Chlorinated Paraffin CP52 (CAS 63449-39-8) is a key industrial chemical, recognized primarily for its invaluable role as both a secondary plasticizer and a flame retardant across a multitude of applications. This versatile liquid, typically presenting as a yellowish to colorless transparent oily substance, possesses a unique set of properties that make it indispensable in various manufacturing processes. Its chemical structure, a chlorinated derivative of paraffin hydrocarbons, provides the foundation for its performance characteristics.

One of the primary functions of Chlorinated Paraffin CP52 is its application as a plasticizer. Plasticizers are additives that increase the plasticity or fluidity of a material. In the case of polymers, especially polyvinyl chloride (PVC), plasticizers like CP52 are incorporated to enhance flexibility, workability, and stretchability. This is particularly crucial in the production of flexible PVC products such as cable sheathing, flooring, films, and artificial leather. By lowering the glass transition temperature of the polymer, CP52 allows these materials to be more pliable and easier to process, while also contributing to their overall durability and longevity.

Beyond its plasticizing effect, Chlorinated Paraffin CP52 is highly valued for its flame retardant properties. The presence of chlorine in its structure interferes with the combustion process. When exposed to heat or flame, CP52 can decompose to release hydrogen chloride (HCl) gas. This gas acts as a radical scavenger in the flame zone, interrupting the chain reactions that sustain combustion. Furthermore, the formation of char on the material surface can help create a barrier that reduces the transfer of heat and fuel to the flame. This dual functionality makes CP52 an economical and effective additive for materials requiring both flexibility and enhanced fire safety, such as cables and various construction materials.

The material boasts several key technical specifications that define its quality and performance. It is typically available with a purity of 99.5% or higher. Important parameters include its density, which is around 1.275 g/cm³ at 20°C, indicating its relatively high specific gravity compared to unchlorinated paraffins. The viscosity at 50°C, often below 140-180 mPa.s depending on the specific grade (like CP52-A, CP52-B, or standard CP52), affects its ease of handling and incorporation into formulations. A high chlorine content, typically 52% minimum, is directly correlated with its effectiveness as a flame retardant and influences its plasticizing efficiency. Thermal decomposition temperature, usually specified at 160°C minimum, indicates its stability under processing conditions. Other quality indicators include heating on loss and color (Pt-Co scale).

The applications of Chlorinated Paraffin CP52 extend beyond PVC. It is also widely utilized in the rubber industry to improve flexibility and flame resistance in various rubber goods. In the realm of coatings and paints, CP52 serves as a plasticizer to enhance film formation, flexibility, and adhesion, while simultaneously contributing flame retardancy. Furthermore, it is employed as an additive in lubricating oils, where its properties can contribute to improved film strength and anti-wear characteristics under certain conditions.

The manufacturing process of Chlorinated Paraffin involves the chlorination of selected paraffin fractions under controlled conditions to achieve the desired chlorine content and chain length distribution. Rigorous quality control procedures are essential throughout the production process to ensure consistency and meet specific grade requirements demanded by different applications. Suppliers adhere to strict quality assurance protocols, often involving advanced analytical techniques, to verify product specifications before dispatch.

Key benefits of incorporating Chlorinated Paraffin CP52 into formulations include its cost-effectiveness compared to some alternative additives, its stable chemical condition ensuring long-term performance, low volatility which minimizes loss during processing and service life, and excellent electrical insulation properties, making it ideal for cable applications. Its versatility allows manufacturers to consolidate additive requirements, simplifying formulations and potentially reducing costs.

Sourcing a reliable supply of high-quality Chlorinated Paraffin CP52 is crucial for maintaining consistent product quality in diverse industries. Manufacturers and formulators worldwide depend on suppliers who can guarantee product purity, adhere to specifications, and ensure timely delivery. The global market for plasticizers and flame retardants continues to evolve, driven by demand from the construction, automotive, and electronics sectors, among others.

For businesses seeking a trusted manufacturer and supplier of Chlorinated Paraffin CP52 (CAS 63449-39-8), considering partners with extensive experience and a commitment to quality is paramount. Factors such as competitive price, available stock, minimum order quantities, packaging options (like drums or IBC containers), and logistical capabilities are important considerations when looking to buy or purchase this essential chemical. NINGBO INNO PHARMCHEM CO.,LTD. focuses on providing high-quality chemical raw materials, aiming to meet the demanding requirements of various industrial applications.