Parameter | Details | Professional Buyer Concerns |
Chemical Name | Light Calcium Carbonate | Chemical purity and composition |
Formula | CaCO3 | Accuracy of formula representation |
Particle Size | Micro-fine to ultra-fine | Impact on reinforcement and dispersion |
Specific Gravity | Typically around 2.4-2.7 | Density and volume utilization in rubber |
Oil Absorption | Moderate to high | Affects processing and compound viscosity |
Whiteness | ≥90% | Aesthetic appeal and color consistency in rubber products |
pH Value | Slightly alkaline due to manufacturing residuals | Potential impact on rubber vulcanization and aging |
Reinforcement Effect | Significant in micro-fine and ultra-fine grades | Strength, tear resistance, and abrasive wear |
Dispersion in Rubber | Excellent due to surface treatment | Ease of mixing and compound homogeneity |
Surface Treatment | Fatty acids, resin acids, silane coupling agents, etc. | Improved affinity with rubber and reinforcement |
Hardness Adjustment | Contributes to hardness adjustment in rubber compounds | Control over final product hardness |
Sulfurization System Compatibility | Non-reactive, does not interfere with vulcanization | Consistency in rubber processing and product quality |
Durability | Enhanced wear resistance and long-term performance | Extended product lifespan and reduced replacement costs |
Cost-Effectiveness | Lower cost compared to premium fillers | Cost optimization in rubber formulation |
Supplier Reliability | Established track record, quality control measures | Assurance of consistent product quality and supply |
Here is a detailed description of durable light calcium carbonate for rubber applications
High Durability and Wear Resistance:
Professional buyers prioritize durable light calcium carbonate that significantly enhances the wear resistance of rubber products. This ensures longer product lifespans and reduces the frequency of replacements, thereby lowering overall costs.
Excellent Reinforcement and Strengthening Effect:
Light calcium carbonate, especially in micro-fine and ultra-fine grades, provides significant reinforcement to rubber compounds. This contributes to improved strength, tear resistance, and abrasive wear resistance, making it an ideal choice for demanding applications.
Uniform Dispersion and Homogeneity:
Properly treated light calcium carbonate exhibits excellent dispersion in rubber compounds, ensuring a homogeneous mixture. This is crucial for maintaining consistent product quality and performance.
Surface Treatment for Improved Compatibility:
Surface-treated light calcium carbonate has improved affinity with rubber matrices, enhancing the interaction between the filler and the rubber. This leads to better reinforcement and overall performance of the rubber compound.
Cost-Effective Solution:
Compared to other fillers, durable light calcium carbonate offers a cost-effective solution for rubber formulation. It allows for cost optimization without sacrificing product performance or quality.
Consistency in Quality and Supply:
Professional buyers value suppliers that can provide consistent quality and reliable supply of light calcium carbonate. This ensures uninterrupted production and minimizes disruptions in the supply chain.
Compatibility with Rubber Processing and Vulcanization:
Light calcium carbonate should be compatible with the rubber processing and vulcanization systems used. This ensures that the rubber compound maintains its desired properties and performance throughout the manufacturing process.
Aesthetic Appeal and Color Consistency:
High whiteness and consistent color of light calcium carbonate contribute to the aesthetic appeal and color consistency of rubber products. This is particularly important for applications where visual appeal is a key factor.
Environmental and Safety Considerations:
Professional buyers also consider the environmental and safety aspects of light calcium carbonate. They look for suppliers that adhere to strict environmental standards and ensure the safe handling and disposal of the product.
Customization and Technical Support:
The ability to customize light calcium carbonate to meet specific application requirements is another key concern for professional buyers. They value suppliers that offer technical support and expertise to help optimize the use of the product in their rubber formulations.
