Guangzhou Quanxu Technology Co.,Ltd.
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Paint Grade Zinc Stearate Cas , 230-310G/L Density Zinc Oxide Dusting Powder

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Guangzhou Quanxu Technology Co.,Ltd.
[China]

Address
R305,Zifu Technical Park, Guangdong,China Guangzhou Guangdong
Phone
86-020-38071820
Contact name
Don

Quick Information

  • Brand Name: SKYHIL
  • Place of Origin: China
  • Model Number : SKY-1826

Description

Zinc Stearate for Coating and Paint Industry 

 

 

Description

 

Zinc Stearate is a white coloured poweder. It is insoluble in water, but dissolves well in aromatic compounds like benzene and chlorinated hydrocarbons on heating. In fact, zinc stearate repels water (hydrophobic). It is the zinc salt of stearic acid. It is insoluble in alcohol and ethers. It is a very powerful mold resease agent. Zinc stearate does not contain any electrolyte. Zinc Stearate made from high-quality stearic acid through the use of dry method.

 

Zinc Stearate Paint and Coating Industry: Pigment suspension, improve grindability and matting. In the paint industry where zinc stearate is added to lacquers and paint coatings for use as a flatting and sanding agent.

 

Characteristics

 

The following specification parameters will be stated on our Certificate of Analysis:

 

Item Type SKY-1826
Appearance White Powder
Melting Point() 120-128
Zinc Oxide(%) 13-15
Free Acid(%) ≤0.5
Moisture(%) ≤0.8
Fineness 800 mesh
Density G/L 230-310

 

 


 

 

 

 

 

 

 

 

 

Applications

 

1, Our zinc stearate for paint can be used in PVC stabilizer, carpentry primer paint, plastics, macromolecule colophony, fiber rubber, cosmetics, powder metallurgy, and cement products, etc.

 

2,The film-forming substances of NC are mainly cellulose nitrate (nitrocellulose)and alkyd resin.NC is natural drying coating which is characterized by a dry-speed quickly. Because the big molecular weight of cellulose nitrate and the low solid content of NC, its wettability for powder is poor. Therefore, appropriate addition of zinc stearate is 1%to 2%in NC, adding overload will affect the adhesion and transparency of the primer.

 

3, The film-forming substances of PU are mainly poly isocyanate resin (curing agent) and alkyd resins, which forming film by curing agent - NCO and alkyd resin - OH crosslinking reaction .PU is curing crosslinking coatings . Because its high solid content, the wettability is better. Therefore, appropriate addition of zinc stearate is 2%to 5%in PU, adding overload will affect the adhesion and transparency of the primer, even caused blushing.

 

Performance

 

1, Improvement sanding property of the primer.

2, Given the primer better rheopexy to improvement its anti-settle.

3, Improvement filling of the primer

4, It is dispersed and sanitized easily, which has good transparency, stabilizing foaming, compatibility and rheopexy.

 

 


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