> Jan,

> I might be wrong here, but someone can correct me if I am.

> 16oz (ounces) = 1 lb

> 2.2 lbs=1kg

> so 1oz= 28.4g

> 6oz = 170g per YARD, but it is probably 200g per m? Does that sound right?

> Paul

Paul, your math and conversions are correct. If you convert sq. meters to sq. yards, then 6oz/sq. yd. glass would be 203.+ grams/sq. meter. I think the reference to 600 gram was for example, since that would be 16 or 17 oz/sq. yd. glass. That's assuming the glass wieghts are for sq. yards, not running yards for a given roll width.