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What does OPSY stand for?

OPSY stands for Ounces Per Square Yard (fabrics)

This definition appears rarely and is found in the following Acronym Finder categories:

  • Science, medicine, engineering, etc.

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Samples in periodicals archive:

Nitrogen should be applied in mid-spring when growth is strong, sulphate of potash in alternate springs, both at the rate of one and a half ounces per square yard.
The company's capabilities include the production of webs from 6 mm to 50 mm thick with weights ranging from 10 ounces per square yard to more than 50 ounces per square yard.
And, said David Roshberg, president of Louisville Bedding, mattress pads typically have 16 ounces per square yard of fill, compared with 12 ounces a year ago.
Dig the area thoroughly and about a week before planting, scatter fish, blood and bone fertiliser at around two ounces per square yard.
If the soil is strongly acid (below pH 5), apply a top dressing of calcium carbonate (ground chalk or ground limestone) during winter at the rate of two ounces per square yard on light sandy soils and four ounces on heavy soils.