1.Button size lignes (L) or millimeter(mm) for diameter
1 Lignes = 0.635mm 1mm =1/25.4 inch
|
12L=7.62MM=5/16” |
13L=8.26MM=5/16” |
14L=8.89MM=11/32” |
|
15L=9.53MM=3/8” |
16L=10.16MM=13/32” |
17L=10.80MM=7/16” |
|
18L=11.43MM=15/32” |
20L=12.7MM=1/2” |
22L=13.97MM=9/16” |
|
24L=15.24MM=5/8” |
26L=16.51MM=21/32” |
28L=17.78MM=23/32” |
|
30L=19.05MM=3/4” |
32L=20.32MM=13/16” |
34L=21.59MM=27/32” |
|
36L=22.86MM=7/8” |
38L=24.20MM=5/16” |
40L=25.40MM=1” |
|
42L=26.67MM=1-1/25” |
44L=27.94MM=1-3/32” |
48L=30.48MM=1-3/16” |
|
54L=34.29MM=1-5/16” |
60L=38.10MM=1-1/2” |
64L=40.64MM=1-9/16” |
Remark:Measurement of lignes is not exactly 100% equal to mm
2.Correct measurement of buttons
For button size,measure the outer largest diameter
3.Number and unit of buttons
Piece PC.=1PC
Dozen D.=12PCS
GROSS G.=144PCS
GREAT GROSS GG.=.=1728PCS=12G
4.Button classification
|
Natural substance |
Chemical substance |
Other substance |
|
Shell button |
Resin button |
Metal button |
|
Corozo button |
Urea button |
Leather button |
|
Wood button |
Plastic button |
Cloth buckle |
|
Horn button |
Ceramic button |
/ |
5.Standard of finished button
a)The color, pattern and model should be the same as the sample or the product.
b)The pinhole is correct and symmetrical, and the needle distance and pinhole size meet the standard.
c)Luminosity meets the requirement.
d)The button is not cracked and uneven thickness phenomenon.
e)The surface of the button should not be cracked, notched and obvious scratches.
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