INTRODUCTION
3D spacer fabric construction is a newly developed concept. The fabric surface connected with each other strongly by vertical pile fibers which are interwoven with surfaces.
3D spacer fabric can provide good skin-core debonding resistance, excellent durability and superior integrity. In addition, the interstitial space of the construction can be filled up with foam to provide synergistic support with vertical piles, and be a new sandwich construction composites.
Product Features
3D spacer fabric consists of two bi-directional woven fabric surfaces, which are mechanically connected with vertical woven piles. And two S-shaped piles combine to form a pillar, 8-shaped in warp direction and 1-shaped in weft direction.
Applicable fiber: Glass fiber, Carbon fiber, Basalt fiber, and also Synthetic fiber.
The design of structure parameters including area density, height and distribution density of pillars, are flexible.
The 3D spacer fabric composites have properties of high skin-core debonding resistance, impact resistance, light weight, high stiffness, excellent thermal insulation, acoustic damping, etc.
SPECIFICATION
|
3D Spacer fabric and sandwich construction |
|
Pillar Height |
mm |
3 |
4 |
5 |
6 |
8 |
10 |
12 |
15 |
20 |
|
Warp Density |
end/10cm |
80 |
80 |
80 |
80 |
80 |
80 |
80 |
80 |
80 |
|
Weft Density |
end/10cm |
96 |
96 |
96 |
96 |
96 |
96 |
96 |
96 |
96 |
|
Face density |
3D spacer Fabric |
KG/m2 |
0.86 |
0.96 |
1.01 |
1.08 |
1.12 |
1.24 |
1.37 |
1.52 |
1.72 |
|
Sandwich Construction |
KG/m2 |
1.66 |
1.88 |
1.99 |
2.05 |
2.18 |
2.45 |
2.64 |
2.85 |
3.16 |
|
Flatwise Tensile Strength |
MPa |
8.2 |
7.5 |
7.3 |
7 |
5.1 |
4.0 |
3.2 |
2.1 |
0.9 |
|
Flatwise Compressive Strength |
MPa |
9.2 |
8.2 |
7.5 |
7.3 |
3.8 |
3.3 |
2.5 |
2.0 |
1.2 |
|
Flatwise Conpressive Modulus |
MPa |
25 |
27.4 |
43.1 |
41.1 |
32.5 |
43.4 |
35.1 |
30.1 |
26.3 |
|
Shear Strength |
Warp |
MPa |
3.1 |
2.9 |
2.7 |
2.5 |
1.3 |
0.9 |
0.8 |
0.6 |
0.3 |
|
Weft |
MPa |
6.5 |
6.0 |
4.3 |
4.1 |
2.3 |
1.5 |
1.3 |
1.1 |
0.9 |
|
Shear Modulus |
Warp |
MPa |
7.8 |
7.2 |
7.1 |
6.9 |
5.4 |
4.3 |
2.6 |
2.1 |
1.8 |
|
Weft |
MPa |
9.8 |
9.0 |
8.9 |
8.7 |
8.5 |
7.8 |
4.7 |
4.2 |
3.1 |
|
Bending Stiffness |
Warp |
N¡¤m2 |
0.9 |
1.1 |
1.8 |
1.9 |
3.3 |
9.5 |
13.5 |
21.3 |
32 |
|
weft |
N¡¤m2 |
2.6 |
2.8 |
4.8 |
4.9 |
8.1 |
14.2 |
18.2 |
26.1 |
55.8 |
APPLICATION
Application Procedure
3D spacer fabrics are mainly used in core reinforcement of organic composite. Epoxy, unsaturated polyester resin, phenolic resin, can be used as the matrix. Depend on viscosity and invasive of the resin, the resin content can be controlled usually at 50~60% (weight percentage).
Apply 40% of the resin quantity on the surface of the mould.
Apply the 3D spacer fabric in the resin layer and roll the fabric firmly.
Apply the remained 60% of resin evenly on the top of the fabric, and distribute it evenly by rolling.
Resin completely soaked the fabric. Smooth surface and maximum height are achieved.
Application Range
Wind Energy Industry: nose cone, nacslles cover and blade section
Chemical Industry: double-wall tank, vertical tank
Transportation Industry: Container wall, truck compartment panels.
Rail Traffic: train root, wall, partition doors
Building and Construction Industry: light wall, decorative plates, floors
Boat and Ships Industry: hip deck, cabin siding
Aerospace Industry: light aircraft fuselage, wings
Sewage Treatment Industry: sewage treatment pool cover
