The chemical formulation of S-glass differs from that of standard E-glass. Examples of E-glass are found in the Standard Fiberglass Cloth section of this catalog. S-glass is 30% stronger and 15% stiffer than E-glass and retains these properties up to 1500° F. S-glass is also considerably tougher than an equivalent E-glass. Other styles are available on request. Sold by the yard.
The thread count is 18x18, and the weight is 5.59 oz.
He have updated the description to include the width, which is 60".
Per the supplier: the finish can meet AMS3824C.
Yes, it is a bi-directional cloth.
Per the tech data sheet, it is 7.40 mil.