[amayausers] Re: Backing again.

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We mainly deal with "delta formed wet laid" non wovens
They are VERY soft and dense and entirely non directional.

 http://rnkdistributing.com/info.shtml#wetlaid 

They were developed in different weighst for single layer application
The idea is to use one layer of the proper weight for your stitch count & 
stitch density and for the weight and stretch of your material.
I do not like to be pinned down to #'s as there are far too many variables

but here goes :

a 2 oz cutaway "should"hold approc x 8,000 stitches - 1 layer
a 2.5 oz 15-20,000
a 3 oz 30,000or abave

There is really not a need for any more
There is a 3.1 & a 3.5 oz "saturate" made by a company named Milyon in Mxico 
and distributed by Melco mart and a few other companies
I believe that a  3 oz wet laid non woven, because of its density will hold as 
many or more stitches -single layer
By the way - the shrinkage on these "wet laid" non wovens is approx 1-2% - far 
closer to 1%

The mesh shrinks 3-5 %
Some peo[le do steam and pre -shrink the mesh
But the use of the no show nylon mesh is a whole different story as is the 
fusible mesh
I would be glad to go over this on another thread

Please feel free to e-mail me off list for samples to perform your own tests


Sincerely
Fred
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