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Singapore Antimony sulfide
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Detailed introduction and product characteristics of antimony sulfide:
Antimony trisulfide (Sb₂S₃) is an inorganic compound. It has the following characteristics:
Chemical formula: Sb₂S₃
CAS number: 1345-04-6
Appearance: Deep red or orange-yellow powder
Solubility: Insoluble in water, but soluble in concentrated hydrochloric acid and sulfuric acid
Stability: Good stability in dry air, but prone to oxidation in humid environments
Thermal stability: Decomposes when heated to about 500°C
Carcinogenicity: Classified as a Group 3 carcinogen by the World Health Organization (cannot be classified as to its carcinogenicity in humans)
Application industries:
The main application areas of antimony sulfide include:
Matches and fireworks: Used as a friction agent and oxidizer
Glass industry: Used in the manufacture of colored glass
Rubber industry: Used as a vulcanizing agent
Optoelectronic materials: Applied in solar cells and organic optics
Friction materials: Used in brake pads, clutch plates, and other friction materials
Medicine: Has antibacterial and antiparasitic effects, used in drug preparation
Application in brake pads:
The application of antimony sulfide in brake pads is mainly based on its friction regulation and wear resistance performance:
Regulating the friction coefficient: Antimony sulfide can stabilize the friction coefficient of brake pads, ensuring consistent braking performance, especially under different temperature and humidity conditions.
Reducing noise and vibration: By optimizing the microstructure of the friction surface, antimony sulfide helps to reduce noise and vibration during braking.
Improving wear resistance: The hard particles of antimony sulfide can enhance the wear resistance of brake pads, extending their service life.
Thermal stability: The thermal stability of antimony sulfide helps maintain the performance of brake pads under the high temperatures generated during braking, preventing thermal fade.
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