List of multiesters (multifilaments containing polyesters)

Automatix

Legend
This thread is somewhat of a sister thread to the one titled "List of monofilament polyamids and elastomer co-polys".
The intent is to make a list of multifilaments which contain polyester or as referred to here, multiesters. Reminder: Multifilaments are most commonly made of nylon.
It is intended as yet another way of finding that sweetspot between comfort & control-spin.

Multifilaments constructed using, among others, polyester in varying proportions:
Tecnifibre Duramix - discontinued
Tecnifibre Duramix H.D. - discontinued
Tecnifibre HDMX
Tecnifibre RPX
Tecnfibre Triax
Tecnifibre X.Code - discontinued*
Tecnifibre X-Code H.D. - discontinued*
Wilson NXT Control
Yonex Multi-Sensa - discontinued*
Yonex Rexis Speed

Syn-gut-esters®© & patent pending @Trip ;):
Tourna Quasi-Gut Armor

* - polyester filaments only

Recommended reads:
List of monofilament polyamids and elastomer co-polys
Kobayashi Maru String Scenario
 
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Trip

Hall of Fame
@Automatix - Tourna Quasi-Gut Armor seems like it should be added to the list:

QGUTA-171-SET-21.jpg
QGUTA-17-SET-11.jpg


The bits from Tourna's product lingo that are relevant here:
"[...]The string starts with a high tenacity center core with DuPont nylon center wraps. This core is then wrapped with thousands of micro fibers. [...]The outer layer of the string includes polyester wraps. These wraps vastly improve durability and delay breakage from stiff poly strings digging in during hybrid use.[...]"

So in this case, the poly is more over the string than in it (like with Triax/RPX), but nonetheless, it's still part of the construction.

TL;DR - Tourna Synthetic Gut Armor would be the "syn-gut-ester" sibling -- similar construction, but uses a solid syn-gut core instead of a multi core.
 
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Happi

Hall of Fame
I'd never suspect that string contains even a picogram of polyester. :oops: Acts like your typical multi for me, it isn't even gummy like e.g. Duramix.

Yes it is an older string that was not market like Triax. I guess Isospeed was first mover.
 

AceyMan

Professional
what about multis that include some PEEK (Zyex™)?

there are a few of those in the marketplace, Gamma Live Wire XP coming first to mind.

/Acey
 

Automatix

Legend
what about multis that include some PEEK (Zyex™)?

there are a few of those in the marketplace, Gamma Live Wire XP coming first to mind.

/Acey
Hey @AceyMan ,
we're focusing here on those with (co-)polyester fibers.
To be honest I've never found anymore control or durability with multis using PEEK (Zyex™).

Thanks for the suggestion though1
 

Trip

Hall of Fame
@Casper777 and @Automatix - I'm pretty sure XR3 doesn't have any poly in it. The tri-core is made up of what TF dubs "PHP", or "Polymer High Performance". The key there: "Polymer" does not necessarily equate to "Polyester". They use the same material to make up the single mono-core of Multifeel, and it's pretty widely confirmed that Mutilfeel doesn't have any poly in it. Pics below (XR3 on the left, MF on the right):

61NwMgY.png
C5CezEX.png
 

tazz

Rookie
Recently I had time to experiment with some strings and was checking out some multiesters. I tried Wilson NXT Control (1.35) and Technifibre HDMX (1,35) on my Wilson PS RF 97 v11. They were strung 23/21.5kg. My usual setup is Solinco Tourbite 16l 22/20.5kg in the same racquets.

And holy moly those strings are sick! It was the perfect combination of power, spin and control. The bounce on my forehand was otherworldly and players with a way better ranking struggled with my missiles. BUT the biggest downside: longevity. I played one and a half set with each string before they burst. And with burst, I mean burst! Multiple strings break at once, the ends are sharp, shrapnel are flying around. As soon as the coating is perforated, the poly rips it apart. Fingers crossed, they find a way to make them more durable. Right now, I don't see the appeal for advanced players (why change from gut/poly hybrids if the alternative is equally expensive?). I even don't see an advantage for intermediate players looking for a softer setup. Modern soft polys are ok-ish, but with elbow problems multifilaments are still the way to go.
 

tele

Professional
when you say "the poly rips it apart", are you referring to poly crosses? i have snapped nxt control (only available in 1.30 when i used it years ago) in a full bed but do not remember any shrapnel.
 

veelium

Hall of Fame
(why change from gut/poly hybrids if the alternative is equally expensive?).
Sometimes wheather conditions make gut not viable.
In winter I play once per week in some humid clay indoor court and gut/poly wouldn't last a single session there even though I play it for ~20 hours outdoors.
 

tazz

Rookie
NXT Control, Triax, HDMX etc have small polyfibres which are turned like multifilaments and have the same coating. When the coating of a multifilament is gone, the fibres are without protection and will break. I'm not sure of the process of those multiesters, but by inspection it seems that the polyfibres tear themselves and the coating apart. Somewhere I read that the materials of the polys and the coating are not complementary (?) and push away from each other (dunno how to explain it better, I'm no chemistry expert).
 

tele

Professional
i definitely saw fraying if that is what you meant. i just did not get little pieces flying around like shrapnel. interesting about the fibers not being compatible with the coating. havent heard that before. i found nxt control durability on par with other multifilaments, but i use tight patterned racquets.
 

codonnell

Rookie
@Automatix - Tourna Quasi-Gut Armor seems like it should be added to the list:

QGUTA-171-SET-21.jpg
QGUTA-17-SET-11.jpg


The bits from Tourna's product lingo that are relevant here:
"[...]The string starts with a high tenacity center core with DuPont nylon center wraps. This core is then wrapped with thousands of micro fibers. [...]The outer layer of the string includes polyester wraps. These wraps vastly improve durability and delay breakage from stiff poly strings digging in during hybrid use.[...]"

So in this case, the poly is more over the string than in it (like with Triax/RPX), but nonetheless, it's still part of the construction.

TL;DR - Tourna Synthetic Gut Armor would be the "syn-gut-ester" sibling -- similar construction, but uses a solid syn-gut core instead of a multi core.
This string looks extremely fascinating and I like the color too. Has anyone used it? What does it play like?
 

tele

Professional
This string looks extremely fascinating and I like the color too. Has anyone used it? What does it play like?
fairly powerful, decent spin for a multi. comfy. notches very quickly. works well as a hybrid mains if durability is not a priority. also very cheap in a reel. sorry for the broken sentences, but typing in a hurry.
 
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codonnell

Rookie
fairly powerful, decent spin for a multi. comfy. notches very quickly. works well as a hybrid mains if durability is not a priority. also very cheap in a reel. sorry for the broken sentences, but typing in a hurry.
Not a problem at all! My sentences can be broken even not when I’m in a rush haha. It does sound like it could make for a good hybrid string to soften up oily and provide some power without sacrificing as much spin.
 
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