is the S-2
Glass version of Style 7576
10.5 oz/sq yd 8 harness satin weave with the weaver's data given as 10.5 oz 8 harness satin weave using 120 each of the SCG 75 1/0 yarn per inch in the warp and 24 each of the SCG 150 1/0 in the fill. The weaver's breaking strength value for 6576 is given as 1.33 times greater than the E glass style 7576 counterpart. We get very little 6576 in but do have one 74 yard roll of 50" width with the 497A finish. If you are interested you can have it for $9/yd and if you're in any of the 48 continental United States we'll pick up the shipping.