Classification and Application of Release Agents

As an important auxiliary material in industrial production, mold release agents not only improve the efficiency of the molding process, but also effectively improve the quality of products. Against the backdrop of growing demands for environmental protection and high performance, new mold release agents are being developed and applied continuously to provide more efficient and greener solutions for modern industry.

Solvent-based release agent

A release agent based on organic solvents, commonly used in metal die-casting and rubber molding. It is volatile and can quickly form a uniform release film after coating.

Semi-permanent release agent

This release agent can form a durable coating on the mold surface, can be used multiple times without frequent coating, is suitable for mass production, and improves production efficiency.

Non-silicone release agent

Developed for some products that require subsequent processing (such as spraying, bonding, etc.) to avoid affecting subsequent processes due to silicon residues.

Silicone-based release agent

A release agent containing silicone oil or silicone resin has excellent thermal stability and lubricity, and is widely used in the molding process of plastics and rubber products.

Water-based release agent

With water as the main solvent, it is a representative of environmentally friendly release agents. Water-based release agents are low-volatile, non-toxic, and non-flammable, suitable for production environments with high environmental and safety requirements.

Reduce adhesion

Form an isolation film between the mold and the product, significantly reduce adhesion, and make the product easily separated from the mold.

Protect the mold

The isolation film can reduce mold surface wear and extend the mold life.

Improve product quality

The release agent can make the product surface smoother, without defects such as bubbles and cracks, thereby improving the appearance and performance of the product.

Improve production efficiency

Reduce downtime caused by product sticking to the mold and improve production line operation efficiency.

Plastic processing

In injection molding and extrusion processes, release agents are widely used in the production of various plastic products, especially in mold molding of complex structures.

Metal die casting

Release agents play an important role in the die casting process of metals such as aluminum and zinc, helping to quickly demold and reduce mold wear.

Rubber products

The adhesion of rubber during molding is strong, and release agents can effectively reduce adhesion and improve product quality.

Composite materials

In the molding of composite materials such as fiberglass and carbon fiber, release agents can ensure smooth demolding of products and maintain the integrity of the mold surface.

Food and medicine

Special food-grade or medical-grade release agents are used in the production of food packaging materials and pharmaceutical packaging to ensure safety and no residue.

Choose the right release agent

Different materials and molding processes require matching release agents to ensure the best effect.

Control the dosage

Excessive or insufficient release agent application will affect the demoulding effect, so it should be used reasonably according to the instructions.

Avoid contamination

Ensure that the release agent will not have an adverse effect on the subsequent processing of the product (such as painting, bonding).

Keep the mold clean

Clean the mold surface regularly to avoid the accumulation of release agent residues that affect production quality.

Release agent is a special chemical material applied to the mold surface, which can form an isolation film between the mold and the product, effectively preventing the product from adhering to the mold surface, thereby achieving easy demoulding of the product. Release agent plays an important role in the fields of injection molding, die casting, rubber molding, fiberglass manufacturing, etc., providing a guarantee for improving production efficiency and product quality.

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