Slack wax is a type of petroleum wax that is obtained as a byproduct during the production of base oil. It is a semi-refined wax, meaning it contains impurities and a higher oil content compared to fully refined waxes like paraffin wax. Slack wax is commonly used as a feedstock for further refining processes to produce various types of waxes with specific characteristics.
One of the primary uses of slack wax is in the production of fully refined paraffin wax. It serves as the starting material for the refining process, where impurities and excess oil are removed to obtain a higher-quality wax. Fully refined paraffin wax has a wide range of applications in industries such as candles, packaging, cosmetics, and pharmaceuticals.
Slack wax itself also finds use in certain applications where the specific properties of semi-refined wax are suitable.
For example, it is used as a component in the manufacturing of certain types of candles, where a softer texture or a lower melting point may be desired. Slack wax can be blended with other waxes to achieve the desired characteristics for different candle formulations.
In addition, slack wax is utilized in the rubber industry as a processing aid and release agent. It helps prevent rubber compounds from sticking to molds and processing equipment during the manufacturing process. Its semi-refined nature allows for better compatibility with rubber compounds and facilitates the processing of rubber materials.
Furthermore, slack wax can be employed in the production of various wax-based products such as wax blends, polishes, and coatings. Its higher oil content provides additional flexibility and adhesion, making it suitable for applications that require a certain level of pliability and durability.
It’s important to note that the specific properties of slack wax can vary depending on the source and refining process. Different grades of slack wax are available to meet the requirements of different industries and applications. The refining process can involve the removal of impurities, color, and excess oil to produce different grades of slack wax with varying characteristics.
In conclusion, slack wax is a semi-refined petroleum wax that is used as a feedstock for the production of fully refined waxes. It finds applications in the manufacturing of candles, rubber processing, wax blends, polishes, and coatings. The specific properties of slack wax can be tailored through refining processes to meet the requirements of different industries and applications.