BLIT Chemical – Antimony Based New Materials Professional Supplier
Release time: 2026-03-27
BLIT Chemical is a leading high-tech enterprise in China focusing on the antimony-based new materials field, with core advantages in advanced production technology, perfect quality inspection system and in-depth industry-university-research cooperation. We build a full range of high-quality antimony-based product matrix, and are committed to providing global customers with integrated solutions for antimony functional materials.
The company has a standardized and modern production base with a total area of 40,000 ㎡, 25,000 ㎡ of high-standard industrial workshops and a total investment of more than 200 million RMB. We are equipped with multiple advanced automatic production lines for antimony products, and have established a strict whole-process quality control and detection system with an annual output of more than 32,000 tons. Our core products cover antimony trioxide, dust-free antimony trioxide, catalytic grade antimony trioxide, antimony trioxide masterbatch, sodium pyroantimonate, colloidal antimony pentoxide, new halogen-free flame retardant and other full series of antimony-based new materials. The products have core properties such as high-efficiency flame retardancy, clarification and defoaming, catalytic brightening, anti-wear and passivation, and are widely used in high-end fields such as 5G communication, new energy vehicles, petroleum refining, military manufacturing, engineering plastics, glass ceramics, synthetic fibers.
Adhering to technological innovation and green manufacturing, the company has reached in-depth industry-university-research cooperation with well-known domestic universities, and overcome a number of core technologies in deep processing of antimony-based materials and comprehensive utilization of renewable resources. Our products are not only sold well in the domestic market, but also exported to the United States, Germany, Spain, Italy, Japan, Australia, India, Southeast Asia and many other countries and regions around the world. Relying on stable product performance, customized solutions and perfect after-sales service, we have become a trusted antimony-based new materials partner for global customers.
In the future, BLIT Chemical will continue to focus on technological innovation of antimony-based materials, deepen in the fields of environmental protection and resource recycling, build a globally competitive R&D center and green manufacturing base for antimony-based functional materials, and provide core support for the development of the global new materials industry.
- Complete product matrix of antimony-based new materials, one-stop meeting the application needs of multiple fields
- Annual output of more than 32,000 tons, large-scale production to ensure stable supply
- In-depth industry-university-research cooperation, independent and controllable core processes and technologies
- Strict quality inspection system, stable product performance and leading indicators
- Customized product development capability, precise R&D according to customer needs
- Green manufacturing concept, combining resource regeneration with environmental protection production
- Global sales and service network, quick response to customer needs + professional technical support
Core Product Series
Antimony Trioxide (FR Grade)
| ITEMS | Specification |
| Appearance | White Powder |
| Chemical Formula | Sb₂O₃ |
| Molecular Weight | 291.52 |
| Melting Point | 656°C |
| Specific Gravity | 5.2 |
| Solubility | hydrochloric acid, tartaric acid; insoluble in water and acetic acid |
As a high-efficiency flame retardant synergist, it is widely used in polyethylene, polypropylene, polystyrene, nylon, engineering plastics, rubber, paint, coatings, synthetic resins, fibers and other materials; it can be used as defoaming agent for glass melting, catalyst for PET production, covering and brightening agent for enamel and ceramics, and passivating agent for catalytic cracking and reforming of heavy oil residue.
Specification
| Chemical Composition | 99.5% | 99.8%B | 99.8%A |
| Sb₂O₃ | 99.5% | 99.8% | 99.8% |
| As₂O₃ | 0.08% | 0.06% | 0.05% |
| PbO | 0.1% | 0.08% | 0.05% |
| Fe₂O₃ | 0.005% | 0.003% | 0.002% |
| CuO | 0.004% | 0.003% | 0.002% |
| Se | 0.004% | 0.002% | 0.002% |
| Whiteness | 94 | 95 | 96 |
| (μm)/Average Particle Size | 0.6-1.2 | 0.6-1.2 | 0.6-1.2 |
Packing
- 25kg/bag, 1000kg/pallet, shrink-wrapped and palletized
- 500kg/1000kg FIBC, shrink-wrapped and palletized
- Customized packaging：1/5/10kg small specifications
Dust-Free Antimony Trioxide
A dust-free product made by special surface treatment of antimony trioxide powder. After the process treatment, the powder is in a slightly wet state, which can effectively eliminate the inhalation and contact damage of dust during use, take into account high-efficiency flame retardancy and plasticization performance, provide better environmental and personnel protection for downstream production, and greatly improve the operation convenience.
Specification
- Antimony Trioxide (99.5%/99.8%/99.9%)
- Ethylene Glycol (EG), Dioctyl Phthalate (DOP), Diisodecyl Phthalate (DIDP), Diisononyl Phthalate (DINP), Chlorinated Paraffin (CP)
- Antimony-based main material 95%~97% (weight ratio), auxiliary material 3%~5% (weight ratio)
Packing
- 25kg kraft paper bag (with plastic inner bag), 1 ton per pallet and shrink-wrapped
- 500/1000kg FIBC, each bag palletized and shrink-wrapped
- Customized packaging：According to customer’s specified requirements
The New Halogen-Free Flame Retardant LC-1401
A high-efficiency halogen-free flame retardant jointly developed by BLIT Chemical and well-known universities, a non-APP/non-MPP system. It achieves ultra-high efficiency flame retardant effect through the principle of gas phase + condensed phase joint flame retardancy, and is specially developed for PA6, PA66 and PBT engineering plastics. It has low smoke emission during combustion, significant carbon formation effect, and easily meets UL94 V-0 rating (achievable even at 0.4mm thin thickness).
Compared with traditional halogen-free flame retardant, it significantly improves the Glow-Wire Ignition Temperature (GWIT≥775°C) of materials, no precipitation under high temperature and high humidity environment, excellent color stability, weak corrosion to metal equipment during processing, effectively extending the service life of equipment and reducing production costs, meeting the stringent application requirements of high-end fields such as electronic and electrical appliances.
Physical Property
| Items | Unit | Value | esting Method |
| Phosphorus Content | % | 17 | XRF |
| Moisture Content | % | – | Karl Fischer Titration |
| Degradation Temperature | °C | About 350 | TGA (weight loss in air) |
| Density | g/cm³ | About 1.5 | – |
| Bulk Density | kg/m³ | About 500 | DIN 53466 Standard |
✅ High-efficiency flame retardancy, UL94 V-0 high grade certification
✅ Halogen-free and environmental-friendly, in line with global green environmental protection standards
✅ Excellent mechanical properties, no impact on the performance of the substrate itself
✅ Good color stability, avoiding product discoloration and yellowing
✅ GWIT≥775°C, meeting the high-end needs of electronic and electrical appliances
✅ No precipitation under high temperature and high humidity, wide application scenarios
✅ Low equipment corrosion, reducing comprehensive production costs
Catalytic Grade Antimony Trioxide
Made from high-quality premium refined antimony through the company’s exclusive pyrometallurgical smelting process, it has core characteristics such as small particle size, low impurity content, pure crystal form, high activity and easy dispersion. Its catalytic performance is far superior to ordinary models, and it is mainly used as a special catalyst for polyester polycondensation in the synthetic fiber industry with high-efficiency catalytic efficiency and strong stability.
| Grade | 99.8% | 99.9%B | 99.9%A |
| PbO (ppm) | <300 | <100 | <50 |
| As₂O₃ (ppm) | <200 | <100 | <50 |
| CuO (ppm) | <20 | <20 | <15 |
| Fe₂O₃ (ppm) | <20 | <20 | <15 |
| Se (ppm) | <20 | <20 | <10 |
| Cd (ppm) | <10 | <5 | <5 |
| Whiteness | >96 | >96 | >97 |
| B | <12 | <12 | <12 |
| Particle Size (μm) | 0.3-0.8 | 0.3-0.8 | 0.3-0.8 |
| Transmittance | >96 | >97 | >97 |
| Crystal Transmittance | >92% | >95% | >95% |
PS: Dust-free antimony trioxide grade available by plasticizer treatment
25kg/bag, 1000kg/pallet; Other customized packaging specifications available according to customer requirements.
Antimony Trioxide Masterbatch
A granular dust-free product made by mixing antimony trioxide powder with plastic/rubber resin, fusing and pelletizing through an extruder. It solves the dust pollution problem in the use of powder, has better dispersibility and more convenient addition, can completely replace powder for flame retardant modification of plastics and rubber, and the flame retardant effect is consistent with powder with greatly improved use experience.
Ingredient
- Antimony Trioxide (99.5%/99.8%)
- arriers：Polyethylene (PE), Polypropylene (PP), Polyamide (PA6/66), Polybutylene Terephthalate (PBT), Ethylene Vinyl Acetate (EVA), Ethylene/Methacrylic Acid Copolymer (EMA), etc.
As a high-efficiency flame retardant synergist, it is widely used in the flame retardant modification of polyolefin, Polyvinyl Chloride (PVC), engineering plastics, rubber and other materials, and is suitable for various processing technologies such as injection molding, extrusion and blow molding.
tandard Specification
| Model | Carrier | Sb₂O₃/Content | (g/cm³)/Density | (°C)/Melting Point | (mm)/Particle Size |
| BL-201A | EVA | 90±1% | 3.58-3.68 | 100 | 2-5 |
| BL-201B | EVA | 80±1% | 2.50-2.60 | 100 | 2-5 |
| BL-302A | LDPE | 90±1% | 3.49-3.61 | 110 | 2-5 |
| BL-302B | LDPE | 80±1% | 2.43-2.53 | 110 | 2-5 |
| BL-403B | PA6 | 80±1% | 3.00-3.09 | 210 | 2-5 |
| BL-504B | PBT | 80±1% | 3.19-3.25 | 230 | 2-5 |
| BL-807A | PP | 90±1% | 3.48-3.58 | 140 | 2-5 |
| BL-807B | PP | 80±1% | 2.40-2.50 | 140 | 2-5 |
DT-1806E (flame retardant for AS/ABS/PE), DT309P (flame retardant for PP), DT-529A (flame retardant for nylon/PBT/PA). Any customized content model available according to customer’s substrate and requirements.
25kg/bag, 1000kg/pallet, shrink-wrapped and palletized; Other customized packaging available according to customer requirements.
Sodium Pyroantimonate
| ITEMS | Specification |
| Appearance | White Powder |
| Chemical Formula | NaSbO₃·3H₂O |
| Molecular Weight | 246.75 |
| Melting Point | 1200°C |
| Boiling Point | 1400°C |
| Solubility | Soluble in tartaric acid, sodium sulfide solution, concentrated sulfuric acid; slightly soluble in alcohol and ammonium salts; insoluble in acetic acid, dilute alkali, dilute inorganic acid, cold water, with excellent chemical stability |
Sodium Pyroantimonate Application
- Special clarifier for black/white and color display screen picture tube glass and photovoltaic glass;
- Clarifying and defoaming agent for high-end glass such as glass fiber, gem glass and high-grade glass tableware;
- High-efficiency flame retardant for engineering plastics, rubber, textile, building materials and so on.
Sodium Pyroantimonate Specification
| ITEMS | ATSA-62 | ATSA-60 |
| Total Sb (as Sb)/% | ≥62.0 | ≥60.0 |
| Sb³⁺/% | ≤0.3 | ≤0.3 |
| Na₂O (as Na₂O)/% | 15.0±0.5 | 15.0±0.5 |
| /Pb (as PbO)/% | ≤0.02 | ≤0.05 |
| Fe (as Fe₂O₃)/% | ≤0.006 | ≤0.01 |
| As (as As₂O₃)/% | ≤0.02 | ≤0.05 |
| Cu (as CuO)/% | ≤0.005 | ≤0.01 |
| Cr (as Cr₂O₃)/% | ≤0.005 | ≤0.01 |
| Particle Size D50 (μm) | 1.0~20 | 2.0~5.0 |
| Whiteness | ≥95 | ≥93 |
| Moisture/% | ≤0.3 | ≤0.3 |
| LOI(600°C/1h)/% | ≤10 | ≤10 |
Note: All indicators are calculated on a dry basis except humidity and fineness; product standards and packaging can be customized according to customer requirements.
Packing & Storage
- 20kg woven bag/20kg kraft paper bag/500kg FIBC/800kg FIBC
- Stable at room temperature, stored in a dry and ventilated environment to avoid moisture; stable supply for bulk orders
Colloidal Antimony Pentoxide
Physical and Chemical Properties
| ITEMS | Specification |
| Appearance | White emulsion / light yellow emulsion |
| Colloidal Sb₂O₅ Content | 20-50% |
| pH | 2-4 / 6-7 (two specifications) |
High-efficiency flame retardant synergist, widely used in Polyvinyl Chloride (PVC), chemical fiber fabrics, plastics, paper, fibers, rubber and other materials; special metal passivator for catalytic cracking in oil refining industry, effectively inhibiting nickel and vanadium poisoning of catalytic cracking agent and improving oil refining efficiency. It is an important auxiliary material for 5G communication and new energy vehicles cable materials.
Specification
| Types | Sb₂O₅(%) | (25°C)/Specific Gravity | (25°C)cps/Viscosity | As₂O₃(%) | PH2-4/Color | PH6-7/Color |
| BSL-30 | ≥26 | 1.32-1.35 | <20 | <0.02% | Light white | Light yellow |
| BSL-50 | ≥48 | 1.65-1.75 | <50 | <0.02% | Light white | Light yellow |
200kg plastic drum / 1350kg IBC ton drum; customized packaging for small batch orders available.
Application Fields
BLIT Chemical antimony-based new materials deeply serve many high-end industrial fields around the world with diversified product performance and customized solutions, and become the core material support for the upgrading and development of various industries:
- 5G Communication：Flame retardant and weather resistance modification of communication devices, cables and base station materials
- New Energy Vehicles：Flame retardant and lightweight modification of automotive plastics, rubber and cables
- Petroleum Refining：Catalytic cracking metal passivator, improving oil refining efficiency and catalyst service life
- Military Manufacturing：Flame retardant and anti-wear modification of military engineering plastics and protective materials
- Engineering Plastics：High-efficiency flame retardant synergist for PA/PBT/PP/PE and other general & engineering plastics
- Glass Ceramics：Clarification, brightening and defoaming of photovoltaic glass, display glass and high-grade ceramics
- Synthetic Fiber：Polycondensation catalyst for polyester fiber production, improving fiber quality and production efficiency
- Coating Rubber：Flame retardant, wear-resistant and performance optimization of paint, coating and rubber products
- Electronic and Electrical Appliances：High-grade flame retardant and environmental-friendly modification of electronic components, shells and cables
Cooperation & Service
BLIT Chemical always adheres to the business philosophy of customer first, quality-oriented, innovation as the soul, and provides global customers with full-cycle and integrated solutions for antimony-based new materials with stable supply and professional technical support:
- Customized R&D：Precisely develop exclusive product models according to customer’s substrate, process and application scenarios
- Stable Supply：Large-scale production base with an annual output of more than 32,000 tons to meet large quantities and continuous supply demand
- Whole-Process Quality Control：Multiple testing links from raw material procurement to finished product delivery to ensure stable product performance
- Professional Technical Support：Professional technical team provides full-process guidance on product selection, addition ratio and process optimization
- Rapid Response Mechanism：Global sales and service network, timely response to customer inquiries, orders and after-sales needs
- Green Environmental Protection Cooperation：Work with customers to achieve green manufacturing and jointly practice the global environmental protection development concept
Contact Us
E-mail：info@blitchem.com
BLIT Chemical – Your Exclusive Global Partner for Antimony Based New Materials Core Business：antimony trioxide | halogen-free flame retardant | sodium pyroantimonate | customized functional material solutions
