My thoughts exactly, Byard. When I first heard about this new system, I just thought: "GREAT! Finally something that actually MEANS something." Today I just sigh and think: "When do they make a reliable sizing system for us NON-PhD's?" ;0)
/Nick >"Excellent info Mark!! Thanks for thoroughly confusing the topic...;^) " > >...byard -----Ursprungligt meddelande----- Från: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED] För Byard Miller Skickat: den 3 augusti 2005 03:04 Till: [email protected] Ämne: Re: [VFB] Thread Sizing >It actually gets a bit more complicated than even that...saince the >diffrenet materials have different densities, denier, which is based on >mass per 9000 meter of fiber, is close but not exactly the same. For >example, for a series of 50 denier gel spun polethylene (density >approximately 0.95 g/mL) would be the thickest, followed by nylon 6,6 >(density = 1.14 g/mL), then silk (density - 12.5 -1.34 g/mL), then >polyester PET type, polyethylene terephthalate, density - 1.37 g/mL) >with the thinnest being Kevlar (density = 1.44 - 1.49 g/mL). this is >ignoring any diffrences in how the strands of the fibers arre twisted >together. If comparing a single fiber, a gel spun polyethylene fiber of >the same denier as a Kevlar fiber would be about 1.55 times as thick. >another words, denier sizing is an improvement, but really should only >be used to compare threads made of the same base material. > that or you can use the densities listed above to figure it >out...more apples and oranges...my personal prefference would be for a >and average thread diameter rating, but I doubt that will ever happen. > Anyway, I usdually don't need anything beneath about 140 denier... > >Mark Delaney
