Overview
Tin stearate is an organotin compound that serves as an important additive in polymer processing. As a metal soap, it combines the properties of tin with stearic acid, creating a versatile material with multiple industrial functions. The compound has been widely used since the mid-20th century, particularly in the plastics industry where it helps prevent thermal degradation during processing. In industrial applications, tin stearate is valued for its dual functionality as both a heat stabilizer and lubricant. Its effectiveness in PVC stabilization makes it a preferred choice for manufacturers seeking to maintain product quality during high-temperature processing while ensuring smooth material flow.
Physical and Chemical Properties
Tin stearate presents as a fine, white to slightly yellowish powder with characteristic fatty acid odor. The material demonstrates excellent thermal stability within typical polymer processing temperature ranges (160-200°C), making it particularly suitable for PVC applications. Its molecular structure features tin ions coordinated with stearate anions, providing both metal-based stabilization and lubrication properties. Chemically, tin stearate is relatively stable under normal conditions but may decompose when exposed to strong acids or oxidizers. The compound shows negligible water solubility but dissolves readily in many organic solvents including toluene and chloroform. These properties influence both its performance in applications and handling requirements during industrial use.
Main Applications
The primary application of tin stearate is as a heat stabilizer in rigid and flexible PVC products, including pipes, cables, and flooring materials. It works by scavenging hydrochloric acid released during PVC degradation, thereby preventing autocatalytic breakdown of the polymer chain. The compound is often used in combination with other stabilizers to achieve optimal performance. Additional applications include use as a lubricant in plastic processing, where it reduces friction between polymer particles and processing equipment. In rubber manufacturing, tin stearate serves as a dispersing agent and processing aid. Some specialty applications utilize its properties in coatings and as a catalyst in certain chemical reactions.
Safety and Storage
While tin stearate is generally considered low-toxicity, appropriate safety measures should be followed during handling. Workers should avoid inhalation of dust and use proper personal protective equipment including dust masks and gloves. The material is not classified as hazardous under normal conditions of use but may cause mild irritation upon prolonged contact. For storage, keep containers tightly sealed in a cool, dry, well-ventilated area away from strong oxidizers and moisture. Bulk storage should utilize moisture-resistant packaging to prevent caking. Shelf life typically exceeds two years when stored properly. Spills should be cleaned with inert absorbent materials and disposed of according to local regulations.
B2B Procurement Guide
Industrial buyers should specify technical requirements including purity (typically 95-98%), tin content, and acid value when procuring tin stearate. Reputable suppliers should provide comprehensive documentation including Certificate of Analysis, Safety Data Sheets, and technical specifications. Quality verification may include testing for melting point, ash content, and heavy metal impurities. For cost optimization, consider bulk purchases (typically 25kg bags or larger containers) and evaluate supplier capabilities for consistent quality across batches. Technical support availability and the supplier's experience with polymer applications can be valuable differentiators. Lead times may vary based on market conditions, so maintaining appropriate inventory levels is recommended.
Related Manufacturers
- 主营：回收聚醚多元醇、回收热熔胶、回收石蜡、回收硫酸亚锡、回收香精、回收化工原料、回收日化原料、回收化妆品原料、回收塑料助剂、回收过期油墨、回收过期油漆、回收胶印油墨、回收树脂、回收聚氨酯黑白料、回收异氰酸酯、回收MDI、回收三氧化二锑、回收氧化锌、回收抗氧剂、回收钛白粉、回收船舶油漆、回收防污漆、回收荧光增白剂、回收二甲基硅油、回收二甲基亚砜
- 主营：回收钛白粉、回收硫酸铜、回收锌粉、回收氯化亚锡、回收硫酸亚锡、回收油漆、回收石蜡、回收己内酰胺、回收水银、回收丙烯酸树脂、回收氧化锌、回收溶剂、回收碳酸锂、回收碳酸钾、回收氢氧化锂、回收氢氧化钠、回收氢氧化钾、回收硼酸、回收硼砂、回收煤焦油、回收烧火油、回收环氧树脂、回收过期油漆、回收白砂糖、回收柠檬酸
- 主营：离子液体、5-二甲基吡唑、TS-钛硅分子筛、湖北硬脂酸锡、丙酮缩氨基硫脲、硫酸烟酰苯胺
- 主营：硬脂酸锡多少钱、分析纯试剂
- 主营：乙醇钾、烯丙基碘、异戊酰氯、硬脂酸锡、癸二酰氯、偏钒酸钾、丙二酰氯、糠基硫醇、硫代乳酸、1-乙基哌啶、n-丁基苯胺、2-环己烯酮、2-乙基吡啶、4-乙基吡啶、4-碘硝基苯、3-碘硝基苯、二丙基硫醚、碘代仲丁烷、间硝基苯胺、硫氰酸苄酯、硫氰酸甲酯、分析纯试剂、环氧溴丙烷、乙酸间甲苯酯、氯仿酸氯甲酯、重氮乙酸乙酯
- 主营：棕榈酸、乙酸铋、异喹啉、胶粘剂、丙烯酸酯、化学试剂、分析试剂、透明液体、二乙二醇、光引发剂、岩白菜素、对甲苯磺酸、苯甲酸苄酯、偏苯三酸酐、六氟异丙醇、纳米氧化铽、六氟磷酸铯、表面活性剂、蓖麻醇酸锌、乙基纤维素、荧光指示剂、2-乙二硫醇、4-二氟苄溴|、丙烯酸羟乙酯、3-丙烷磺内酯
- 主营：碘化钾、剂原料、王浆酸、硬脂酸锡、肉桂酸、特戊醛、氰酸钠、己二酸、黄原胶、麝香105、还原红41、辛酸乙酯、油胺原料、柠檬酸钠、癸醛原料、化工原料、丙酸苄酯、甲基磺酸、异丙碘胺、双盐酸肼、碘类原料、有机化工、胍基乙酸、环保原料、防腐原料、苦精原料
- 主营：硫酸烟酰苯胺、聚苯胺、硫酸阿托品、硬脂酸锡、表面活性剂、光引发剂、离子液体、乙基纤维素、缓蚀剂、OB酸、N-油酰肌氨酸
- 主营：硫酸铝、硫酸铁、除草剂、硬脂酸锡、芥花籽油、全氟萘烷、桂花精油、乳清酸锂、分析试剂、无色液体、香精香料、农药中间体、淡黄色液体、巯基乙酸钙、化工催化剂、乙酰基六肽、医药中间体、表面活性剂、香料化合物、草酸二水合物、三硫代碳酸钠、二硫氰基甲烷、甲基天冬氨酸、精胺四盐酸盐、苯乙烯化苯酚、硫脲类促进剂
- 主营：硬脂酸锡、聚塞氯铵、硅烷偶联剂
- 主营：科研试剂、n-甲基吡咯烷酮
- 主营：化学试剂、日用化工品、医药中间体、硬脂酸锡、生化试剂、过渡金属、高端材料
- 主营：正己醇、福淋酚、十二烷酸、硬脂酸锡分析纯、氨基甲醛、正十一烷、化学试剂、氧化苄基、月桂氮酮、2-乙基己醇、丙烷二羧酸、辛癸混合酸、肌醇六磷酸分析
- 主营：硬脂酸锡GR、分析纯试剂、化学实验检测
- 主营：化学试剂、中间体、表面活性剂、硬脂酸锡、标准溶液、催化剂、阻燃剂、抗氧剂、促进剂、树脂、分析试剂、医药