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2017-05-22 16:31:05 Zhuhai Hamah Industrial Co., Ltd. Read

Let's End the Confusion


Hamah


In an effort to help eliminate the "Paper Weight" confusion problem,
we have compiled the comprehensive table listed below.
Now you can compare various types of paper and their "Equivalent Weights."



Definitions:


  • Basis Weight
    The basis weight of a paper is the designated fixed weight of 500 sheets,
    measured in pounds, in that paper's basic sheet size.
    It is important to note that the "basic sheet size" is not the same
    for all types of paper.

  • Caliper
    Caliper refers to the thickness of a sheet of paper expressed
    in thousandth of an inch. This measurement is taken with a micro meter.
    Normally, paper caliper should not have more than a + or - 5% variance
    within a sheet. Generally, the relation between caliper and basis weight ....
    the greater the caliper (the thicker the paper), the greater the paper weight.

  • Equivalent Weight
    While different paper types have different basic sizes,
    papers can still be compared by using equivalent weight.

  • POINTS
    Every POINT=.001 inch
    For Example: 10 pt card = .010in.


  • Basis Weight ("Category") Table


    Type Paper
    Basic Size - 500 Sheets

    "Bond"
    Ledger
    Mimeo
    Duplicator
    Rag Paper
    17" x 22"

    "Offset"
    Book
    Text
    Coated Paper
    25" x 38"

    "Cover"
    20" x 26"

    "Tag Stock"
    24" x 36"

    "Index"
    25-1/2" x 30-1/2"


    The Values in the table below are intended to serve as a guide only.
    They should not be used as specifications because there are variances
    within the same basis weight due to other characteristics of the papers.
    Similar weight papers may vary between different paper manufacturers.




    --
    Bond
    Ledger

    -
    Offset
    Text

    -
    Cover
    -

    --
    Tag
    --

    -
    Index
    -

    -
    Points
    -

    -
    *Caliper
    (inches)

    --
    millimeters
    --

    -
    Metric
    (grams/sq meter)

    Equivalent
    16
    40
    22
    37
    33
    3.2
    .0032
    0.081
    60.2 gsm
    Weight
    18
    45
    24
    41
    37
    3.6
    .0036
    0.092
    67.72 gsm

    20
    50
    28
    46
    42
    3.8
    .0038
    0.097
    75.2 gsm

    24
    60
    33
    56
    50
    4.8
    .0048
    0.12
    90.3 gsm

    28
    70
    39
    64
    58
    5.8
    .0058
    0.147
    105.35 gsm

    29
    73
    40
    62
    60
    6
    .0060
    0.152
    109.11 gsm

    31
    81
    45
    73
    66
    6.1
    .0061
    0.155
    116.63 gsm

    32


    74
    67



    120 gsm

    35
    90
    48
    80
    74
    6.2
    .0062
    0.157
    131.68 gsm

    36
    90
    50
    82
    75
    6.8
    .0068
    0.173
    135.45 gsm

    39
    100
    54
    90
    81
    7.2
    .0072
    0.183
    146.73 gsm











    40
    100
    56
    93
    83
    7.3
    .0073
    0.185
    150.5 gsm

    43
    110
    60
    100
    90
    7.4
    .0074
    0.188
    161.78 gsm

    44
    110
    61
    102
    92
    7.6
    .0076
    0.193
    165.55 gsm

    47
    120
    65
    108
    97
    8
    .0078
    0.198
    176.83 gsm

    53
    135
    74
    122
    110
    9
    .0085
    0.216
    199.41 gsm

    54
    137
    75
    125
    113
    9
    .009
    0.229
    203.17 gsm

    58
    146
    80
    134
    120
    9.5
    .0092
    0.234
    218.22 gsm

    65
    165
    90
    150
    135
    10
    .0095
    0.241
    244.56 gsm

    67
    170
    93
    156
    140
    10.5
    .010
    0.25
    252.08 gsm

    72
    183
    100
    166
    150
    11
    .011
    0.289
    270.9 gsm

    76
    192
    105
    175
    158
    13
    .013
    0.33
    285.95 gsm

    82
    208
    114
    189
    170
    14
    .014
    0.356
    308.52 gsm

    87
    220
    120
    200
    180
    15
    .015
    0.38
    312 gsm

    105
    267
    146
    244
    220
    18
    .0175
    0.445
    385.06 gsm


  • The darker colored boxes above represent the
    "most common paper weights" for that category.


  • Normal paper manufacturing tolerance within a
    paper production run is + or - 5% to 7% caliper


  • This Table was compiled by Micro Format, Inc.

  • Copyright 1997-2005 Micro Format, Inc.

    This table may be duplicated with permission from Micro Format, Inc.



  • Hamah <a href="http://yaplink.com/ofxt/rvpu;nbjmup:?tvckfdu=B mjol up&rvpu" paper="" weights="" ~="" elimiante="" the="" confusion"="" from="" a="" friend&body="http://www.paper-paper.com/weight.html"" class="small" style="font-family: "Microsoft YaHei"; font-size: medium; white-space: normal; background-color: rgb(231, 231, 231);">Send this page to a friend


    International Metric Paper Sizes - ISO Standard


    SIZE
    WIDTH (mm)
    HEIGHT (mm)
    WIDTH (in.)
    HEIGHT(in.)
    A0
    841 mm
    1,189 mm
    33.11 in.
    46.81 in.
    A1
    594 mm
    841 mm
    23.39 in.
    33.11 in.
    A2
    420 mm
    594 mm
    16.54 in.
    23.39 in.
    A3
    297 mm
    420 mm
    11.69 in.
    16.54 in.
    A4
    210 mm
    297 mm
    8.27 in.
    11.69 in.
    A5
    148 mm
    210 mm
    5.83 in.
    8.27 in.
    A6
    105 mm
    148 mm
    4.13 in.
    5.83 in.
    A7
    74 mm
    105 mm
    2.91 in.
    4.13 in.
    B0
    1,028 mm
    1,456 mm
    40.48 in.
    57.32 in.
    B1
    728 mm
    1,028 mm
    28.66 in.
    40.48 in.
    B2
    514 mm
    728 mm
    20.24 in.
    28.66
    B3
    364 mm
    514 mm
    14.33 in.
    20.24 in.
    B4
    257 mm
    364 mm
    10.12 in.
    14.33 in.
    B5
    182 mm
    257 mm
    7.17 in.
    10.12 in.
    B6
    128 mm
    182 mm
    5.04 in.
    7.17 in.




    Hamah



    HELPFUL GUIDELINES for PAPER USAGE

  • Prior to use, paper should be allowed to acclimate at least
    48 Hours in the environment in which it will be used.
    Optimum storage facility would retain temperatures between 70-80 degrees F
    with 50% relative humidity.


  • Before loading paper, fan the sheets on all four sides.
    This creates a small layer of air between the sheets which should help
    printer feeding mechanisms.


  • Do Not Stack Materials such as Designer Gold, Designer Silver,
    Super Color Gloss, Super Color Photo, Super Color Photo Cards,
    Super Color Shrink. Feed into printer one sheet at a time.


  • Load Materials according to the instructions in the
    printer owner's manual.
    Recommended feeding is generally to use the manual feed tray,

     or the straightest path through the printer.


  • Upon Completion, the unused material should be stored in a
    closed package, re-sealed and stored flat.




  • HighSecurityPaper
    Document Security Paper and Features

    FEATURES & PRODUCTS GRID
    Click for
    Click for Products and Features Grid

    HighSecurityPaper.com




    Glossary of Paper Terms
  • Acid Free Paper
    Paper manufactured to a neutral pH reading (7).
    Used for fine art prints, limited edition printing, scrapbooking


  • Antique Finish
    Random surface quality created by "felts" in the manufacturing process


  • Brightness
    Light reflecting property of paper when measured under a specially calibrated blue light.


  • Basis Weight
    The weight of one ream of paper (500 sheets) when cut to the industry standard for that specific grade of paper.


  • Bristols
    Solid or laminated heavy-weight printing paper made to a thickness of .006" or higher. Bristols are often used for printed items that require repeated handling.


  • Bulk
    The thickness of paper when compared to its weight. A high bulk paper is thicker but less compact than a low-bulk paper of the same weight and size.


  • Calendering
    Part of the paper manufacturing process where the paper "web" passes between polished metal rolls. This increases the paper's smoothness and provides a uniform thickness (caliper).



  • Thermal Paper ~ Shelf Life - Storage
    Thermal Paper Information as supplied to us by Appleton Papers.


    Unit Conversion Calculator Tool
    Hamah

    Web based Unit Conversion Calculator Tool that allows conversion of units in 20+ categories such as
    Weight, Heat and Temperature, Pressure, Volume, Area, Density, Time, Speed, Velocity, Force, Angle, Power, Energy, Frequency, Computer, 
    Electric Current, Electric Capacitance, Illuminance, Luminance, Cooking, Shoe Sizes, Currency Converter, Calender Converter etc.



    Educational Material

    Click to Enter
    This fascinating site reveals the traditional methods of making various types of prints. We think you'll find this information interesting.
    Visit this site. What's A Print?


    Additional Definitions of Standard Paper Terminology and Abbreviations



    Bond 
    Uncoated "plain" paper - free from impurities.
    Also referred to as "free sheet." 
    Recycled 
    Paper manufactured from the waste paper stream.
    All Micro Format recycled products contain a minimum of
    100% recycled material including 40% post consumer waste 
    Waste Paper Stream 
    Waste paper created during the paper manufacturing process 
    Post Consumer Waste 
    Processed Paper that has been re-used in manufacturing new paper products  
    Carbonless 
    Paper coated with special encapsulated chemicals that produce
    a duplicate copy without the use of carbon paper 
    Thermal 
    A paper coated with special chemicals that produce
    an image when heat is applied 
    Groundwood 
    A low cost paper that contains unprocessed wood fibers. 
    Symbol "#" 
    "pound" - used to describe paper weight
    Click for additional information on PAPER WEIGHT  
    Symbol "M" 
    Meter - 1 meter=39.37 inches 
    Symbol "mm" 
    Millimeter - 1 inch=25.4 millimeters 
    Symbol "sc" 
    Self Contained Paper
    paper that can be imaged in a printer without the use of a ribbon  
    Symbol "cb"  
    Coated Back - Carbonless Paper (part 1) 
    Symbol "cfb"  
    Coated Front and Back - Carbonless Paper
    internal part in a multipul part form 
    Symbol "cf" 
    Coated Front - Carbonless Paper (last part in set) 
    Symbol "sccb" 
    Self Contained sheet with carbonless coating on back
    normally used as part one in a multi part set in an impact printer
    using no ribbon 
    Symbol "sccb/cf" 
    Carbonless set - Self Contained Coated Back Sheet Part 1
    Coated Front Sheet Part 2 
    Symbol "w" 
    Paper Color - White 
    Symbol "c" 
    Paper Color - Canary 
    Symbol "p" 
    Paper Color - Pink 
    Symbol "g" 
    Paper Color - Green 
    Symbol "b" 
    Paper Color - Blue 



    ADDITIONAL COVERSION TABLES


    How to Convert to Metric

    Length and Distance

    When you knowMultiply byTo Findinches2.54centimetersfeet30.480centimetersmiles1.609kilometerscentimeters0.394inchesmeters1.094yardskilometers0.621miles 


    Weight
    When you knowMultiply byTo Findpounds0.454kilogramstons0.907metric tonskilograms2.205poundsmetric tons1.202tons 

    Decimal Equivalents


    1/64=0.0156251/16=0.06251/8=0.1253/16=0.18751/4=0.255/16=0.31253/8=0.3757/16=0.43751/2=0.59/16=0.56255/8=0.62511/16=0.68753/4=0.7513/16=0.81257/8=0.87515/16=0.93751=1.0


    Temperature
    When you knowDo ThisTo FinddegreesFahrenheitSubtract 32multiply by 5/9degreesCelsiusdegreesCelsiusMultiply by 9/5then add 32degreesFahrenheit 
    Surface or Area
    When you knowMultiply byTo Findsquare feet0.093square meterssquare miles2.590square kilometerssquare centimeters0.155square inchessquare kilometers0.386square miles


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