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The plastic geogrid is a square or rectangular polymer mesh formed by stretching. According to the different stretching direction during manufacture, it can be unidirectional stretching and bidirectional stretching. It punches holes on polymer sheets (mostly polypropylene or high-density polyethylene) produced by extrusion, and then performs directional stretching under heating conditions. The uniaxially stretched grid is only stretched along the length of the sheet, while the biaxially stretched grid is made by continuing to stretch the unidirectionally stretched grid in the direction perpendicular to its length.
Item
Model |
TGSG15-15
|
TGSG20-20
|
TGSG25-25
|
TGSG30-30
|
TGSG35-35
|
TGSG40-40
|
TGSG45-45
|
TGSG50-50
|
Width, m
|
4.0
|
|||||||
Yield strength KN/m≥
|
12
|
20
|
25
|
30
|
35
|
40
|
45
|
50
|
Longitudinal elongation, %≤
|
15
|
|||||||
Transverse elongation, %≤
|
13
|
|||||||
Strength at 2% elongation, KN/m≥
|
5
|
7
|
9
|
10
|
12
|
14
|
16
|
17.5
|
Strength at 5% elongation, KN/m≥
|
7
|
14
|
17
|
21
|
24
|
28
|
32
|
35
|