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-   -   technora vs. d-ram (http://www.star-board-windsurfing.com/forum/showthread.php?t=145)

tcsaba 26th August 2006 06:11 PM

technora vs. d-ram
 
Hi,

My question would be that please somebody gives me a detailed comparison in technora to d-ram technology. Because Starboard replaced D-ram technology with Technora. I would like to know the benefits... Is this technology so "bulletproof" like before?

Csaba

Ola_H 27th August 2006 06:20 PM

RE: technora vs. d-ram
 
It's pretty much the D-ram construction where Dyneema is replaced by the fiber Technora. For som more details, you can check our the "Technolygy" section under "producs" in the pop up menue above and then refer to the D-ram construction from the 2006 site (http://2006.star-board.com/index.asp).

The Technora fiber itself has some great specs and is similar to Kevlar and Dyneema in its behaviour (ie not similar to Carbon fiber).

mmoritz 27th August 2006 07:50 PM

RE: technora vs. d-ram
 
After a couple of google searchs:

http://www.aramid.com/aramid_industrial_fibers_technora.asp

Due to their highly oriented rigid molecular structure fibers containing para-aramid linkages have high tenacity, high tensile modulus and high heat resistance. P-aramid fibers have similar operating temperatures to m-aramid fibers, but have 3 to 7 times higher strength and modulus, making them ideal for reinforce and protective type applications. Technora's breaking strength is one of the highest of all commercially available organic fibers (8 times as strong as steel). Technora? is especially useful for fiber reinforcement for composite material (e.g. marine applications) due to its lower moisture regain, higher elongation properties and ability to adhere stronger to resin reinforcement.

Compared to meta-Aramids Technora's major advantages include (1) greater tensile strength (2) greater chemical resistance and (3) lower moisture regain.

Compared to para-Aramids Technora's major advantages include (1) greater chemical, elongation and abrasion properties (2) lower moisture regain.


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