Plastic Auxiliary Agents Stearate Acid Magnesium Stearate and Stearic Acid Powder
Product Performance of Magnesium stearate:
Product name: Magnesium stearate
English name: Magnesium stearate
Molecular formula: Mg[CH3(CH2)16COO]2
Properties: white powder, insoluble in water, ethyl alcohol ; soluble in hot water, hot ethyl alcohol
Main uses
It is widely used in food, medical, costing, plastic, rubber and textile industry as emulsifying agent, release agent, lubrication agent, stabilizing agent, promoter and cosmetics basic material.
Magnesium stearate is a white substance that has two equivalents of stearate and one
magnesium cation. It is safe for human consumption. It is often used as a filling agent in the
manufacture of supplement capsules. This substance has lubricating properties and prevents
ingredients from sticking to manufacturing equipment during the compression of chemical
powders into capsules or tablets. Most pharmaceutical formulations include a certain amount
of lubricant to improve their flow Ability and prevent their adhesion to the surfaces of
processing equipment.
Items | Standard |
Characters | A very fine, light, white powder, odourless or with a very slight odour of steric acid. |
Identification A and B | Complies |
Acidity or alkalinity | Complies |
Chlorides | ≤0.1% |
Sulphates | ≤0.1% |
Lead | ≤10ppm |
Loss on drying | ≤6.0% |
Magnesium | 4.0~5.0% |
Relative content of stearic acid and palmitic acid | Complies |
Microbial limits | Complies |
Packaging: The PE film lined the polywoven bag. Net wt: 20kg/bag, or follow customer's packing instructions.
Q1: Are you a manufacturer or trading company?
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Q2: May I get one sample before placing order ? Re: Yes, we'd like to provide sample for you. For some items, it is free and you only need pay the shipping cost. When we both cooperate for some times, free sample will be offered. |
Q3: Which payment is available for your company ? Re:There are some payment methods for your option. T/T(USD), Western union, Paypal, Credit card, Alipay . You can choose the one which you like. |
Q4: How and when can I get my goods after payment? Re: For small quantity products, it takes only 1-2 days for delivery by air. And for large quantity, it will take about 1-2 weeks. |
Q5: Do you have OEM or ODM service ? Re: Sure. If needed, we can customize. |
Q6: How can you guarantee the goods you offer is qualified? Re: All the goods are inspected before shipment. If the goods can't come to the quality we promise, you can ask for refund. |