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Stearic acid, chemical formula C18H36O2, molecular weight 284.48, is a compound, octadecanoic acid. Produced by the hydrolysis of oil, mainly for the production of stearate.
Stearic acid is a kind of fatty acid widely existing in nature, almost all fats have varying levels of stearic acid, and the content of stearic acid is higher in animal fats, such as the content of butter can reach 24%, the content of vegetable oil is less, tea oil is 0.8%, palm oil is 6%, but the content of cocoa butter is as high as 34%. The main production methods of industrial stearic acid are fractionation and pressing. The decomposition agent is added to the hardened oil, and then the crude fatty acid is hydrolyzed, and then the finished product is obtained by washing, distillation and decolorization. Glycerol is produced as a by-product.
Widely used in cosmetics, plastic cold-resistant plasticizer, release agent, stabilizer, surfactant, rubber vulcanization accelerator, water repellent, polish, metal soap, metal mineral flotation agent, softener, medicine and other organic chemicals.
In addition, it can also be used as solvent for oil soluble pigments, crayon smoothing agent, wax paper polishing agent, emulsifier of stearate glycerin, etc.
The product is used in the food industry as a lubricant, defoamer and food additives stearate glycerin, stearate sorbitan anhydride ester, sucrose ester and other raw materials. Used as auxiliary raw materials and raw materials for daily chemical products.
Stearic acid is widely used in the manufacture of PVC plastic pipes, plates, profiles and films. It is a PVC heat stabilizer with good lubricity and good light and heat stability. In plastic PVC pipes, stearic acid helps to prevent "coking" during processing, and is an effective heat stabilizer added in PVC film processing, while preventing discoloration of the finished film caused by exposure to sulfide.
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1. Can you make packing and logo as customer request?
Yes we can, if you have special needs, please contact us.
2. What's your MOQ?
Usually, our MOQ is 5 tons -10 tons. If the quantity is too small, the sea transportation cost will be higher. Of course, if you have
special needs, you can also contact us, we will do our best to meet your needs.
3. What is your lead time?
After the deposit and confirm all the information within 7days.
4. What's your packing?
Normally, standard export packing,also we can do packing as your require.
5. What is your sample policy?
We can supply 1kg sample for free, But you're responsible for the shipping costs
