Zinc Sulfide
1. Used in glass fiber reinforced plastic system for color matching ,it can perfectly retain the enhancement effect of glass fiber.
2. Used in PTFE, PBT, POM, PPO, PSU, PEEK, Pl, PPS, LCP and other special engineering plastics, to better play the special plastic high temperature resistance, wear resistance, high strength and other properties,extend the service life of products.
3. In the field of painting and ink, zinc sulfide can be used as antibacterial material and thermal conductivity material to improve the performance.
4. Zinc sulfide also shows great potential in the fields of grease, brake material, wire and cable, optical coating, new energy, photoelectric materials and biomedicals.
Characteristics:
High whiteness：S-10 is a blue-phase white pigment, with brightening effect, can improve the efficiency of phosphors.
Thermal conductivity: S-10 has good thermal conductivity, with a thermal conductivity of 27W/(m·k), higher than that of alumina.
Low UVA absorption rate: It has a low UVA absorption rate and can be used in UV-curable white paints to improve efficiency.
Liquidity：S-10’s particle size distribution is narrow, the particles are nearly spherical. Even in a high solid content system, it has relatively good liquidity.
Long-acting sterilization: S-10 can be used in architectural paint to prevent moss from being produced on the exterior wall.Compared with other fungicides, it is non-toxic and harmless.
High purity：Zinc sulfide products have high purity, do not contain other harmful trace elements, ensure the stability of products.
The effect of flame resistance and smoke suppression: S-10 can replace part or all of Diantimony trioxide(Sb2O3), which has theeffect of flame resistance and smoke suppression in flame retardant plastics.
Anti-aging: Unlike with TiO2’s photocatalytic effect,, S-10 can anchor metal ions with catalytic effect to prevent them from entering the polymer lattice (anti-aging), and then improve weather resistance of plastics and coatings.
Yellowing resistance: Unlike with TiO2, S-10 will not produce colored compound by reacting with phenolic anti-aging agent, so it inhibits the catalytic oxidation of polymer. Also its thermal stability is excellent that very stable when used below 350℃.
Low Mohs hardness: Zinc Sulfide has only a grade 3 Mohs hardness and contains no other impurities, making it ideal as a white pigment for all fiberglass reinforced plastics. It has the advantages of ensuring and improving the bending and impact strength of the finished product, unlike TiO2(which has a Mohs hardness of 6.0-6.5), which destroys reinforced glass fibers. An inorganic lubricant that can be used to rub materials while avoiding the brittleness of elastomer plastics.
| Product Series | Grade | Particle size: D50 (μm) | Characteristic | Application |
| S Series | S-10 | 0.5 | Low Mohs hardness, only grade 3,without other impurities, and it has the function of anti-wear. | Glass fiber reinforced plastics |
| S-20 | 0.5 | Compared with S-10, it has higher purity and better temperature resistance. | ||
| S-30 | 2.0 |
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