Methyl-Phenyl-Siloxane（甲基苯基硅氧烷）是一类核心侧链含甲基与苯基的有机硅化合物，既可以指单体、环体，也常指代其聚合得到的聚甲基苯基硅氧烷（PMPS）类高分子材料，是特种有机硅领域的关键基础原料

, always pay off and guarantee excellent vacuum performance. The best final pressures and the best fore-vacuum stability are guaranteed, as well as no backflow into the process chamber. Due to our 30 years of experience in high vacuum technology, we know what is important and therefore rely on the highest quality of our products. You should also choose our quality products, as the cost of the oil is insignificant in the total cost of ownership. At the same time, we are continuously working on cost-cutting programs and are proud to be able to offer you a good price-performance ratio with our high-quality products.。 基础核心信息 常见形态：涵盖单体甲基苯基硅烷、甲基苯基环硅氧烷环体，以及聚合得到的聚甲基苯基硅氧烷高分子、甲基苯基硅橡胶等不同类型产品 典型CAS号：聚合物形态为9005-12-3，常见环体甲基苯基环三硅氧烷为546-45-2 核心结构特征：硅氧主链上同时连接甲基与苯基侧基，苯基的引入打破了聚二甲基硅氧烷的分子链规整性  关键理化性能 耐高低温：低苯基型可在-100℃下保持弹性，整体耐温区间覆盖-100℃至250℃ 耐辐射性：高苯基含量产品可耐受2.58×10⁴ C/kg的γ射线辐射，远优于普通二甲基硅橡胶 热稳定性：作为改性组分加入环氧树脂后，可显著提升材料高温热降解稳定性与800℃残炭率 疏水特性：经其改性的气相白炭黑具备优异的疏水性与化学惰性 阻尼性能：苯基侧基赋予材料优异的宽温域高阻尼特性，搭配石墨烯填料可进一步强化阻尼效果