Each group of the grade of paper is assigned a standard size that all weights are referred to.
What does 140 pound paper mean.
When found in sketchbooks they are usually rougher papers intended as.
Gsm is a consistent number for papers running smaller to larger regardless of paper basis weight.
Heavy weight drawing paper bristol multi media papers.
The thickness of watercolor paper is indicated by its weight measured either in grams per square metre gsm or pounds per ream lb.
Paper less than 356 gsm 260 lb should stretched before use otherwise it s likely to warp.
Bond but is other times referred to as a 50 lb.
Paper weight also known as basis weight is measured in pounds per 500 sheets within it s category.
The weight of these 500 sheets determines the paper s weight.
If 500 sheets of this size weigh 20 lbs then the paper is classified as a 20lb bond.
300 pound paper is like a board.
There are different types weights thicknesses and paper sizes.
As a rule of thumb.
The different types of grades are bond book text cover etc.
Paper help guide understanding the differences in paper weights.
Some of other weights for bond paper are.
For instance regular everyday copy paper is most commonly referred to as a 20 lb.
Weight in this range is similar to card stock or light poster board.
It s fairly stout can be stretched to avoid buckling when wet dries quickly and is medium priced.
It doesn t require stretching costs twice what 140 pound paper costs and takes longer to dry.
140 pound paper is probably the most popular choice.
90 110 lb approx 180 260 gsm.
What does a paper s weight mean.
For example the common office copy paper bond has a standard size of 17 x 22 and this is the size that is weighed for 500 sheets.
Paper is measured in pounds per 500 sheets one ream of paper of a standard size of sheet based on the group or category of papers the grade.
The chart below details the equivalent weights in pounds between paper types as well as notes in the left margin to show when certain types of paper are most appropriate.
If 500 sheets of a standard sheet in a category weights 100 lbs then the paper weight basis weight of that type of paper will be 100 lb.
16lb 24lb 28lb.
Here s a quick list of paper weights including grammage gsm.
The standard machine weights are 190 gsm 90 lb 300 gsm 140 lb 356 gsm 260 lb and 638 gsm 300 lb.