Originally Posted by Black Rose
I picked up some microfiber towels at Costco prior to reading this thread.
The label indicates that they are comprised of 92% bi-constituent and 8% polyester.
The 92% bi-constituent is broken down to a 76% Polyester / 24% Polyamide ratio.
When applying the no more than 80% polyester rule, does that only apply to the bi-constituent number or the overall totals?
This gets incredibly complicated, but the bottom line is there is an allowable variance(and no one knows who owns the real standard) in the 76%/24% combination. So it could be that they are now weaving the towels with a 76/24 combo, but in the final product you lose a percentage of the 24% portion which is what really helps reduce the scratching.
Simply put, test your towels on a CD before using them.