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  2. Paper size - Wikipedia

    en.wikipedia.org/wiki/Paper_size

    A non-standard F4 paper size is common in Southeast Asia. It is a transitional size with the shorter side of ISO A4 (210 mm, 8 + 1 ⁄ 4 inch) and the longer side of British Foolscap (13-inch, 330 mm). ISO A4 is exactly 90% the height of F4. This size is sometimes also known as (metric) 'foolscap' or 'folio'.

  3. Wood-free paper - Wikipedia

    en.wikipedia.org/wiki/Wood-free_paper

    Wood-free paper is paper created exclusively from chemical pulp rather than mechanical pulp. [1] Chemical pulp is normally made from pulpwood, but is not considered wood as most of the lignin is removed and separated from the cellulose fibers during processing, whereas mechanical pulp retains most of its wood components and can therefore still be described as wood.

  4. Coated paper - Wikipedia

    en.wikipedia.org/wiki/Coated_paper

    Machine-finished coated paper (MFC) has a basis weight of 48–80 g/m 2.They have good surface properties, high print gloss and adequate sheet stiffness. MFC papers are made of 60–85% groundwood or thermomechanical pulp (TMP) and 15–40% chemical pulp with a total pigment content of 20–30%.

  5. Grammage - Wikipedia

    en.wikipedia.org/wiki/Grammage

    In the metric system, the mass per unit area of all types of paper and paperboard is expressed in terms of grams per square metre (g/m 2). This quantity is commonly called grammage in both English and French , [ 2 ] though printers in most English-speaking countries still refer to the " weight " of paper.

  6. Filter paper - Wikipedia

    en.wikipedia.org/wiki/Filter_paper

    For example, Melitta uses up to 60% of bambus in their filters since 1998. [3] Both bleached and unbleached qualities are made. [1]: 114 Coffee filters are made in different shapes and sizes to fit into different holders. Most notable are the (paper) coffee filter systems introduced by Melitta (1908, 1932, 1936, 1965), Chemex (1941) and Hario ...

  7. Weighing paper - Wikipedia

    en.wikipedia.org/wiki/Weighing_paper

    Weighing paper can be folded into different shape depending on its uses. Origami pouch: Origami pouch is a pocket-like shaped weighing paper that can be usually used for handling powdery, slippery samples.

  8. Tael - Wikipedia

    en.wikipedia.org/wiki/Tael

    In general the silver tael weighed around 40 grams (1.3 ozt). The most common government measure was the Kuping ( 庫平 ; kùpíng ; 'treasury standard') tael, weighing 37.5 grams (1.21 ozt). A common commercial weight, the Caoping ( 漕平 ; cáopíng ; 'canal shipping standard') tael weighed 36.7 grams (1.18 ozt) of marginally less pure silver.

  9. Grain (unit) - Wikipedia

    en.wikipedia.org/wiki/Grain_(unit)

    C-19 [9] One gram is thus approximately equivalent to 15.432 36 grains. [6]: C-13 The unit formerly used by jewellers to measure pearls, diamonds, and other precious stones, called the jeweller's grain or pearl grain, is equal to 1 ⁄ 4 carat (50 mg; 0.77 gr). [5] The grain was also the name of a traditional French unit equal to 53.115 mg. [5]