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Copper(I) oxide (for bright beads)

Copper oxide is an inorganic compound with the chemical formula CuO. It is a black oxide of copper, slightly amphoteric, and has some hygroscopic properties. It is insoluble in water and ethanol, easily soluble in acids, thermally stable, and decomposes to release oxygen at high temperatures. Copper oxide is mainly used in the production of artificial silk, ceramics, glazes and enamels, batteries, petroleum desulfurizers, and pesticides. It is also used for hydrogen production, catalysts, and green glass. Copper oxide is an inorganic substance, a black monoclinic crystalline or black to brown-black amorphous crystalline powder, which plays a role in producing blue colors in fireworks.
  • Commodity name: Copper(I) oxide (for bright beads)

Product Classification:

  • Product Description
  • National Fireworks and Firecrackers Product Quality Supervision and Inspection Center Inspection Report
    No: WAY20200634
    Sample (Product) Name Copper Oxide for Sound Beads (Type A Copper Oxide) Trademark Shengke
    Specification Model /
    Sample (Product) Level —— Sample (Product) Category ——
    Quality Level Type I Appearance and Condition Black Powder
    Entrusting Unit (Person) Liuyang Chengxiang Chemical Co., Ltd. Production Unit Address (Declared) /
    Entrusting Unit (Person) Contact Information Chen Chujun/13907498113 Production Unit (Person) Contact/Method /
    Distribution Unit (Person) / Distribution Unit (Person) Address /
    Sample Quantity 200g Sample (Product) Base /
    Production Date / Collection (Sampling) Location National Flower Inspection Center
    Sample Arrival Date 2024/5/18 Delivery (Sampling) Personnel Chen Chujun/Li Shengke
    Inspection Date 2024/5/18 Inspection Environment Natural Environment
    Inspection and Determination Basis DB43/T850-2013, 'Copper Oxide for Fireworks and Firecrackers'
    Inspection Conclusion According to the entrusted inspection requirements, the inspected items meet the DB43/T 850-2013 standard for Type I Copper Oxide for Sound Beads.
    Inspection Items Copper Oxide Measurement Unit %
    Standard or Technical Requirements 80~86 Measured Result 80.09
    Inspection Items Lead Compounds Qualitative Measurement Unit /
    Measured Result Not Detected Standard or Technical Requirements Should Not Contain
    Usage Description One of the important raw materials in the fireworks display effects, such as 'Sound Beads' and 'Chrysanthemum', and in the flower tube effects like 'Silver Explosion', 'Cedar', and 'Silver Silk Chrysanthemum'.

Key words:

Firecrackers, fireworks, chemical raw material production, chemical raw material storage

FAQ


Oxidant stability and safety issues

Easy to decompose: Many oxidants are easy to decompose when heated, damp, exposed to light or in contact with other substances, generating heat, gas and even causing an explosion. For example, hydrogen peroxide, hypochlorous acid, etc. will spontaneously decompose under certain conditions, release oxygen, and increase the risk of explosion.
Explosive: some oxidants such as chlorates, nitrates and organic peroxides, etc., after friction, impact, vibration, etc., can easily cause explosion. Therefore, special care is required during storage, transportation and use.
Toxicity and corrosiveness: Some oxidants such as bromine pentafluoride are toxic and pose a threat to human health. At the same time, they may also be corrosive to materials such as metals and damage equipment or containers.

Oxidant reactivity issues

Strong oxidation: oxidant has strong oxidation, can react violently with a variety of substances, and even cause combustion or explosion. For example, they can react violently with inflammables, organics, reducing agents, etc., generating large amounts of heat and gas.
Violent reaction with acid: most oxidants will react violently with acid and even explode. Such as potassium chlorate, benzoyl peroxide, etc. in case of sulfuric acid that explosion. Therefore, these oxidizing agents must avoid contact with acids or alkalis during storage and use.
metathesis reaction: a metathesis reaction may occur between oxidants, resulting in high temperature, combustion and even explosion. For example, nitrite reacts violently when it encounters a stronger oxidant than it.

Oxidant storage and transportation issues

Strict storage requirements: The oxidant needs to be stored in a cool, dry, well-ventilated place, avoiding direct sunlight and high temperature environment. At the same time, different varieties of oxidants should be stored in stacks, and it is strictly prohibited to mix organic combustibles.
High transportation risk: During transportation, the oxidant needs to be especially careful to avoid vibration, friction and impact. At the same time, it is necessary to select appropriate packaging materials and transportation methods to ensure safe transportation.

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