The results showed that the thermal aging properties of NR tube improved significantly by reducing the sulfurlevel.
试验表明，减少硫黄用量对改善NR内胎耐热老化性能的作用十分明显。
2
The influence of sulfurlevel on the properties of trans 1, 4 polyisoprene (TPI) after the transition from plastic polymer to elastic polymer was investigated.
研究了硫黄用量对反式1,4聚异戊二烯(TPI)由塑性高聚物转变为弹性高聚物后性能的影响。
3
The utility model discloses a rotary drum type sulfur flaker, comprising a drum, a cooling water passage, a sulfurlevel controller, an air exhausting hood, a liquor sulfur pot and a shaver welded.