Murat said:
i bought olive green model of elios, they stoped showing it on their website but as far as i remmember they calimed that it was high density heiwa suit.
The olive green is high density heiwa. Elios use neoprene from a range of suppliers, including heiwa, Yamamoto, Sheico, Rubatex and Nam Liong.
The Neoflex range is made from (mainly) Yamamoto or Heiwa, whilst the cheaper Ecoline range use (mainly) Sheico or Nam Liong
The main advantage of the Neoflex neoprenes is longer life, as they stand up to repeated compression/expansion cycles much better than the cheaper softer neoprenes. They also compress less with depth. This is at the expense of some flexibility, but on a properly cut made to measure suit this is not a problem, as they are still stretchier than skin
Most consumers do not really have the knowledge to identify which neoprene is best for their purpose, and would not recognise it anyway.It seems an unscrupulous manufacturer is taking advantage of this.
Asking just for a specific brand of neoprene is a bit like asking for a Ford car without specifying the model, as all neoprene manufacturers produce many different types of neoprene, and are constantly coming out with new types. It really is best to be guided by an expert who is doing this all the time
At the moment, for a smoothskin outer suit, Heiwa medium density is probably the best choice. For a nylon outer suit things are not so clear cut. Heiwa medium density is very good, but so is Yamamoto 38, and there are a couple of others I would be equally happy to use!
I am a bit of a trainspotter about this stuff as I worked in drysuit R&D for nearly 10 years, and my business partner was a designer for a major surfing wetsuit brand
cheers
dave
www.spearo.co.uk