1, corrugated board classification
1.1: Classification by 楞 type: A, C, B, E and their combinations, such as: AB 楞, BC 楞, BBC 楞 and so on. There have been even more fine-tuning operations on the market.
1.2: Classification according to the number of original paper layers: two-layer cardboard, three-layer cardboard, four-layer cardboard, five-layer paperboard, seven-layer cardboard, etc.;
1.3: Classification by U-shaped: U-shaped, V-shaped, UV-shaped; Universal UV-shaped in the market;
1.4: Corrugated performance comparison:
楞 type 楞 high 楞 several / 300mm reduction ratio pressure intensity side pressure strength
A 4.5-5.0 34+2 1.55 4 1
C 3.5-4.0 38+2 1.47 3 2
B 2.5-3.0 50+2 1.36 2 3
E 1.1-2.0 96+2 1.26 1 4
1.5: Wax show:
C楞B楞A楞
1.6: Others:
Corrugated: Flute; single corrugated cardboard (also known as three cardboard): single wall; double corrugated cardboard (also known as five cardboard): double wall; three-layer corrugated cardboard: triple wall;
2, corrugated board production process bridge connection
2.1: Single-sided machine working principle (positive pressure single-sided machine):
2.2: Overview of the principle: The corrugated paper is formed by the upper and lower corrugating rollers, pasted on the pasting roller, the faced paper and the formed corrugated paper are pasted on the pressure roller and the upper corrugating roller at the tangent line to form a two-layer corrugated cardboard, and then transferred. The bridge on the belt to the double-sided machine is combined with other single corrugated cardboard and facial paper.
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100PCS 11.5 G DICE Poker Chips SETS with paper box
Item | Customised Logo Hologram Sticker Casino ABS and Metal Slug poker Chips |
Component |
|
Size |
Diameter: 40mm; thickness 3mm |
Material |
ABS+IRON |
Weight |
11.5g |
Color | Red, Green, Black, Blue, white in stock |
Custom Poker Chips,Clay Chips Set,Sticker Clay Chips,Clay Poker Chips Custom
Hangzhou Wonderlandtoys Co., Ltd , https://www.wonderlandtoyscn.com