Diopside Powder (Calcium Magnesium Silicate) is refined from natural diopside ore through crushing, ultrafine grinding, multi‑stage classification and silane coupling‑agent surface modification. Featuring stable silicate crystal structure, moderate hardness and low thermal expansion coefficient, this mineral powder can reinforce wear‑resistant performance of engineering plastics. Meanwhile, it acts as sintering auxiliary raw material for ceramic production. After silane surface treatment, the po

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Product DetailsThis diopside powder is produced by selecting high‑quality natural diopside ore. The raw ore is subjected to coarse crushing, fine pulverization and precise air classification to eliminate coarse grit and impurity particles. The qualified fine powder then undergoes dry silane modification treatment. Silane coupling agent is evenly attached onto mineral particle surfaces to complete surface hydrophobic modification.

Without surface modification, raw diopside powder has hydrophilic property. When directly compounded with thermoplastic resins, poor interfacial affinity tends to trigger particle agglomeration, uneven dispersion, and may cause surface defects on molded plastic parts. Silane treatment improves the organophilic property of diopside particles, enhances interfacial bonding between mineral filler and polymer chains during extrusion and injection molding, reduces melt viscosity, and facilitates homogeneous filler dispersion inside plastic matrix.

The product exhibits moderate Mohs hardness, low thermal expansion, stable chemical inertness and low iron impurity content. When used in engineering plastics, rigid diopside particles distributed inside the resin matrix effectively improve surface scratch resistance and anti‑abrasion performance, as well as enhancing flexural modulus and dimensional stability of finished plastic components. It brings mild abrasion to processing equipment compared with hard alumina fillers.

For ceramic formulations, diopside contributes calcium‑magnesium silicate components. It reduces ceramic sintering temperature, shortens firing cycle, promotes densification of ceramic green body and optimizes production energy consumption.

Typical application fields include wear‑resistant modified PP, PA, PBT engineering plastic parts, plastic sliding components, household appliance structural components, as well as ceramic body formulations for daily‑use ceramics and industrial technical ceramics.

Packaging specification is 25 kg moisture‑proof woven bags with inner polyethylene liner. Keep packages tightly sealed in transit and storage. Store inside cool, dry warehouse to avoid moisture absorption and powder caking. Do not stack pallets excessively high to prevent bag rupture. Wear dust‑proof masks and protective gloves for powder‑handling operations.

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Diopside Powder (Calcium Magnesium Silicate) CAS 14483-19-3, Silane-Modified Wear-Resistant Filler for Plastics and Ceramics

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Jishengya Technology

Shenzhen Jishengya Technology Co., Ltd. is located in Shenzhen, a special economic zone, and is a comprehensive technology enterprise integrating independent R&D, production and sales.