Aircraft Spruce has a # 7533 bi-directional glass with the following specifications: 5.85 oz/square yard, thread count = 18 x 18, breaking strength 250 x 250 pounds/inch, thickness = .009 inches. The description ends with the statement "as used on KR aircraft".
Their part number is 7533-60, and it costs $5.75 per lineal yard with a 60 inch roll width. Jim Vance va...@claflinwildcats.com