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US 11,029,478 B2Granted
Polyethylene resin for use in spacer for optical fiber cable and spacer for optical fiber cable using the same
AssigneeSumitomo Electric Industries, Ltd.
InventorsRyoei Oka, Fumiaki Sato, Kentaro Takeda, Takao Hirama, Taro Fujita, Ken Takahashi
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Abstract
Provided is a polyethylene resin for use in a spacer for an optical fiber cable, the polyethylene resin having a density of 0.952 g/cm3 or more, containing a polyethylene having a molecular weight of 10,000 or less in a weight fraction of 22% or more, and containing a polyethylene having a molecular weight of 300,000 or more in a weight fraction of 12% or more.
Claims1
A spacer for an optical fiber cable, comprising:
- a polyethylene resin having a density of 0.952 g/cm3 or more, the polyethylene resin comprising:
- a polyethylene having a molecular weight of 10,000 or less in a weight fraction of 22% or more, and
- a polyethylene having a molecular weight of 300,000 or more in a weight fraction of 12% or more,
- having a tensile strength of 25 MPa or more, and
- having an average surface roughness of 1.2 μm or less.
2 more elements
Dependencies are inferred from the claim text.