AC Cover measured in weights. For example GBC’s linen weave paper covers are crafted from lb cover inventory. This dimension is the real weight of grasp sheets x in size for cover stocks. Depending at the type of paper you’re using the burden is based on distinct grasp sheet sizes making it very difficult to examine weights of bond paper with offset paper or index inventory with cover inventory. However to provide you an idea lb cowl stock is about equal to .Five Mils lb cover inventory is about equivalent

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