硬脂酸呈白色蜡状透明固体或微黄色蜡状固体，能分散成粉末，微带牛油气味。那么硬脂酸的基本信息您了解多少呢？下面氢氧化钾厂家为您讲解一番。

Stearic acid is a white waxy transparent solid or yellowish waxy solid, which can be dispersed into powder with a slight butter smell. How much do you know about stearic acid? The following potassium hydroxide manufacturer will explain it for you.

为白色或类白色有滑腻感的粉末或结晶性硬块，其剖面有微带光泽的细针状结晶;有类似油脂的微臭，无味。本品在氯仿或乙醚中易溶，在乙醇中溶解，在水中几乎不溶。

It is white or off white slippery powder or crystalline hard block, and its cross-section has fine needle like crystals with slight luster; It has a slight odor similar to oil and is tasteless. This product is easily soluble in chloroform or ether, soluble in ethanol, and almost insoluble in water.

本品的凝点(附录ⅥD)不低于54℃。碘值本品的碘值(附录ⅦH)不大于4。酸值本品的酸值(附录ⅦH)为203~210。硬脂酸易与镁离子和钙离子反应生成硬脂酸镁和硬脂酸钙(白色沉淀)。

The freezing point (Appendix VI d) of this product shall not be lower than 54 ℃. Iodine value the iodine value of this product (Appendix Ⅶ h) is not more than 4. Acid value the acid value of this product (Appendix Ⅶ h) is 203 ~ 210. Stearic acid is easy to react with magnesium ions and calcium ions to form magnesium stearate and calcium stearate (white precipitate).

本品广泛用于化妆品、塑料增塑剂、脱模剂、稳定剂、表面活性剂、橡胶硫化促进剂、防水剂、拋光剂、金属皂、金属矿物浮选剂、软化剂、医药品及其他有机化学品。硬脂酸还可用作油溶性颜料的溶剂、蜡笔调滑剂、蜡纸打光剂、硬脂酸甘油脂的乳化剂等。

This product is widely used in cosmetics, plastic plasticizers, release agents, stabilizers, surfactants, rubber vulcanization accelerators, waterproof agents, polishing agents, metal soaps, metal mineral flotation agents, softeners, pharmaceuticals and other organic chemicals. Stearic acid can also be used as a solvent for oil-soluble pigments, a wax pencil smoothing agent, a wax paper polishing agent, and an emulsifier for stearic glycerides.

硬脂酸还广泛应用于聚氯乙烯塑料管材、板材、型材、薄膜的制造，是聚氯乙烯的热稳定剂，具有很好的润滑性和较好的光、热稳定作用。

Stearic acid is also widely used in the manufacture of PVC plastic pipes, plates, profiles and films. It is a heat stabilizer of PVC and has good lubricity and light and heat stability.

在聚氯乙烯管材中应用，硬脂酸有助于防止加工过程中的“焦化”，在聚氯乙烯薄膜加工中是有效的热稳定剂，同时可以防止暴晒所引起的成品薄膜变色。硬脂酸已成为填充改性母料的润滑、增塑的功能助剂。

In the application of PVC pipes, stearic acid helps to prevent "coking" during processing, is an effective heat stabilizer in the processing of PVC films, and can prevent the discoloration of finished films caused by exposure to the sun. Stearic acid has become a functional additive for lubrication and plasticization of filling modified masterbatch.

硬脂酸可有效的提高无机粉体包覆活化效果，增加物料的流动性，对于无机粉体占份数的物料要求熔体流动速率较大时，适当提高硬脂酸的含量，可明显增加物料的熔体流动速率。

Stearic acid can effectively improve the coating and activation effect of inorganic powder and increase the fluidity of materials. When the melt flow rate of materials with a large proportion of inorganic powder is required, appropriately increasing the content of stearic acid can significantly increase the melt flow rate of materials.

但是，硬脂酸在填充改性母料中的用量也有极限值，一般控制在总质量的1%左右。添加量过大，会引起塑料制品的质量性能下降，还会使塑料制品生产设备的模唇位置等机械装置出现黏糊状物，影响生产效率和产品质量。所以您了解了吗？更多事项就来我们网站http://www.jinhao360.com咨询吧！

However, the amount of stearic acid in the filling modified masterbatch also has a limit value, which is generally controlled at about 1% of the total mass. If the amount of additive is too large, the quality performance of plastic products will decline, and the mechanical devices such as the die lip position of the plastic product production equipment will appear sticky substances, which will affect the production efficiency and product quality. So do you understand? Come to our website for more information http://www.jinhao360.com Consult!