Zinc Sulfide (ZnS) Granules

Zinc Sulfide (ZnS) Granules are a material with unique physical and chemical properties, widely used in various fields. The appearance of Zinc Sulfide (ZnS) Granules is typically white or light-yellow granular solids, exhibiting good chemical and thermal stability. At room temperature, Zinc Sulfide (ZnS) Granules do not easily react with other substances, which allows them to remain stable in various complex chemical environments, thereby ensuring the product's performance and service life.

From a chemical composition perspective, Zinc Sulfide (ZnS) Granules consist of zinc and sulfur in a 1:1 ratio. Due to this simple chemical composition, Zinc Sulfide (ZnS) Granules possess unique optical and electrical properties. For example, in the field of optics, Zinc Sulfide (ZnS) Granules have a high refractive index, enabling effective refraction and reflection of light. Therefore, they are often used in the manufacturing of optical coatings, window materials for optical instruments, and some specialized optical devices. In terms of electrical properties, Zinc Sulfide (ZnS) Granules are a semiconductor material with certain conductivity, but their conductive properties can be adjusted through technology. This gives Zinc Sulfide (ZnS) Granules broad application prospects in the field of electronic device manufacturing, such as in the production of light-emitting diodes (LEDs) and photodetectors.

In industrial production, the preparation methods for Zinc Sulfide (ZnS) Granules are diverse, with common methods including chemical precipitation and high-temperature synthesis. These methods can be adjusted and optimized according to different application requirements and quality standards to produce Zinc Sulfide (ZnS) Granules with varying particle sizes, purity levels, and performance characteristics. The particle size of Zinc Sulfide (ZnS) Granules typically ranges from micrometers to millimeters. Smaller particle sizes help increase the material's specific surface area, thereby enhancing its reactivity in chemical reactions. For example, in catalyst preparation, fine Zinc Sulfide (ZnS) Granules can provide more active sites, improving catalytic efficiency. Larger particle sizes, on the other hand, are beneficial for material molding and processing, such as in the manufacturing of large optical components, where larger Zinc Sulfide (ZnS) Granules can reduce material loss and processing difficulty.

Additionally, Zinc Sulfide (ZnS) Granules exhibit certain environmental adaptability. They remain relatively stable in dry air, but in humid environments, slow oxidation reactions may occur. Therefore, appropriate moisture-proof measures must be taken during storage and transportation to ensure their quality and performance are not affected. Despite this, their excellent chemical stability and diverse application characteristics still make them a highly valuable industrial material.

Specification: Crystal granules, 99.9% - 99.99%

Appearance: Light yellow, semitransparent

Size: 1-40mm, upon demand

Advantage: High quality, complete specifications, applied for multiple uses

Application Fields: Optical coating, decorative coating

Usage: Cold light coating; Filter; HR coating; Infrared coating

Optical Properties:
ZnS has a high refractive index (about 2.35 to 2.4). It shows good transparency in the visible light range, with a transmission range of 0.37 to 14 micrometers. This makes it excellent for optical coatings and other applications.

Thermal Stability:
Its melting point is around 1850°C, and it remains stable in high-temperature environments. This makes it suitable for applications requiring strong heat resistance.

Chemical Stability:
ZnS does not dissolve in water but can dissolve in acids. If exposed to humid air for a long time, it slowly turns into zinc sulfate.

Fluorescence:
When small amounts of activators (like Cu, Mn, or Ag) are added to ZnS crystals, they can glow in different colors under light.

Optical Field:
Used to make optical coatings, filters, laser window coatings, and infrared coatings. It improves the performance and accuracy of optical devices.

Electronics Field:
Acts as a semiconductor material for electronic and optoelectronic devices.

Chemical Industry:
Used as an analytical reagent, pigment, and raw material for phosphors. It is also used in paints, coatings, and glass production.

Other Fields:
Used to make white and opaque glass, as well as a filler in rubber and plastics.

FAQ

Are you a factory or manufacturer?

A: Yes, we are a factory but we generally use our trading company to handle the business abroad. It will be more convenient to receive the remittance and arrange the shipment.

What is the delivery method?

A: Generally, we send cargo by UPS, DHL or FedEx. Also, we can send by sea to seaport or by air to the closest airport.

Why is your product so cost-effective?

A: We cut out the middlemen in the end-to-end manufacturing process and we obtain raw material directly from its source.

Do you do spot quality inspection or full inspection?

A: 100% full inspection for sure. All unqualified products are discarded.

How do you ensure your lead time?

A: From material preparation to machining and finally to a full inspection. Every stage of production is strictly monitored and controlled to give you an accurate delivery time.

What is the MOQ of Zinc Sulfide (ZnS) Granules?

A: Depends on quantity, generally, no MOQ limit.

How to pay for it?

A: A bank transfer (T/T) will be acceptable.

What is the delivery time?

A: around 7-20 days which depends on the quantity and production.

What is kind of the package?

A: Generally, we use a carton case or plywood case with protective material inside to ensure the save of cargo

What is the lead time?

A: from order placed to cargo receiving will take around 10-25 days.

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