barium sulfate manufacturer

TYPICAL APPLICATIONS

Note: The grinding fineness for the above for mulation is ≤25 µm.

COMPARISON EFFECT DIAGRAM

EXPERIMENTAL DATA

COMPARISON OF

EXPERIMENTAL RESULTS

The whiteness, L* and reflectivity of the M-700 precipitated barium sulfate are all higher than those of the competing products. It has excellent comprehensive performance and is an ideal reflective filler for preparing water-based radiation cooling coatings.

SEM IMAGES

PERFORMANCE INDEX

TYPICAL APPLICATIONS

DEDICATED FOR PASSIVE RADIATIVE COOLING

Advanced production technology

M series precipitated barium sulfate is synthesized by advanced calcium carbonate-sulfuric acid process at Hongzhi in Yunfu. From raw material procurement to the entire production process, strict quality control is implemented. Its performance exceeds that of ordinary barium sulfate and traditional fillers such as calcium carbonate, and has become a "special combination" in the field of radiation cooling.

Efficient infrared radiation transmission

M-series precipitated barium sulfate exhibits high infrared transparency within the 8–13 μm atmospheric window, creating pathways for heat conduction that facilitate heat dissipation into space. It typically lowers temperatures by 3–5°C, with reductions of 10–30°C achievable under ideal conditions. Higher product purity and a narrower particle size distribution result in superior infrared transmittance, enabling the specialized M-series to achieve highly efficient passive cooling.

Full-spectrum scattering coverage

M series achieves efficient scattering of sunlight of different wavelengths by precisely controlling the particle size distribution (0.7um - 1.5um), avoiding reflection blind areas caused by a single particle size. We can also combine a single model with other types of customer formulations.

Ultra-high solar light reflection rate

The L* of M series is > 99.5, with almost no impurities and no elemental sulfur or free sulfur. This gives the well done products a solar light reflection rate of > 95%, significantly superior to the pure nano-SiO2 system (with a reflection rate of only 92%).

Good dispersion

M series features uniform particle size and low surface energy design, ensuring uniform dispersion without agglomeration in coatings and films. This effectively reduces the increase in haze and loss of transmittance caused by particle agglomeration, guaranteeing the optical consistency and surface gloss of the coating.

Low oil absorption, good filling property

M series has an oil absorption of 11-13g/100g. Even when added in high concentrations, the radiation cooling coating can still maintain excellent fluidity and rheological properties.

Excellent processing performance, suitable for various production processes

M series does not contain harmful substances and complies with global environmental protection standards. At the same time, it can significantly increase the solid content of the coating and reduce the emission of volatile organic compounds (VOCs). From production to application, the entire chain adheres to the concept of green and low-carbon, helping enterprises easily meet environmental protection compliance requirements.

Chemically stable, radiation cooling products are more durable

M-series precipitate barium sulfate exhibits excellent chemical inertness, outstanding resistance to acids and alkalis, and superior weatherability. It effectively enhances the water resistance and chemical resistance of coatings, extending the service life of radiation cooling products. Even under harsh outdoor conditions, it maintains stable cooling performance over the long term.

Mohs hardness is low

M series causes minimal wear on production equipment, prolongs the equipment's service life, and reduces the operating costs for enterprises.

APPLICATION PRINCIPLE

MARKET APPLICATION REQUIREMENTS