Hygroscopic Agent CaO With Good Dispersion

Dispersion CaO-80 Masterbatch

Product Description
Calcium oxide absorbs water vapor to form calcium hydroxide, which allows the product to be continuously extruded and vulcanized under pressure-free conditions, avoiding sponge defects due to the presence of water vapor, so this product is especially suitable for use in hot air, vulcanization, In extruded compounds that are continuously vulcanized in bed, salt bath or microwave equipment.Hygroscopic Agent is suitable for sealing strips used in automobiles or buildings, and can be used in foamed products, especially microporous sponge rubber products.

Hygroscopic Agent Masterbatch For Rubber Dosage: 2-10 phr, depending on the amount, type and moisture content of filler.
Uses: extruded products (sealing strips, rubber hoses), tapes, conveyor belts, rubber rollers, cable sheaths, rubber floors, foam sealing strips.

DUBA Pre-dispersed Rubber Chemicals Masterbatch range

1. Foaming Agent

2. Active agent

3.  Desiccant agent, defoaming agent

4. Eco-friendly Accelerator: MBTS-75,TMTD-75, MBT-80,DPTT-70,TMTM-80,ZDEC-80,CBS-80,TBBS-80,ZDBC-80,ETU-80

Characteristics:

• Hygroscopic Properties: CaO (calcium oxide), also known as quicklime, is inherently hygroscopic, meaning it has a strong affinity for water. This property allows it to absorb moisture from the surrounding environment, making it effective for moisture control applications.

• Good Dispersion: The CaO is formulated or treated in such a way that it exhibits excellent dispersion characteristics within various matrices or systems. This ensures uniform distribution throughout the material, promoting consistent performance and desired effects.

• Moisture Absorption: Due to its hygroscopic nature, CaO with good dispersion can effectively absorb excess moisture present in its surroundings. This makes it useful in applications where moisture control is essential, such as in rubber compounding, plastics processing, and certain chemical reactions.

• pH Regulation: CaO can also act as a pH regulator due to its alkaline properties. When exposed to moisture, it reacts with water to form calcium hydroxide (Ca(OH)2), which can neutralize acids and help maintain desired pH levels in various applications.

• Improved Processing: The good dispersion of CaO facilitates its incorporation into different materials during manufacturing processes. This ensures homogeneity and ease of processing, leading to improved efficiency and quality in the final product.

• Enhanced Properties: In certain applications, the addition of CaO with good dispersion can impart specific properties to the material, such as improved mechanical strength, thermal stability, or resistance to environmental factors like humidity.

• Compatibility: CaO with good dispersion is typically designed to be compatible with a wide range of materials, including polymers, rubbers, resins, and adhesives. This versatility allows for its use in various industries and applications.

• Environmental Considerations: While CaO itself is not considered environmentally friendly due to its potential hazards and high pH, formulations with good dispersion may incorporate additives or treatments to minimize environmental impact and improve safety during handling and use.

If needed, we can supply small qty sample for lab trial any time.

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FAQ:

1. What is CaO?

CaO, also known as calcium oxide or quicklime, is a chemical compound used in various industrial applications due to its high reactivity and ability to absorb moisture.

2. What does it mean for CaO to have good dispersion?

CaO with good dispersion means that it is uniformly and evenly distributed within a material or system, ensuring consistent performance and effectiveness.

3. How does CaO with good dispersion differ from regular CaO?

CaO with good dispersion is formulated or treated to ensure that it disperses well within a matrix or system, whereas regular CaO may not disperse as uniformly, leading to uneven performance.

4. What are the primary applications of CaO with good dispersion?

CaO with good dispersion is commonly used as a hygroscopic agent for moisture control in various industrial processes, including rubber and plastic compounding, construction materials, and chemical manufacturing.

5. How does CaO with good dispersion absorb moisture?

CaO with good dispersion absorbs moisture from its surroundings through a chemical reaction with water, forming calcium hydroxide (Ca(OH)2), which helps to maintain dry conditions in applications where moisture control is critical.

6. What are the benefits of using CaO with good dispersion in rubber compounding?

CaO with good dispersion in rubber compounding helps to prevent moisture-related issues such as porosity, surface defects, and reduced mechanical properties, resulting in high-quality rubber products.

7. How is CaO with good dispersion incorporated into rubber compounds?

CaO with good dispersion is typically added during the mixing stage of rubber compounding, where it is evenly dispersed throughout the rubber matrix to ensure uniform moisture absorption and consistent performance.

8. What precautions should be taken when handling CaO with good dispersion?

CaO with good dispersion should be handled with care, as it can be caustic and may cause irritation to the skin, eyes, and respiratory tract. Personal protective equipment such as gloves, goggles, and masks should be worn when handling the material.

9. Can CaO with good dispersion be used in food or pharmaceutical applications?

CaO with good dispersion is not typically used in food or pharmaceutical applications due to its potential hazards and regulatory restrictions. However, it may be used in certain industrial applications where food contact or pharmaceutical grade materials are not required.

10. How does CaO with good dispersion contribute to environmental sustainability?

CaO with good dispersion can contribute to environmental sustainability by helping to prevent moisture-related damage and degradation in materials, thereby extending their lifespan and reducing the need for replacement or repair. Additionally, proper disposal and waste management practices should be followed to minimize environmental impact.