80,000
tons / year — inorganic powders
60,000
tons / year — additive masterbatch
200
%+
specialists & engineers
100
+
batch-to-batch QC checked
More than a powder supplier — a partner for your formulation problems
We pair stable bulk supply of zinc sulfide and barium sulfate standard grades with the engineering depth to develop something specific to your line. Three ways we work with technical buyers worldwide.
Supply
High-Purity Functional Fillers
Consistent bulk supply of zinc sulfide (ZnS) and precipitated barium sulfate, produced on dedicated lines to tightly controlled purity, whiteness and particle-size specifications — the same number, shipment after shipment.
Barium Sulfate
Bulk MOQ
Compound
Custom Masterbatch Formulation
One-stop development of additive and functional masterbatch for polymer modification. We compound your active loading into the right carrier resin so it disperses cleanly during your own extrusion or injection process.
OEM / ODM
Modify
Surface Modification Services
Coupling-agent, hydrophilic and hydrophobic surface treatments tuned for demanding downstream systems — from automotive topcoats to battery separators — so the filler behaves the way your resin and process need it to.
Hydrophilic / Hydrophobic
Decades of know-how, a plant built in this decade
- 25,000m² smart manufacturing plant
- 80,000t/a inorganic powder capacity
- 60,000t/a additive masterbatch capacity
- 33,350m² total industrial-park site
Quality & Authority Certified systems, instrument-verified every batch
Trust in a chemical supplier is built on documentation and measurement — not adjectives. Here are the systems and instruments behind every shipment of zinc sulfide and barium sulfate.
ISO 9001:2015 Quality Management System
ISO 14001 Environmental Management System
ISO 45001 Occupational Health & Safety
REACH & RoHS Compliant Verified by SGS testing
100%Batch-to-batch quality consistency on every lot of zinc sulfide and barium sulfate, verified before any shipment leaves the plant.
Standardized delivery workflow for inorganic powder & masterbatch orders, full traceability and complete export documents provided for every shipment.
After receiving your signed PI & deposit, our production team arranges dedicated production lines according to your grade, particle size and surface treatment requirements.
PI ConfirmProduction Schedule
Finished powder/masterbatch will be fully tested by lab: purity, whiteness, particle size, moisture. COA report generated before packing.
100% Batch TestCOA Issued
Double-layer inner plastic bag + woven bag / fiber drum packaging. Custom private label & neutral packaging available per your request.
25kg Drum/BagCustom Label
Goods transferred to finished warehouse. Our inspectors count quantity, check packaging integrity before container loading.
Quantity AuditLoading Supervise
Professional forwarder handles customs declaration. We provide invoice, packing list, CO, MSDS, TDS, SGS test reports for customs clearance.
Full DocsSea/Air Shipment
Send bill of lading & tracking number to you after departure. Our team follows up transit status and solves all cargo related issues.
Tracking UpdateAfter-sale Service
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Every industry stresses a filler differently.
Here is how our zinc sulfide, barium sulfate and masterbatch grades are matched to the problems technical buyers actually bring us.
- Automotive Coatings
- Rubber & Elastomers
- Color & Filler Masterbatch
- Modified Plastics
- Functional Films
- Coatings & Inks
- Pain: poor topcoat leveling, mar and equipment wear
- Hard, coarse extenders raise scratch sensitivity, abrade spray and dispersion equipment, and disrupt flow — so the topcoat neither levels nor holds its finish.
- Solution: ultrafine, narrow-distribution precipitated barium sulfate combined with low-hardness zinc sulfide (Mohs ~3). The soft, well-wetted particle reduces abrasion and agglomeration, giving smoother leveling, better mar resistance and a more stable spray line.
- Pain: reinforcement without abrasion or staining
- Rubber and TPE compounds need a white reinforcing filler that lifts hardness and modulus, yet many hard fillers wear mixing equipment and dull light-colored or transparent goods.
- Solution: fine precipitated barium sulfate (density ~4.3–4.5 g/cm³, chemically inert) as a non-staining, acid- and heat-resistant filler, paired where needed with soft zinc sulfide (Mohs ~3) for whiteness. It adds weight, filler loading and chemical resistance while staying gentle on mixers and molds.
- Pain: powder agglomeration and uneven dispersion
- Fine white powders clump inside the polymer melt, creating gels, color streaks, haze and weak points that show up on the finished part or film.
- Solution: pre-dispersed composite masterbatch that carries zinc sulfide or barium sulfate uniformly into your base resin. Compounded on 8 dedicated lines with carrier resin (PE / PP / PET / custom) matched to your process, so the pigment or filler disperses cleanly at your own extrusion or injection stage.
- Pain: abrasive fillers wear screws and molds
- Thermally-functional additives are often hard enough to erode screws, barrels and molds across a production run, driving up tooling cost and downtime.
- Solution: zinc sulfide as a non-abrasive, thermally-conductive white pigment — Mohs ~3 versus alumina ~9, with thermal conductivity near 27 W/(m·K). It delivers heat management and whiteness for modified and reinforced compounds without the equipment wear of hard mineral fillers.
- Pain: transparency, gloss and dispersion in thin gauges
- In thin films even a single agglomerate causes haze, fish-eyes and weak spots, while optical films must keep transparency or controlled gloss without sacrificing loading.
- Solution: sub-100 nm nano barium sulfate (FB series) with low refractive index for high-transparency and high-gloss film systems, delivered pre-dispersed via masterbatch so the particle stays uniform across the web.
- Pain: brightness, matt control and cost balance
- Coatings and inks must hit tight color and high brightness, manage gloss or matt, and stay weather-durable — all against constant raw-material cost pressure.
- Solution: precipitated and electronic-ink barium sulfate for matt control, extender economy and stable color, combined with blue-phase zinc sulfide whites for brightening, weather resistance and low UVA absorption in UV-curable systems.
Hard data for engineers, before you ever request a sample
- Barium Sulfate Functional Masterbatch
- Zinc Sulfide S-10
- Zinc Sulfide S-20 — High-Performance Pigment-Grade Zinc Sulfide
- Ultrafine Precipitated BaSO₄
- Modified Precipitated BaSO₄
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A pre-dispersed barium sulfate masterbatch that solves the biggest challenge in filled-polymer processing — even dispersion at high filler loading. We compound inert, fine precipitated barium sulfate into the right carrier resin so it disperses without gels, streaks or die build-up on your line.
Filler: precipitated / ultrafine BaSO₄
Carrier resin: PE / PP / PET / custom
BaSO₄ loading: tailored, high-loading capable
Dispersion: pre-compounded, uniform
Form: pellet
Development: one-stop OEM / ODM
Lines: 8 dedicated, 7×24h
Send your base polymer, target loading and process window — our team scopes a formulation.
CTA: Start a custom project
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Zinc Sulfide S-10
CAS 1314-98-3 · Pigment White 7 · Sphalerite (β-ZnS)
A blue-phase zinc sulfide white pigment with brightening effect and good thermal conductivity, developed for engineering plastics that need heat management without abrasion.
ZnS content ≥ 98%
Whiteness ≥ 96
Average particle size (D50) ~0.3 µm
Mohs hardness ~3
Thermal conductivity ~27 W/(m·K)
Density ~4.05 g/cm³
Full TDS and MSDS, including loss on ignition, oil absorption and packaging. Sent to your business inbox.
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A high-purity, high-performance zinc sulfide white pigment produced on the company's upgraded process, positioned between the engineering-plastic S-10 and the optical S-30. It combines high whiteness and brightening effect with the same low hardness and thermal function that make zinc sulfide gentle on equipment.
ZnS content ≥ 98% (high-purity) · Whiteness ≥ 96 · D50 ~0.3 µm · Mohs hardness ~3 · Crystal form: sphalerite (β-ZnS) · Density ~4.05 g/cm³
Application: high-performance plastics, high-grade coatings and inks demanding tighter whiteness and purity.
Full TDS / MSDS and purity profile available to qualified buyers.
CTA: Get the controlled spec
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An ultrafine, high-purity precipitated barium sulfate made by the barium-carbonate / sulfuric-acid route — a process that generates no harmful gases and no water-soluble salt by-products. Its finer, narrower particle distribution improves smoothness, gloss and dispersion versus standard precipitated grades, while keeping full chemical inertness and acid / high-temperature resistance.
BaSO₄ content ≥ 98.5% · Whiteness ≥ 98 · D50 ≤ ~0.7 µm · Oil absorption ~12–18 g/100g · pH 6.5–8.0 · Density ~4.3–4.5 g/cm³
Full TDS / MSDS with sieve residue, moisture and packaging details for bulk evaluation.
CTA: Get the controlled spec
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A surface-modified precipitated barium sulfate treated with coupling-agent and hydrophilic / hydrophobic finishes to improve wetting and compatibility inside resin and coating systems. The modified surface lowers agglomeration and viscosity, letting the inert filler disperse cleanly and load higher in demanding formulations.
BaSO₄ content ≥ 98% · Surface treatment: coupling agent / hydrophilic / hydrophobic · Dispersion: excellent · Compatibility:
enhanced in polymer & coating systems · Density ~4.3–4.5 g/cm³
Application: high-loading coatings, plastics and systems needing controlled rheology.
Modified-grade documentation and surface-treatment options on request.
CTA: Get the controlled spec
Featured Products
We don't just sell powder — we fix formulations
Leads grade development and crystal-structure control for our zinc sulfide and barium sulfate lines, from lab synthesis to scaled production.
Translates your end-use problem into a filler and surface-treatment recommendation, then validates it against your processing conditions.
Owns particle-size, whiteness and purity testing for every zinc sulfide and barium sulfate batch, and keeps batch-to-batch data consistent against every customer specification.
Zinc sulfide is the most important inorganic white pigment after titanium dioxide and zinc oxide — but its real value to modern engineers lies in what it does not do. With a Mohs hardness of around 3, zinc sulfide carries heat almost as well as alumina while behaving gently on screws, barrels and molds.In practice, zinc sulfide sits between titanium dioxide and ordinary extenders — brighter and more functional than a filler, yet gentler and more thermally active than a high-hardness white. Combined with barium sulfate it forms lithopone, but supplied as a controlled single-component zinc sulfide it hands the formulator precise command over hardness, heat and tone.
Non-abrasive thermal management
Thermal conductivity near 27 W/(m·K) — comparable to alumina — yet a fraction of the hardness, so zinc sulfide adds heat dissipation without wearing out processing equipment.
Clean dispersion & rheology
Soft texture and excellent wetting let our zinc sulfide grades disperse evenly in polymer and coating systems, reducing agglomerates and surface defects.
Thermal stability & weather resistance
Zinc sulfide improves the thermal stability of engineering plastics and acts as a durable, weather-resistant white — also an environmentally friendly long-term fungicide.
Low UVA absorption
A blue-phase white with brightening effect and low UVA absorption, ideal for UV-curable coatings where cure efficiency matters.
Functional White Fillers · Indicative Comparison
| Property | Zinc Sulfide | Alumina | Titanium Dioxide |
| Mohs hardness | ~3 | ~9 | ~6 |
| Thermal conductivity | ~27 W/m·K | ~30 W/m·K | Low |
| Equipment wear | Very low | High | Moderate |
| Whiteness / brightening | High, blue-phase | — | High opacity |
| Best fit | Thermally-conductive, low-wear whites | Hard thermal filler | Maximum hiding power |
Leading Functional Inorganic Mineral Fillers Manufacturer
As a premier global supplier of high-performance powder, we specialize in high-end functional inorganic mineral fillers. Our core product portfolio solidifies our competitive edge in the global market: FB-30 Nano-Precipitated Barium Sulfate: Our flagship benchmark product.
Ultrafine Precipitated Barium Sulfate: Engineered for narrow particle size distribution. High-Purity Zinc Sulfide: Trusted by high-value global clients.
Global Market Recognition & Success Stories 🇪🇺 Europe: Outperforming Premium Standards A prominent European industrial client has placed bulk orders for our flagship FB-30 nano-precipitated barium sulfate.
The Advantage: It outperforms equivalent offerings from leading German manufacturers and matches the technical performance of top-tier Japanese suppliers.
Market Feedback: Industry clients endorse its premium quality and reasonable pricing, aligning perfectly with its actual application value. 🇺🇸 North America: Strategic Exclusive Partnership
We have forged a strategic partnership with a premier US distributor specializing in barium-zinc mineral powder trading. Through this collaboration, we supply end-user factories across
major industrial chains:
Target Industries:Coatings, plastics, new energy, and anti-corrosion materials.
Verified Capabilities: Fully automated production lines, refined surface modification processes, and reliable long-term supply volumes compliant with EU and US regulatory standards. 🇯🇵 Japan: Collaborative Innovation with Technical Teams Moving from small-batch trials to large-scale long-term cooperation, our ultrafine precipitated barium sulfate has earned deep trust from Japanese technical experts.
Core Metrics: Sulfur-odor-free property, ultra-low impurity content, and ultra-high whiteness.
Hard data for engineers, before you ever request a sample
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Practical answers for bulk buyers
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Can we get free samples for laboratory testing before bulk orders?Yes. We provide free samples of zinc sulfide, barium sulfate and masterbatch grades for your laboratory evaluation, with the relevant TDS and MSDS. We only ask that you share your application and target properties so we can recommend the right grade — and, where useful, a trial surface treatment — before you commit to a bulk order.
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How do you guarantee particle-size distribution consistency between batches?Every batch of zinc sulfide and barium sulfate is produced on dedicated lines under an ISO 9001:2015 system and checked on laser particle-size analyzers and XRF spectrometers before release. We hold particle size, whiteness and purity to your agreed specification and keep the batch data on file, so the material you qualify is the material you keep receiving — shipment after shipment.
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What is your standard lead time for a 20ft container of zinc sulfide?For standard zinc sulfide grades held in stock, a full 20ft container typically ships within about 7–15 working days of order confirmation. Custom grades, bespoke surface treatments or tailored masterbatch run longer because they are produced to your specification — we confirm an exact date with your order. Running five powder lines and eight masterbatch lines 7×24h lets us protect lead times even at volume.
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Can you develop a custom grade or surface treatment for our system?That is our core strength. Our R&D team develops custom purity, particle size and coupling-agent or hydrophilic / hydrophobic surface treatments for demanding systems such as automotive topcoats and battery separators. Share your base resin, process window and performance target, and we will scope a grade — including custom additive masterbatch where pre-dispersion helps.
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Do you support OEM / ODM and provide full export documentation?Yes. As an established manufacturer and exporter we support OEM and ODM arrangements and supply the documentation global buyers need — TDS, MSDS, REACH and RoHS compliance via SGS, certificates of analysis and standard export paperwork. Our team handles enquiries in English and ships worldwide from Yunfu, Guangdong.
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Is your zinc sulfide a safe, regulatory-compliant white pigment?Yes. Our zinc sulfide is a stable inorganic white pigment (Pigment White 7, CAS 1314-98-3) produced under ISO 14001 and ISO 45001 systems, with REACH and RoHS compliance verified by SGS. It contains no lead or cadmium, and our barium-carbonate / sulfuric-acid route generates no harmful gases or water-soluble salt by-products. Full safety data and a certificate of analysis accompany every shipment so your EHS and procurement teams have the documentation they need.
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