2014年3月19日 — 1 lb. of Cover paper = 2.708 gsm. Multiply each pound of cover paper by 2.708. Solid Bleached Sulfate (SBS). Bleached paperboard or solid...
lbs to gsm: 60 lb text stock multiplied by 1.5 = 90 gsm. However 90 gsm is not standard, so the closest paper conversion is 100 grams per square meter stock.
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