SUNOIT™ Industrial Mold Release Agents: The Green and Efficient Choice for Molding

Industrial mold release agents are critical processing aids that ensure the smooth operation of metal die casting, plastic injection molding, rubber vulcanization, and composite material forming. By creating a uniform separating film between the mold and the part, they enable clean demolding, eliminate sticking, tearing, and surface defects, and directly determine yield and production efficiency. SUNOIT specializes in advanced silicone materials and, with silicone oils and modified silicones at the core, has built a product portfolio that combines excellent release performance with environmental friendliness—empowering clean and efficient modern manufacturing.

The siloxane (Si-O-Si) backbone of silicone molecules imparts extremely low surface tension to the release agent, so coated mold surfaces repel most materials. Its outstanding thermal stability ensures no decomposition or carbon residue at temperatures of 250 °C or even higher, significantly reducing carbon buildup and mold cleaning frequency while effectively extending mold service life. Compared with traditional mineral oil or wax-based products, silicone mold release agents require lower dosage, offer longer-lasting release, and reduce overall costs at the source.

Our years of manufacturing experience and continuously advancing technical processes enable us to meet customers' production demands through improved quality and efficiency. Our technical know-how and application research drive ongoing product development and updates, in line with environmentally friendly and sustainable development principles. Our release agents primarily cover the following application areas:

• Footwear materials

• Polyurethane and polyurethane composites

• Metal die casting: aluminum alloy, magnesium alloy, and other alloy die casting

• Rubber

• Automotive parts

• Epoxy resin

• Cement components

In response to increasingly stringent VOC emission standards, SUNOIT continues to drive water-based and high-solids innovations. With consistent quality and flexible customization capabilities, we deliver compliant, high-performance, integrated silicone release solutions for a wide range of industries, helping customers achieve a win-win in both efficiency and environmental protection.

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