| 摘要 |
Disclosed is a halogen-free fire-retardant polyolefin resin composition for a telecommunication cable covering, which includes 50~74 wt % of thermoplastic polyurethane, 1~10 wt % of maleic anhydride grafted styrene-ethylene/butylene-styrene, 5~38 wt % of melamine cyanurate and 2~20 wt % of an organic phosphinate salt, and in which fire retardancy is maintained, whitening or bleeding is prevented and scratch hardness is high, despite the use of a small amount of fire retardant.
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