| Halogenless，Low-fume and Flame-retardant VAMAC Cable Compound Filled with Magnesium Hydroxide |
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| DOI： |
| Key Words: VAMAC；cable；low fume；flame retardant；magnesium hydroxide；zinc stearate |
| Author Name | Affiliation | | Li Yuhua | No.710 Institute，China′s General Shipping Corp. | | Li Chenchen | No.710 Institute，China′s General Shipping Corp. |
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| Abstract: |
| The loading level of the main filler，magnesium hydroxide and its surface treating agent，zinc stearate is the most important in the halogenless，low-fume and flame-retardant VAMAC cable compound，and a special attention should be paid to the curing system. The optimized compounding formula is as follows：VAMAC 100；2，5-dimethyl-2，5-bis（tert-butyl perox）hexane 3.0～3.3；N，N′-m-phenylene bismaleimide and trimethylol propane trimethacry late 0.8～1.0；clay treated with zinc stearate＋LEE slippery white powder 50～60；processing aids 12～14；zinc stearate 1.2～1.4；magnesium hydroxide 43～47；others 6～7. The resultant compound features flame retardant，low-fume and good physical properties. The finished cable has passed GB12666—90 Burning Test and is in accordance with the requirements in IEC 502（1994）。 |
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