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Why are Tweeners using Zytel over Grivory?

Perhaps, depends on the maker.

Think about it like this,

Grivory= Swtizerland
Zytel=America

Yeah, you heard me, made in America. Not enough difference in the make up to really justify a particle content spread, but both do not respond well to fire.

Moose
 
Polyphthalamide (aka. PPA, High Performance Polyamide) is a thermoplastic synthetic resin of the polyamide (nylon) family that is used to replace metals in high temperature automotive applications, as the housing for high temperature electrical connectors and multiple other uses. It has found a degree of favor for use in cutlery. Cold Steel has advertised the glass fibre reinforced series as being stealthy (due to them not being detected by metal detectors and having no metallic reflections) and, being made of "Grivory" (a trade name), stronger than previous models made of "Zytel".

As a member of the nylon family, it is a semi-crystalline material composed from a diacid and a diamine. However, the diacid portion contains at least 55% terephthalic acid (TPA) or isophthalic acid (IPA). TPA or IPA are aromatic components which serve to raise the melting point, glass transition temperature and generally improve chemical resistance vs. standard aliphatic nylon polymers.

PPA is manufactured under trade names Amodel, Grivory, VESTAMID HTplus and Zytel(r) HTN.


Moose
 
I agree with JBK2596, I prefer Grivory over Zytel, Grivory has that ceramic-y feel. As Marantz said, people can say the chemical composition is the same, however they will be in differing quantities and formulations.
 
Last edited:
:: raises hand :: What's a tweener?

This.

2012-01-24130910.jpg


Moose
 
Okay People,

KA-BAR has been trying to bring many things back to the USA for the last 3 years. The Becker handles are some of these things. Concerning the switch to zytel, I doubt that anyone will notice any difference and it certainly wasn't a pricing issue...we first started with Grivory and then switched to Zytel when the surface finish didn't come up to what we wanted. Our supplier can work with either plastic. The large Becker Handles will switch over to Zytel when our current inventory runs out.
The "Feel" of the handles has a lot to do with the texturing imparted to the handles during molding and not necessarily the type of plastic.
Please rest assured; you will not be dis-pleased.
Hope this helps.

Best Regards,

Paul Tsujimoto
Sr Eng
Prod Dev and Qual
KA-BAR Knives
 
Okay People,

KA-BAR has been trying to bring many things back to the USA for the last 3 years. The Becker handles are some of these things. Concerning the switch to zytel, I doubt that anyone will notice any difference and it certainly wasn't a pricing issue...we first started with Grivory and then switched to Zytel when the surface finish didn't come up to what we wanted. Our supplier can work with either plastic. The large Becker Handles will switch over to Zytel when our current inventory runs out.
The "Feel" of the handles has a lot to do with the texturing imparted to the handles during molding and not necessarily the type of plastic.
Please rest assured; you will not be dis-pleased.
Hope this helps.

Best Regards,

Paul Tsujimoto
Sr Eng
Prod Dev and Qual
KA-BAR Knives

And done. See?

HAHAHAHAHAHA Zytel foreva!!!!!

:D

Moose
 
Okay People,

KA-BAR has been trying to bring many things back to the USA for the last 3 years. The Becker handles are some of these things. Concerning the switch to zytel, I doubt that anyone will notice any difference and it certainly wasn't a pricing issue...we first started with Grivory and then switched to Zytel when the surface finish didn't come up to what we wanted. Our supplier can work with either plastic. The large Becker Handles will switch over to Zytel when our current inventory runs out.
The "Feel" of the handles has a lot to do with the texturing imparted to the handles during molding and not necessarily the type of plastic.
Please rest assured; you will not be dis-pleased.
Hope this helps.

Best Regards,

Paul Tsujimoto
Sr Eng
Prod Dev and Qual
KA-BAR Knives
You didn't hear me Bitching, GO USA.
 
Cool. Hopefully we'll see some Zytel in OD. ;)

Well, I know you will see some in Coyote brown. :D

For the BKT Shorts.

And I know one color you WILL NOT see on BKT's from Kabar.

Toxic green. Damn.

Moose
 
Well, I know you will see some in Coyote brown. :D

For the BKT Shorts.

And I know one color you WILL NOT see on BKT's from Kabar.

Toxic green. Damn.

Moose

What no toxic green????

Well as long as they have blaze orange I will be a happy camper:):D;)

-orangish ducktape

1671.jpg
 
What no toxic green????

Well as long as they have blaze orange I will be a happy camper:):D;)

-orangish ducktape

1671.jpg

No, no Toxic Green ever. Its a long story, but regardless, BKT will never see a toxic green handle from Kabar

Moose
 
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