It is woven from E glass yarn and consists of two surfac(deck) layers connected together by vertical links(piles).These links are woven together with the surface layers thus forming an integrated sandwich sructure.When a thermoset resin such as ployester or epoxy is added to the 3D glass fabric and lightly rolled,the surface fabric is impregnated with the resin.Capillary action also wets out the connecting links,so that when the fabric rebounds to its full height a hollow core is formed(much like the tree trunks in a forest).This one-step process forms a sandwich laminate that offers excellent strength,stiffness,light weight and durability.
During impregnation the fabric is compressed but immediately rebounds to its original height,resulting in a lightweight sandwich laminate.This sandwich laminateforms the basis of the most technology-advanced applications.The integral sandwich concept in which core and faces are integrated to build sandwich laminates from 3 to 22 mm.
FEATURES:
Light weight, High stiffness
Simple and effective lamination process
Outstanding performance in resistance to delamination
Easy to make an angle curve
Hollow structure
High design-versatility
APPLICATIONS:
Double wall storage tanks, chemical storage tanks, aircraft, railway, automotive, decorative wall panels, billboard, industrial roofing and various applications in different fields.
Technical Data Sheet |
| Fabric type |
|
|
|
E3P |
E5P |
E8P |
E10P |
E12P |
E15P |
E18P |
E22P |
| Thickness |
| Core |
|
mm |
|
3.0 |
5.0 |
8.0 |
10.0 |
12.0 |
15.0 |
18.0 |
22.0 |
| Face |
|
mm |
|
0.4 |
0.4 |
0.4 |
0.6 |
0.6 |
0.6 |
0.6 |
0.6 |
| Weight |
| Fabric |
|
kg/m2 |
|
0.78 |
0.83 |
0.92 |
1.34 |
1.42 |
1.51 |
1.58 |
1.74 |
| Laminate |
|
kg/m2 |
|
1.65 |
1.76 |
1.95 |
2.84 |
3.01 |
3.20 |
3.35 |
3.60 |
| Mechanical properties |
| Compressive strength |
ASTM 365 |
N/mm2 |
Average |
11.2 |
3.04 |
2.25 |
1.01 |
0.941 |
0.871 |
0.527 |
0.421 |
| Shear strength |
ASTM 273 |
N/mm2 |
Average |
4.65 |
1.35 |
1.42 |
0.352 |
0.338 |
0.249 |
0.188 |
0.161 |
| Bending strength |
ASTM 393 |
N/mm2 |
Average |
144 |
89.8 |
71.7 |
47.4 |
40.2 |
21.7 |
18.5 |
16.8 |
| Thermal property |
| Thermal conductivity |
GB/T10294-1988 |
W/(m.k) |
|
0.07 |
0.07 |
0.07 |
0.08 |
0.08 |
0.08 |
0.08 |
0.08 |
NOTE: The technical parameters are attained on the condition that the ratio of 3D perform to designated resin is 1:1.1, what's more, resins with different species, brand and different dosages makes a difference to the final mechanical properties. The mechanical performance in weft direction is better than those in warp direction.
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