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For professionals in the rubber industry, a deep understanding of material specifications is crucial for optimizing product performance and ensuring consistency. Carbon black, a vital filler and reinforcing agent, has several key metrics that dictate its behavior in rubber compounds. NINGBO INNO PHARMCHEM CO.,LTD., as a leading chemical auxiliary agent supplier, aims to demystify these specifications for procurement managers and R&D scientists. Let's explore the importance of parameters like Iodine Absorption Value and DBP Absorption Value when you buy carbon black.
Iodine Absorption Value, measured in grams per kilogram (g/kg), is an indicator of the total surface area of the carbon black particles, including both external and internal porosity. A higher iodine absorption value generally signifies smaller primary particle size and higher surface area. For instance, Carbon Black N330 typically exhibits an iodine absorption value of around 82 ± 7 g/kg. This metric is directly correlated with the carbon black's ability to reinforce rubber, influencing properties like tensile strength and abrasion resistance. Selecting a manufacturer that consistently adheres to these specifications is vital for predictable outcomes.
DBP (Dibutyl Phthalate) Absorption Value, measured in cubic centimeters per 100 grams (cm³/100g) or 10⁻⁵m³/kg, reflects the structure or aggregation of carbon black particles. It indicates how much DBP the carbon black can absorb before becoming a paste. A higher DBP absorption value suggests a more developed structure, leading to increased rubber viscosity and improved processing characteristics like extrusion and mold flow. For N330, the DBP absorption value is typically around 102 ± 7 cm³/100g. This is a critical factor for formulators looking to achieve optimal processability.
When you purchase carbon black, understanding these specifications allows you to select the most appropriate grade for your application. For example, if high abrasion resistance is paramount, as in tire treads, a grade with higher surface area (indicated by iodine absorption) like N330 might be preferred. If ease of processing and specific rheological properties are key, the DBP absorption value will play a more significant role. As a dedicated supplier, NINGBO INNO PHARMCHEM CO.,LTD. provides detailed specifications for all our products, including various grades of carbon black.
Ensuring you source from a reputable China manufacturer like NINGBO INNO PHARMCHEM CO.,LTD. guarantees that these critical specifications are met consistently. This not only helps in achieving the desired product performance but also in maintaining cost-effectiveness through reduced batch-to-batch variation and fewer processing issues. We encourage you to consult with our technical team to discuss how our carbon black grades can best meet your formulation needs. Request a sample to verify the quality and performance for yourself.
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1. 20 years of R&D, manufacturing and sales experience, serving customers in 60 countries and regions around the world;
2. Own R&D laboratory, pilot platform and large-scale production workshop, which can meet the audit requirements of global customers;
3. We can satisfy customers' perfect transition from small scale lab requirements (gram level) to commercialization requirements (hundred tons level).
A: We don't have Minimum Order Quantity, exact quantity should be provided before quotation for us to calculate the exact cost.
A: We don't provide free samples due to lots of request and expensive international courier's cost, we can deduct the sample charge after commercial order placed.
A: Our payment terms: Small or sample order: T/T IN ADVANCE. Commercial order: First order should be by T/T IN ADVANCE or L/C at sight, and following orders T/T 30~90days is acceptable subject to approval of credit application.
