to use harder rubber to increase its offensive power.


b). Hadraw VK

Reaction : 10.5; Vibration : 8.4; Thickness: 5.7mm; Average Weight: 96g 

Hadraw VK blade’s composition will remind us about the classical Butterfly 5 ply blade: KORBEL, besides that during speed glue era, the TIMO BOLL W5 and PRIMORAC-EX also adopted similar wood composition design. With the similar basic design on top from Korbel, the Hadraw VK has additional blade support force and speed, whereas there are no changes in its speed and control characteristic. 

The combination of harder outer veneer and softer inner veneer in Hadraw VK enable adequate blade’s deformation, ball’s trajectory as well as spin when a player hitting ball with strength. When a playing with smaller force, the supportive force from blade ensure accuracy of ball’s placement. For player who is seeking for spin and arc, Hadraw VK will be an ideal weapon. 

When choosing the rubber, it is recommend choosing harder rubber to match with soft blade, which can produce amazing spin without losing its power and speed; if it is match with softer rubber. 


c). Hadraw VR

Reaction : 11.4; Vibration : 9.3; Thickness: 5.9mm; Average Weight: 89g 

Hadraw VR is a 5 ply wood blade and has adopted Wenge wood for its material onouter veneer; the design of this blade is consider a classical hard wood blade design. Therefore the speed of this blade is the highest among Hadraw series. The 5.9mm thickness of this blade brings along supportive force with just enough deformation, and generate amazing speed and power. 

When choosing rubber, it is recommend to use medium type of rubber, player will be easy to generate power when using softer rubber. 


d). Hadraw SR

Response : 10.8; Vibration : 9.1; Thickness: 6.6mm; Average Weight: 86g 

Hadraw SR is a 7 ply wood, its used hard wood for its outer veneer and second layer, whereas center core was constructed by three equally thickness wood. The outer layer hard wood produce high bouncing speed, second layer provide adequate power force, whereas third layer center core provide stability and support force. 

This blade produce stable attacking power when match with softer rubber, cause rubber’s control characteristic ensure its stability, whereas blade produce lethality during attack. If this blade is match with a harder rubber, blade’s superb support force will generate maximum lethality.

Defination of Hadraw:

Had - Meaning Head

Raw - raw wood

Combination of Hadraw stands for "only the highest wood material will be choosen" 

"R" stands for "Revolution". For the first time, Butterfly revolutionaly used Species Wenge wood for this series.
“S” stands for the first letter of the English word 7 and thus for the 7 veneers.
“V” stands for the Roman numeral “5” – and thus for the models with 5 veneers.
“K” stands for “Korbel-related characteristics”.

Butterfly new measurement matrix

Posted date: 21-Nov-2016

New Matrix of Butterfly blades

In early 2016, Butterfly has introduced new measuring matrix method for table tennis blade, the two power value is “Reaction” and “Vibration”; this innovation reducing the effect by human feeling and perception, helping player more safely to choose the right timber, it is thoroughly measure by machine and quantify blade performance via digital measurement technology. 

a).Reaction Characteristic

The Quantified Reaction of Blade: the highest the value, the higher the rebound and speed.


b).Vibration Characteristic

The Quantified Vibration of Frequency: the higher the vibration value, the less vibration you feel and consequently more difficult to control the ball


Wood with Soul – Hadraw Blades

Posted date: 21-Nov-2016

Wood with Soul – Hadraw Blades

Source from : http://butterflyonline.com/wood-with-soul-hadraw-blades/

When one thinks of Butterfly blades, they drop many of todays wooden series like “Zhang Jike” or “Timo Boll”. So timbers with special innovative material combinations, for example, plastic fibers such Arylate-Carbon or ZL-Carbon; with extroverted design of the handles and large printed area wood surfaces.

Meanwhile, a time of rethinking and change is at Butterfly occurred, which deals with the global launch of the new butterfly logo so intoxicating announced for the World Cup last year – and the innovation of new HADRAW series based on pure natural woods yet another milestone happened.

The design of HADRAW – “simply natural and beautiful”

Butterfly Art Director Tsuyoshi YAMAZAKI comments on the philosophy that has led to the development of HADRAW series, as follows:

“For the past 67 years, enthusiastic Butterfly customers with quality products from our own production. As simple as it is said, so important it is.”

Because simplicity is consistent with the core of this transformation. The same applies to HADRAW, to a certain extent the new “flagship series” for Butterfly blades of simple, pure natural woods. Woods that were in their design as simple and natural as in their material. This would apply not only for the product, but to speak for the packaging design too. A design, as you would outside of Japan rarely could find – “made in Japan” precisely. Laughing remembers Yamazaki:

“But the development of the package design also extends to one year back. That says a lot.”

An accent in all simplicity of the handle, its phosphorescent hologram lens, depending on the model, is held in magenta and green. A small but strong identity jewelry element.

HADRAW – designed for highest ambitions

“Ultimately certainly directed everything from on creating timbers that support top players is to be victorious. But this claim does not exclude beginners and advanced kids. Of course Butterfly is not a brand that manufactures toys for children. The decisive factor as to whether a butterfly wood is the right thing but is less whether one child, teen or adult is still even, but only as ambitious and with which you will to win operates the table tennis sport.”

Uniqueness must be protected. As a matter of course, therefore, will receive both the timber as well as their packaging have an identical serial number.

(Note: Those who want to go a little safer when buying a wood outside official stores or Butterfly online stores, to buy no imitation can proceed as follows: 1. Compare if the serial number of the packaging and the wood are identical. 2. Contact Butterfly with a message with the serial number and a request for review of validity.)

HADRAW – with the power of wenge wood

The Wenge wood is very hard, yet very elastic and has an enormous recoil force as unrivaled among pure natural woods. In the club face HADRAW models “SR” and “VR” it is used for the thin outer veneers.

Kazuma KANAI from the Butterfly R & D team is very confident of natural woods in general and from wenge material in particular.

“After a long search and testing phase was chosen not only because of the playability benefits of the wenge wood. Even in its color and in its haptic it gives players the impression that they have something noble in his hand. “

Kanai continued to handle wood:

“Because handle such clubface of HADRAW models bears solely consist of natural wood, they form a unity, a bond that can be felt unconsciously – even if the handle timber does not exert any direct influence on the performance of the racket timber.

Also for the development of the wood handle, so basic and simple, it works, great efforts have been made. Particular attention we have paid to the feel. The wood material used in the handle is purer than natural wood than any before. It attacks very well and is very good in the hand.”

HADRAW – what mean name and model names?

Course of Butterfly always other models, which are made of pure wood materials, such as the “Korbel” or the “SK7”; and enjoy the world with many large and even growing in popularity – with professionals like amateurs alike. Reason for the growing popularity may be the saturation of the market by the above-described timber from combined materials not last.

The offensive blade series HADRAW  to a certain extent represents pure natural woods for the new Butterfly generation. Your name is a combination of words. On the one hand from the syllable, HAD “- the, head ‘concerns, the Haddo in Japanese,’ to the English word is pronounced. Secondly, from the syllable, RAW ‘which the English word, raw’ (German:, raw ‘) says. It makes it that only the highest quality material head of the tree is used for timber series – and that the wood is just as it is used in its pure form.

The R ‘in the individual model designations such as “VR” or “SR” stands for, R (evolution)’. For the first time ever Butterfly revolutionaly used the Species Wenge wood for its blade.

“S” stands for the first letter of the English word 7 and thus for the 7 veneers.

“V” stands for the Roman numeral “5” – and thus for the models with 5 veneers.

“K” stands for “Korbel-related characteristics”.

More power – especially for the game of rounders

A timber made of pure natural materials is considered by many as the ideal solution when choosing a racket timber. A natural wood also helps to a certain extent revert back on what is important. Yes, “harking back to the what it takes” was in the development to a certain extent a motto, which was followed by the wood Butterfly experts.

While the models “SR” and “VR” with its wenge material of this mindset can be understood as a kind of the “revolutionaries”, it might be the models “SK” and “VK” than the classics, as “keeper of the good old values “, to understand.

To use the SK, albeit in a new design, a similar composition as the Veneer “SK7 Tactic” and the VK as a “Korbel Speed”, both of which have a comparatively new veneer composition today.

The SK is also a 7-ply blade. Compared to the same time harder and more resilient SR it is therefore very low vibration, far more controllable. The “SK7 Tactic”, which was developed with also 7 veneers especially for all-round player, was reborn in a sense in a new design in SK and has thus experienced an appreciation.

In contrast, the 5-layer VK “Korbel Speed” can be found in principle again that both differs from the harsher VR with its characterized stronger rebound and the softer “Korbel” with its pronounced stop feeling.

Not least against the background of the change to plastic ball the demand for something harder woods has become ever greater with reinforced rebound. Therefore the HADRAW VR and the UK are certainly very successfully continue the tradition of natural woods. 

HADRAW – large model variety

Thanks to a large variety of models, which (in Japan) also includes various penholder versions – and thanks to the new, modern design – wants others to the benefits of natural wood-based timber with 5 or 7 layers of veneer and accessible the HADRAW series a wide layer of players do.

Yusuke Iwase from Butterfly R & D team sums up the claim, which the HADRAW-offensive blade series will suffice, so together:

“In the development of wood, our claim is not exhausted is to have players added products on hand that you like and give a good feel. That’s just the duty. The freestyle is that professionals – like amateurs – determine for themselves that they therefore just in crucial game situations again been able to develop a piece of their game. Only then corresponds to a timber of Butterfly-product philosophy.”


Hi-End 7 Ply wood – Private specialty

Posted date: 19-Nov-2013

Nit Feather series



The hi-end 7 ply wood is like private specialty, each household have its own recipe. The hi-end 7 Ply wood normally ranked high price and have its own significant characteristic, making it has notable difference with others ordinary blades.  Some of the example of Hi-End 7 Ply Wood blades are Nittaku Barwell, Nittaku Adelie, Stiga Ebenholz NCT VII, Stiga Mapple Wood 7, Cornilleau GA and Darker 7P-2A.


When people talks about 7 ply wood, normally in the minds all the 7 Ply Blades are “Hard”, and the evaluation of 7 ply wood always in terms of its solid feeling and speed of rebound. If Nittaku Ludeack series never has been emerged before, people will not imagine about using “Soft Resilience” to describe 7 ply wood. The Ludeack series instead of making something special on structure design, its focus on the adhesive technology between plies, and developed new type of adhesive method, which emphasis the correlation between each plies wood, this revolution not only enhance it bouncing ability, furthermore reaching the level of “Bounce rather than stiff, Shock rather than vibrate, solid without penetrated”, good hands feeling, subsequently integrated Soft 7 Ply wood looping style characteristic into it. The Adelie-Barwell “Feather” series continue its “Soft Resillence” style, through adjustment on thickness and wood material, becoming the upgraded version of Ludeack series



Nittaku Barwell

Thickness : 6.5 – 7.4mm

Weight: 80 – 89g


The Barwell, thickness about 6.6mm, center core ply thickness increased 0.1mm, outer ply wood changed to Walnut wood, supporting force is stronger than Ludeack series’ Limba outer wood. The hard outer ply has good combination with inner 5 Ayous plies  without any dislocation, overall hardness similar to Ludeack series, may softer than Ludeack Power, sufficient strength, long trajectory, blocking, defense, counter attack is more reliable than Adelie, the Barwel blade belongs to power playing style.



Nittaku Adelie

Thickness: 6.0-6.4 mm

Weight : 80-89g


Adelie, thickness is about 6.2mm, shown impressive performance for strong underspin control and topspin counterattack. Compare to Ludeack series and Barwell, Adelie is more emphasis on partially blade deformation, easy to control and less return mistake. When applying full strength, you will feel more stiffness than others Ludeack series, far away from table shown more stable ball trajectory, overall hands feeling overcome Ludeack series.

7 Ply Wood - The Public Lover

Posted date: 09-Nov-2013

7 Ply Wood Blade – The Public Lover

7 Ply wood blade’s has many layers, theoretically the structure combination has bigger variation than others 5 and 3 plywood blade; no matter how its change, the balance between softness and hardness always be the key factor. According to classification, 7 ply wood blade development has 3 stages:

1st stage: Traditional Hard 7 Ply Wood – emphasis on speed and power, CL, P700 are the typical representative.

2nd stage: Soft 7 Ply Wood – thin thickness, lightweight, overall characteristic tends to be soft, good in looping, the typical example are PPP and YE7.

3rd stage: Soft 7 Ply wood with Hard style or Hard 7 ply wood with soft style – especially in water base glue era, the number of design using harder outer ply blade has been increasing, toward balancing, the trends becoming “Hard outer ply combined Soft inner ply”, the typical representative from this group are Ovtcharov Senso and YES.

The development of 7 Ply wood blade history was from hard to soft, gradually switching toward “Hard outer ply with soft innerply” design, the balance of this paradigm shift is according to the table tennis rules and regulation development, because of this changes, the characteristic differences between 5 Ply Blade and 7 Ply Blade has been increasing.


Tips: Why some of the 7 Ply blade has 2 obvious red lines?

The two red lines design is nothing to do with characteristic, mainly just for appearance, this design was began from Stiga CL blade. This is difference with Fiber ply which its color shown is actually its origin color.


Donic Ovtcharov Senso – Instant Celebrities

This blade was born in 2009, gradually gaining attention from the world after Dimitrij Ovtcharov recently outstanding performance. Outer ply is Walnut wood, inner 3 plys are Ayous wood, middle soft, one of the typical pioneer designs for “Hard outer ply with soft inner ply”. Although this is a star endorsement blade, however the price is reasonable, its characteristic of this blade is easy to use, quite balance, close and middle table attack and defense, still powerfull when far away from table, you won’t find obvious disadvantage from this blade.

Ovtcharov Senso


Butterfly Timo Boll W7 – Restore Hard 7 Ply Wood Style

Compare to its development in Fiber technology, Butterfly do not makes big development in 7 Ply wood, the W7 is a traditional Hard 7 Ply, thickness is about 7.0mm, weight seldom lower than 90g, Koto outer ply + 5 ply Ayous wood, overall hardness comparative with Stiga CL blade, the main focus for this blade is “Speed”. For those who like traditional hard 7 ply, you may try W7.





Reported by Table Tennis World, No. 243

Translated by CY Ho (Skybiz Sports )

How to assembly rubber

Posted date: 01-Jul-2013

Rubber assembly method

Remark: The above demostration with Butterfly Free Chack glue, it is same application for others types of water based glue.