Choosing the Best Mold Release Agent
- Heat Tech Systems
- Mar 16, 2025
- 4 min read
Updated: Mar 17, 2025

How to Choose the Best Mold Release Agent
Finding the best mold release agent is one of the easiest methods to boost production and prolong the lifespan of your molds in both injection molding and blow molding. Mold releases agents like 40810 serve as a lubricant coating, preventing parts from sticking and reducing excess resin accumulation within the injection mold. By forming a barrier between the mold and the resin, they stop the two from adhering to each other, which could harm the machine. However, with numerous choices available, selecting the ideal mold release agent for your application can be challenging.
There isn't a universal solution for mold releases, which is why we offer over 25 distinct formulas at plasticmoldcleaners.com (dba Heat Tech Systems, Inc). Each mold release formula is crafted for particular materials and applications to enhance production efficiency and outcomes. Below, we've outlined some typical uses of mold release agents and our recommended products to handle those challenging parts.
Food-Related Parts Mold Release
A large number of our mold release agents are either NSF-certified or food-grade, indicating that they are recommended and approved for use in plastic molding facilities producing plastic components for food-related applications. This specification is crucial for ensuring that food packaging remains safe and uncontaminated.
Pure Eze Mold Release Agent (No. 45712N): 45712N mold release agent is intended for use in food and medical molding applications, is free of solvents, and contains no lecithin.
Silicone Mold Release Agent (No. 40112): 40112 is suggested for food-packaging plastic molding to enable quicker molding and increased production.
E/S Silicone Mold Release Agent (No. 44312): 44312 mold release formula is water-based, free of chlorinated solvents, and approved for use with food.
In Case of Elevated Mold Temperatures
High temperatures shouldn't stop you from using mold release agents. Opt for a solution that can withstand the heat.
Hi-Temp 1800 Mold Release Agent (No. 44110A): The 44110-mold release agent works efficiently at temperatures up to 1800°F/982°C, offering effective release for engineering-grade resins, as well as metals and glass with low melting points.
For Immediate Mold Releases
If you aim to drastically cut down downtown, plasticmoldcleaners.com offers a quick line of mold releases. These formulas dry quickly on both hot and cold molds, allowing you to resume operations promptly and manufacture more parts.
Quick Silicone Mold Release Agent (No. 44612): 44612 silicone mold release is suitable for food applications under hot molding conditions.
Quick Paintable Mold Release Agent (No. 44712): 44712 paintable release creates a smooth, dry film for rapid processing.
Quick Lecithin Mold Release Agent (No. 44812): 44812 Lecithin is a non-silicone, food-safe, and paintable mold release spray that does not affect part bonding.
Designed for Heavy-Duty Use Mold Release
If your molding processes demand additional release solutions, we offer the right formulas. Our heavy-duty mold release agents succeed where others have not, effectively eliminating "sticky parts" permanently.
Heavy-Duty 10% Mold Release Agent (No. 54912): Heat Tech Systems' 54912 is their most potent mold release, featuring the highest concentration of active ingredients. 54912 mold release agent is non-silicone, food-grade, and suitable for painting.
SSL Mold Release Agent (No. 42112N): 42112N is affordable, robust silicone-based mold release aerosol is suitable for food-related molding applications.
Polycarbonate Mold Release Agent (No. 41412): 41412 is a potent formulation uniquely designed to serve as a mold release for polycarbonate resins.
Regarding Thermoset Resins
plasticmoldcleaners.com (doing business as: Heat Tech Systems) through Slide Products offers specialized formulas for addressing troublesome thermoset resins. Thermoset mold release agents are perfect for injection molding, compression molding, and transfer molding, allowing you to effectively clean molding machines.
Thermoset Mold Release Agent (No. 45414): 45414 is engineered to withstand the elevated temperatures and pressures involved in thermoset molding.
DFL Dry Film Lube Mold Release Agent (No. 41112N): 41112N is ideal for use with most rubber and thermoplastics, such as ABS, polycarbonate, nylon, and vinyl.
DuraKote Mold Release Agent for Thermosets (No. 41712): 41712 is a semi-permanent release agent for molding urethane and epoxy.
Urethane Mold Release Agent (No. 45812H): 45812 is mold release, which cannot be painted over, works well for all types of polyurethanes, including rigid, semi-rigid, and flexible urethane foams.
For A Light Release
When strong active ingredients aren’t necessary, clean sticky molds with a more delicate solution. Light-duty mold releases are a great way to offer a defense without hurting the machine.
EconoMIST Mold Release Spray (No. 41612N): 41612N is a lightweight mold release formula that offers protection and is safe for use in food applications.
Knock Out Mold Release Agent (No. 46612N): 46612 is a lightweight, dry coating that excels at preventing parts from adhering to injection molds. This mold release is of good quality, non-silicone, and can be painted over.
Paintable Mold Release Agent (No. 40012N): 40012N is suitable for all plastics, this mold release agent serves as an ideal base coat for components that require painting, hot stamping, or metallization.
At plasticmoldcleaners.com, our aim is to optimize your molding process. We provide solutions for various molding and mold-making operations that consistently enhance performance. Our customer service distinguishes us to our clients. Whether you have a few questions or need comprehensive training in plastics processing, we are here to offer our products and expertise to support you. Visit our website to discover more about our extensive range of mold releases or contact us for help with your specific operation.




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