In modern manufacturing, release agents are essential materials that ensure clean separation between molds and products, preventing sticking, damage, or deformation. Silicone oil, especially polydimethylsiloxane (PDMS), is one of the most widely used and efficient ingredients in release agent formulations.

The primary advantage of silicone oil lies in its low surface tension and excellent film-forming ability. It creates a thin, uniform, and transparent layer on mold surfaces, reducing adhesion and abrasion while improving product smoothness and dimensional accuracy.

Silicone oil also boasts exceptional thermal stability, maintaining performance at temperatures above 200°C. It is ideal for molding plastic, rubber, polyurethane, and composites, making it widely used in automotive parts, appliance casings, foam footwear, and other industrial sectors.

Compared to mineral-based or water-based agents, silicone oil is more durable and efficient, requiring smaller dosages and causing less transfer to finished products. This reduces the need for post-cleaning and extends mold lifespan.

Modified silicone oils, such as hydrogen or hydroxyl-functional types, are used in semi-permanent release systems, offering stronger bonding and reusability for complex or high-value molded components.

For applications requiring painting, plating, or bonding, non-migrating or washable silicone release agents are available to minimize surface contamination and improve downstream compatibility.

In conclusion, silicone oil significantly enhances molding efficiency, product quality, and equipment longevity. It is an indispensable aid in precision and mass production settings across diverse industrial fields.

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