Zinc stearate Catalyst

Zinc stearate is a zinc soap which is widely used industrially. In this context, soap is used in its formal sense, a metal salt of a fatty acid. It is a white solid that repels with water. Its melting point is 120 - 130 degree C and specific gravity is 1.095. It is insoluble in cold water and stable under normal conditions.

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Detailed Description for Zinc stearate Catalyst

Zinc stearate is a zinc soap which is widely used industrially. In this context, soap is used in its formal sense, a metal salt of a fatty acid. It is a white solid that repels with water. It is insoluble in polar solvents like alcohol and ether but soluble in aromatic hydrocarbons like benzene and chlorinated hydrocarbons when heated. It is the powerful mold release agent among all metal soaps. It does not contain electrolyte and has a hydrophobic effect. Its main application areas are in the plastics and rubber industry where it is used as a releasing agent and lubricant which can be easily incorporated.

Zinc carboxylates, e.g., adopt complex formula, basic zinc acetate, and are not simply dicarboxylates of zinc. The formula for most zinc carboxylates is Zn4O(O2CR)6, consisting of a Zn4O6+ core with carboxylate ligands spanning the edges.

 

 

PHYSICAL AND CHEMICAL PROPERTIES

PHYSICAL STATE

various form of white solid without odor

MELTING POINT

120 - 130 degree C

BOILING POINT

 

SPECIFIC GRAVITY

1.095

SOLUBILITY IN WATER

Insoluble in cold water

SOLVENT SOLUBILITY

Slightly soluble in benzene

pH

6.5 - 7.5 in slurry

VAPOR DENSITY

 

log Pow

14.44 (Octanol-water)

OH RATE

4.29E-11 (cm3/molecule-sec at 25 C Atmospheric)

AUTOIGNITION

790 degree C

NFPA RATINGS

Health: 0, Flammability: 1, Reactivity: 0

REFRACTIVE INDEX

 

FLASH POINT

276 degree C

STABILITY

Stable under ordinary conditions

 

roduct name

Zinc stearate

 

Description

It is white, fine powder. 

This product in water aqueous systems, so the whiteness is very high and have good  dispersion and mobility  

 

SGS standard passed

 

Specifications

Item

index

Appearance: 

White powder

zinc content,%

10.3--11.3

Free fatty acid,%

1max

Moisture,%

1max

Melting point,°C

115-125

Fineness(thr. 0.075mm screen)

99.5

 

Applications

1. Plastics

2. Rubber

3. Paint and ink

4. Masterbatch

 

 

Application: 

Zinc Stearate is used as a stabilizer for plastics with co-stabilizer of Ba-Cd soap. It is used as a plasticizer in plastic industry as well as in cosmetics. It is used as a flatting and sanding agent in inks, coatings & lacquers. It is used in tablet manufacturing. It is used as a drying lubricant and dusting agent for rubbers. It is used as a catalyst for chemical synthesis. It is used as a waterproofing additive in rockwool, textiles, concrete and paper.

 

 

 


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