Skip to content

Why is zinc oxide used in rubber?

Zinc oxide is an oxidized form of zinc. The oxide of zinc is insoluble and can dissolve in water. It can also be easily dissolved by acids or strong bases. Zincoxide is a widely-used chemical additive. This is often used to make plastics.
A large band gap, exciton binding energy and high luminescence are all characteristics of zinc oxide at roomtemperature. It’s found in liquid crystal displays, thin films transistors, light-emitting diodes, and other semiconductor products.
A type of nanomaterial called zinc oxide (microparticles) was discovered to also play an important role in these fields.
Where is Zinc oxide employed?
1. It is used principally as a filler and coloring agent for white rubber.
2. In the chemical fertilizer business, fine desulfurization occurs.
3. Useful for: xerographic printing, pharmaceuticals, and as rubber vulcanizing aktiv agents, rubber catalysts, organic cats, desulfurizing, and other purposes.
4. For the desulphurization and production of NH3, oil, natural gas chemical material gases.
5. As a matrix for reference reagents as well as analytic reagents. It can also be used to identify fluorescent agents or photosensitive data.
6. For electrostatic wetcopying, dry transfer printing and laser facsimile communication, as well as electrostatic recording of electronics computers.
7. This product is suitable for use in plastic occupations such as sunscreen cosmetics, specialty ceramic products, functional coatings and textile washing processing.
8. It is extensively used in deep desulfurization or purification processes of industrial materials including NH3, methanol and hydrogen production.
9. As an astringent for plastering or making ointment.
10. As a white pigment, it is widely used in papermaking, matching, coloring, and printing. This is used in natural rubber as a reinforcing, coloring and vulcanizing agent. It can be used to make zinc chromium and other pigments, such as zinc yellow, zinc citrate, zinc carbonate or zinc chloride. This is in addition to its use in electronic laser information, phosphors feed additives catalysts magnetic materials and feed additives.
11. Inorganic white color. Although the color is stronger than Lithopone, titanium dioxide has less power. Used extensively in ABS resin, (C8H8) N, epoxy resin and phenolic resin as well in PVC and paint/ink coloring.
Why Zinc Oxide is Important in Coatings
1. As a blue pigment : Zinc oxide, also known simply as zinc white is a white pigment. Due to its lower color power than titanium dioxide’s, zinc oxide can be used for more purposes. For example, when titanium dioxide varnish is being adjusted in color. It is convenient to weigh the color paste, adjust the color easily and quickly, and it reduces color sensitivity.
2. Used to enhance coatings of epoxy resins containing carboxylfunctional groups.
Zinc oxide is an alkaline substance that can react in epoxy resin with carboxyl functional chains to make zinc soap.
3. Promote the reaction between the epoxy group & carboxyl team.
Epoxy resin / polyamide, polyester/TGIC and all other electrostatic products have the following characteristics: the epoxy reaction’s carboxyl reaction accelerates; the catalytic reactions are dry-solidified and the solidification period is shorter.
4. A conductive functional filler.
For some industrial applications it is essential to stop static electricity from being generated. Zink oxide, a metaloxide, has some electrical conductivity. This makes it a popular conductive filler in the construction of this type of coating.
5. It also protects against ultraviolet light.
Zinc is a cheap and affordable white light stabiliser. It offers good protection against ultraviolet radiation in the range of 240-380nm. It’s often used to protect outdoor powders and electrostatic powders.
6. The function of eliminating mildew and bacteria
Zinc dioxide has strong germicidal capabilities and can also be used as a sterilizer in water-soluble coatings. You can use it to make electrostatic powder for mildew-removal.
Why do you use zinc oxide in rubber?
Zink oxide, although it makes up only a fraction of the rubber-making process’s formula, plays a crucial role. Zinc oxide is combined with stearic, which forms zinc soap. The zinc soap improves the solubility zinc oxide in rubber compound. This complex, which reacts with sulfur to create a strong solventizing agent, is especially active. A key component of rubber production is zinc oxide, which plays a significant role in encouraging vulcanization.
In the course of rubber production, zinc oxide can increase rubber’s cross link density. Zinc oxide reacts well with stearic and creates Zn2++. The side hanging group of rubber accelerator contains sulfur makes weak bonds stable. You can also increase the vulcanizates’ aging, thermal and mechanical properties.
Zincoxide Price
The market’s supply and need, the economic trends and sentiment of the economy, as well as unexpected events can all influence how much the price will go up or down.
To get a quote on the latest ZnO Price send us an email. (
Zinc Oxide Source
Lemondedudroit advanced material. Lemondedudroit is a trusted ZnO manufacturer, and ZnO supply. With over 12 year-experience. We export our goods worldwide.
Please contact us for high quality ZnO granule. (

Inquiry us