Automotive soundproofing material and wire harness assembly

1. A wire harness assembly comprising:

an automotive soundproofing material including:

a flexible-porous body; and

a sheet-shaped body, with the flexible-porous body and the sheet-shaped body in a multi-layered structure; and

a wire harness arranged in order of the flexible-porous body, the wire harness and the sheet-shaped body,

wherein a portion of the sheet-shaped body where the wire harness is avoided to be arranged is comprised of a plurality of through holes formed therethrough,

wherein an aperture ratio of the sheet-shaped body ranges from 3% to 40%.

2. The wire harness assembly according to claim 1 , wherein a surface of the flexible-porous body on a side of the sheet-shaped body is provided with a recess in which the wire harness is to be routed.

3. The wire harness assembly according to claim 1 , wherein the sheet-shaped body is made of vinyl chloride resin, polyethylene, polypropylene, polystyrene or elastomers.

4. The wire harness assembly according to claim 1 , wherein a diameter of each through hole when circularly formed, and/or an equivalent circle diameter of each through hole when not circularly formed ranges from 2.5 mm to 10 mm.

5. The wire harness assembly according to claim 1 , wherein a distance between adjacent two through holes ranges from 10 mm to 18 mm.

6. The wire harness assembly according to claim 1 , wherein the flexible-porous body and the sheet-shaped body is thermal-fusion bonded to each other.

7. The wire harness assembly according to claim 1 , wherein the wire harness is directly contacting both the flexible-porous body and the sheet-shaped body.