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3D Spacer Fabric
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3D Spacer Fabric
  3D Spacer Fabric
 
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

Nm2

0.9

1.1

1.8

1.9

3.3

9.5

13.5

21.3

32

weft

Nm2

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
 
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Tel: 0086-551-63506210, 0086-551-63506174 Fax: 0086-551-63506644
Email: jasonwang@changyiinternational.com