A, press

Size (that is, diameter size) is what we often call 14#, 16#, 18#, 20#, 60# and so on. Its formula is: diameter = model *0.635 (mm).

If we have a button in hand, but we do not know its size, we can use caliper to measure its diameter (millimeter) and divide it by 0.635.

B, according to the material: natural categories: genuine buckles, coconut buckles, wooden buttons.

Chemical industry: Organic button, resin buckle, plastic button, combination button, urea button, spray paint button, electroplating button and so on.

Others: Chinese knot, four buckle, metal button, ox horn button, imitation leather button, laser letter button, vibrant buckle, etc.

C, in the resin buckle, from the billet can be divided into: buckle buckle: Pearl buckle, pattern buttons, ordinary bars and so on.

Plate buckle: pearlescent corrugated plate (including false ripple, true ripple), pearlescent plate, stripe plate, monochromatic plate.

Manhattan: multicolored buttons and monochromatic buttons.

D, from

Cent: dark eye button: generally on the back of the button, perforated through the button.

Open eye button: straight through buttons, usually with four eye buttons and two eye buttons (but there are special cases).

E, from the photometric analysis: light button, half light button, no light button (under special circumstances, according to the requirements of customers polished) can not adapt to the requirements of the roller roller cotton inspection, and the standard development standard for the priority development industry in the open area and the intensive industrial project construction land, according to the land auction price, 10%~30%, so the roller cotton still retain the grade index and its inspection method.

Taking into account the retention of grade and color quality indicators in a standard, it is not conducive to abolishing grades.

F, according to the shape: there are tens of millions of species. No one has a unified title. Your family says the same. My family says the same, vinyl acetate copolymer, polymer materials.

It is commonly used in jogging, slow walking, casual shoes and midsole training.

Import fabric is subsidiary.

Fabric production in the mainland according to loom equipment

There are shuttle, shuttle, knitted and non-woven fabrics. According to the fiber, there are all cotton, cotton blended and purified fiber fabrics. There is no general standard for international standard or national standard or industry standard.