硅油表面张力

硅油表面张力
201二甲基硅油，化学名称聚二甲基硅氧烷，分子式是：
　　(CH3)3SｉO[（CH3）2SｉO]ｎ-Sｉ（CH3）3,
　　本品是一种无色透明的新型合成高分子材料，有多种不同的粘度（5cps～200万cps）,从极易流动的液体到稠厚的半固态物。本品具有特殊的滑爽性、柔软性、憎水性，良好的化学稳定性、优异的电绝缘性和耐高低温性。闪点高、凝固点低，可在-50℃～+200℃下长期使用，粘温系数小、压缩率大，表面张力低，憎水防潮性好，比热导热系数小。
 
[技术指标]
 
[用途]
　　由于本品所具有的特殊的、优异的物理化学性能，因而具有广泛的用途，可以应用于多种不同的行业，主要有：
　　1．日化行业用于护肤膏霜、沐浴液、洗发水等多种化妆品配方，具有优异的柔软效果和丝滑手感。
　　2．橡胶、塑料、乳胶、聚氨酯、轻工等行业：用作某些橡胶、塑料、乳胶、聚氨酯制品及工艺品等生产时的脱模剂、隔离剂、光亮剂。
　　3．机械、汽车、仪表、电子电器及其他行业用作高档润滑油、液体弹簧、切削液、缓冲器油、变压器油、高低温制动油、刹车油、仪表减震油、框架造型脱模剂等。
　　4．纺织、服装行业用作柔软剂、憎水剂、手感改进剂、缝制线的润滑、化纤喷丝板润滑及服装压衬助剂等。
　　5．皮革及皮革化工行业将本品加入其他助剂，可用作柔软剂、憎水剂、手感剂、消泡剂、光亮剂等。
　　6．医药、食品、化工、涂料、建材行业用作消泡剂、润滑剂、耐候性涂料等。
　　7．用于其他特定用途，或与其他材料共聚生成新材料。
[用法用量] 
　　根据具体的应用对象和应用环境而定，用量从几个PPM直至１００％不等。

[注意事项]　　
与高浓度强酸或强碱物质及路易斯酸接触有降解挥发的倾向，温度越高反应越明显。低浓度强酸或强碱与之接触或在高温长时间作用下有粘度变大直至交联的倾向。

[包装与贮运]
1．本品用50㎏聚乙烯塑料桶或200㎏铁桶包装。
　　2．本品应于常温下密闭贮存于干燥通风处，避免与酸、碱类物质接触，
　　3．按非危险物品贮存、运输。
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