Product Introduction
Barium sulfate sand, also known as barite sand or radiation shielding sand coating, serves as a core raw material for radiation-proof barium sulfate mortar. It is produced through strict calcination treatment and advanced chemical precipitation processes. Adopting mature domestic precipitation technology, the finished barium sulfate sand features extremely low mechanical impurities, uniform particle size distribution and stable physical properties, and generally presents as amorphous white powder or paste.
Basic Product Information & Physical and Chemical Properties
Derived from natural barite ore, the product has a molecular formula of BaSO₄. High-purity barium sulfate delivers pure white and glossy texture, while natural subtle impurities may bring light gray, pale pink or faint yellow tones. Premium crystalline barite can even achieve a transparent appearance.It possesses stable and superior physical and chemical indicators:
- Mohs Hardness: 3.0–3.5
- Specific Gravity: 3.8–4.3
- Relative Density: 4.50 (at 15°C)
- Melting Point: 1580°C
- Chemical Stability: Chemically inert, non-magnetic and non-toxic
- Solubility: Insoluble in water, ethanol and conventional acids; soluble only in hot concentrated sulfuric acid
- Physical Traits: Prone to slight caking under dry storage conditions
- Optional Density Grades: 3.0, 3.2, 3.3, 3.5, 3.8, 4.0, 4.2 g/cm³
- Available Colors: White, off-white, gray, dark gray
- Bulk Density: 4080 kg/m³
- Barium Sulfate Purity: ≥98%
- Standard Application Thickness: 10 mm (customizable according to actual shielding requirements)
- Shielding Equivalent: 0.99 mmPb (120kV, 2.50 mmAl condition)
Core Product Features & Shielding Principle
Superior Comprehensive Performance
This barium sulfate sand features high purity, fine and evenly distributed particles, high whiteness and excellent chemical inertness. It delivers outstanding acid resistance, thermal stability and dispersibility, coupled with a high refractive index. Its powerful ray absorption capability makes it a premium filler and shielding material for industrial and medical radiation protection projects.
Professional Radiation Shielding Mechanism
The product’s reliable radiation resistance originates from barium elements with large atomic nuclei. When X-rays, gamma rays and other harmful ionizing radiation contact the material, the barium atomic nuclei can efficiently absorb and consume radiation energy, effectively blocking ray penetration and achieving stable and compliant radiation isolation effects.
Wide Application Scenarios
Industrial Applications
- Coatings, Paints & Inks: Used as an extender pigment to enhance coating durability and surface flatness for various paint and ink products.
- Plastics, Rubber & Ceramic Materials: Served as a high-performance functional filler to improve the heat resistance, aging resistance and structural stability of plastic and rubber products. Modified ultrafine barium sulfate and high-gloss barite can be applied to transparent plastic films to reduce production costs while maintaining high transparency and flexibility.
- Other Industrial Uses: Applied in drainage pipes, speakers and electrical appliances for sound insulation; used for appliance shell finishing to realize high gloss, color retention, scratch resistance and stable dimensional performance; adopted as a clarifying and defoaming agent in glass manufacturing to improve surface gloss.
Medical & Radiation Protection Applications
- High-Energy Radiation Shielding: Widely used for radiation protection in X-ray rooms, CT rooms, general radiology departments, nuclear medicine laboratories, dental imaging rooms and radiotherapy rooms. Its high density and strong ray absorption capacity meet medical-grade shielding standards.
- On-Site Protective Coating: It can be mixed with cement at a 4:1 ratio and directly plastered on walls and ceilings, providing efficient and integral radiation shielding for control rooms and accelerator facilities.
Technical Specifications
- Optional Density Grades: 3.0, 3.2, 3.3, 3.5, 3.8, 4.0, 4.2 g/cm³
- Bulk Density: 4080 kg/m³
- BaSO₄ Purity: ≥98%
- Color Range: White, off-white, gray, dark gray
- Standard Construction Thickness: 10 mm (adjustable per actual shielding demand)
- Radiation Shielding Performance: 0.99 mmPb equivalent under 120kV & 2.50 mmAl test conditions
Packaging & Storage Guidelines
Packaging Specifications: Adopts sealed woven bags with plastic lining or latex lining. Standard packing weights are 25kg/bag and 50kg/bag.
Storage & Transportation: Store in dry and well-ventilated warehouses, and keep away from colored materials to avoid contamination. Handle gently during transportation to prevent package breakage, material leakage and moisture ingress.
Procurement Suggestions: Bulk procurement is recommended to optimize overall purchasing costs. It is advisable to cooperate with qualified and reputable manufacturers to ensure stable raw material purity, consistent particle size and reliable product quality. Professional suppliers provide standardized product inspection and comprehensive after-sales support, serving as reliable long-term partners for medical-grade and industrial-grade radiation shielding engineering solutions.
