Originally Posted by
Jsaults
As I recall from many years ago in the outdoor biz, was sometimes used with the ripstop fabrics of the time to increase the downproofedness, especially against the snall quills sneaking through the weave. Added an extra step to the manufacturing process at the mill (passing the fabric between two heated rollers) so only the big names at the time were using it - TNF, SD, as I recall.
As memory serves it ws also applied to ripstop destined for parachute manufacturing to reduce the porosity - this was before the days of specialized lo-po fabrics.
2Q, correct me if I am in error. My memory ain't what it once was!
Jim
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