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The Benefits of Using Polypropylene Wax in Wire and Cable Compounds

by:Sainuo     2023-06-15

Polypropylene wax has been widely utilized in the wire and cable industry due to its outstanding properties. It is utilized in a variety of applications, from insulating to jacketing, to improve the quality and performance of wire and cable compounds. In this article, we will delve into the benefits of using polypropylene wax in wire and cable compounds.

What is Polypropylene Wax?

Polypropylene wax, also known as PP wax, is a thermoplastic polymer. It is produced by polymerization of propylene and used in various industries. PP wax is chemically stable and resistant to moisture, heat, and chemicals. It has a high melting point and has outstanding lubrication properties.

Benefits of Polypropylene Wax in Wire and Cable Compounds

1. Improved Processing

Polypropylene wax has a low melting point, making it easier and quicker to process. Its low viscosity enhances flow and eliminates surface defects such as pinholes. Polypropylene wax is also a perfect mold release agent, leaving no residue on the molds, which reduces downtime and lowers production costs.

2. Increased Flexibility

Polypropylene wax improves the flexibility of wire and cable compounds. It provides good plasticization and prevents the compounds from becoming too stiff. In addition, PP wax can be blended with other additives to enhance flexibility and toughness.

3. Improved Electrical Properties

Polypropylene wax is an excellent insulator and enhances the electrical properties of wire and cable compounds. It helps prevent leaks in the cable insulation, thus increasing the overall insulation resistance of the cable. Polypropylene wax is also a great flame retardant, which helps to prevent electrical fires and ensures safety.

4. Enhanced Mechanical Properties

Polypropylene wax enhances the mechanical properties of wire and cable compounds. It increases the tensile strength, impact resistance, and breaking elongation of the compounds. PP wax also improves creep resistance, which means that the cable insulation will not deform or flow under pressure.

5. Aiding in UV Stability

Polypropylene wax provides excellent UV stability to wire and cable compounds. It protects the insulation from the harmful effects of UV radiation, which can cause degradation and discoloration of the compounds. Polypropylene wax can also act as a UV absorber, which can prolong the life of the cable.

Applications of polypropylene wax in the Wire and Cable Industry

Polypropylene wax is utilized in various applications in the wire and cable industry. It is used primarily in insulating and jacketing compounds. Insulating compounds consist of a polymer matrix, filler particles, and additives that help improve properties such as electrical insulation, flexibility, and thermal resistance. Jacketing compounds protect and insulate cables by providing mechanical protection against physical damage.


In conclusion, polypropylene wax is a versatile thermoplastic polymer that has numerous advantages when utilized in wire and cable compounds. Some of the most significant advantages include improved processing, increased flexibility and mechanical properties, improved electrical and UV stability. It is a cost-effective method of improving the performance of wire and cable compounds. Given the increasing demand for high-quality wires and cables in various industries, polypropylene wax will continue to play a vital role in the manufacturing process.

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