CAS 471-34-1 Calcium Carbonate CaCO3 Needle Single Crystal Whisker

CAS 471-34-1 Needle Single Crystal Under Microscope Calcium Carbonate Whisker CaCO3 Crystal Whisker

Calcium carbonate whiskers, also known as calcium carbonate fibers or calcium carbonate nanofibers, are elongated crystalline structures of calcium carbonate with a high aspect ratio. They are typically produced through specialized manufacturing processes that involve the precipitation and growth of calcium carbonate crystals in a controlled manner.

Description :

Appearance: Calcium carbonate whiskers have a fibrous or needle-like morphology, with lengths typically ranging from a few micrometers to several millimeters. The diameter or width of the whiskers is usually in the nanometer range.

Composition: Calcium carbonate whiskers are composed of calcium carbonate (CaCO3), the same chemical compound found in various forms such as limestone, chalk, and marble.

Da Sheet

Length: 20-30μm, 30-40μm, 50-80μm
Diameter: 0.5-1.2μm
Aspect ratio: 20-30
pH value: 9-9.5
Moisture: 0.3%
Oil absorption capacity: 50ml/g
Thermal stable temperature: 640
Solubility: insoluble in water
Appearance: White needle-like solid under microscope

Function and Applications:

1. Reinforcement: Calcium carbonate whiskers are often used as reinforcing fillers in polymer composites. Due to their high aspect ratio, they can improve the mechanical properties of the composite materials, such as stiffness, strength, and impact resistance. They are particularly useful in applications where high-performance materials are required.

2. Functional Additive: Calcium carbonate whiskers can act as functional additives in various industries. They can enhance the properties of coatings, paints, adhesives, and sealants by improving the hardness, durability, and wear resistance. Additionally, they can contribute to the formation of a smooth and uniform surface finish.

3. Catalysis: In some cases, calcium carbonate whiskers can exhibit catalytic properties. They may be used as catalyst supports or as catalysts themselves in certain chemical reactions, including those related to environmental remediation or industrial processes.

4. Filtration and Separation: The high aspect ratio and fine structure of calcium carbonate whiskers make them suitable for filtration and separation applications. They can be used in filtration membranes or as additives in filter media to improve the efficiency and selectivity of separation processes.

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