Which high-temperature mold release product is better - ReleaSys™ HTX-L or Slide Products Hi-Temp 1800?
- Heat Tech Systems
- Mar 29
- 4 min read
In modern manufacturing, producing high-quality parts at elevated temperatures is essential. High-temperature mold release agents ensure that molds release materials easily and maintain the integrity of the final product. This article explores two leading high-temperature mold release agents: ReleaSys™ HTX-L and Slide Products Hi-Temp 1800. We will compare their features, applications, and overall effectiveness to identify which product is the best fit for your needs.
Understanding High-Temperature Mold Release Agents
High-temperature mold release agents play a crucial role across various industries, including plastics, elastomers, metals, and composites. Manufacturing processes often reach extreme temperatures, making the right mold release agent vital for enhancing productivity and ensuring product quality.
These agents work by facilitating the easy removal of molded items, while also protecting the molds from wear and contamination. When chosen correctly, they ensure smooth operation and minimize rework and production costs. For instance, a study from the Society of Plastics Engineers found that using the right release agent can improve production efficiency by as much as 25%.
Key Properties of High-Temperature Mold Release Agents
Thermal Stability: Effective mold release agents maintain their performance at temperatures often exceeding 1800°F. For example, ReleaSys™ HTX-L is rated to operate efficiently up to 1800°F.
Lubricity: A good agent provides a smooth surface, allowing materials to release from molds without sticking. In practice, this can reduce cycle times by up to 30%.
Durability: High-quality agents form a stable barrier, protecting molds and extending their lifespan, which can minimize maintenance costs.
Non-Flammability: Safety is essential, so non-flammable products are preferred in high-temperature environments.
Application Versatility: The ability to work with various materials increases flexibility in manufacturing.
Introducing ReleaSys™ HTX-L
Miller-Stephenson’s ReleaSys™ HTX-L is a cutting-edge, non-flammable high-temperature mold release agent designed for specialty applications. By using a unique boron nitride-complex and binder system, this product provides superior surface lubricity and durability.
Features of ReleaSys™ HTX-L
Temperature Range: Capable of operating from room temperature up to 1800°F, it is ideal for high-temperature manufacturing environments.
Lubricious Coating: ReleaSys™ HTX-L creates a fine coating that delivers exceptional release properties with no residue transfer, ensuring the final product's quality remains unaffected.
Binder Technology: Its advanced binder technology allows for easier application without the need for heat curing, simplifying the entire process.
Application Areas for ReleaSys™ HTX-L
ReleaSys™ HTX-L is adaptable, with applications across:
Specialty plastic and elastomer molding, which can yield higher quality finishes.
Composite molding, where reduced sticking increases efficiency.
Dry film lubrication applications, enhancing machine performance.
Manufacturers aiming to optimize their production processes while maintaining quality can greatly benefit from using this mold release agent.
Introducing Slide Products Hi-Temp 1800

Slide Products Hi-Temp 1800 is another significant competitor among high-temperature mold release agents. Formulated with boron nitride, this product excels in maintaining lubrication performance.
Features of Hi-Temp 1800
Temperature Resilience: Like ReleaSys™ HTX-L, it performs reliably under extreme temperatures, particularly effective in high-temperature resin applications.
Metal Casting: It is particularly suited for die-casting low melting point metals like lead, zinc, and aluminum, making it a favorite in the metallurgical sector. Reports show it can enhance the lifespan of casting molds by 20%.
Compatibility: Hi-Temp 1800 works well with engineering-grade resins and glass. It is recommended for use with Ultem®, known for its exceptional strength and heat resistance.
Application Areas for Hi-Temp 1800
Hi-Temp 1800 is perfect for diverse applications, such as:
Die-casting industries, where reliability is paramount.
Molding engineering-grade resins, required in high-performance applications.
Glass production, where maintaining surface quality is essential.
The formulation delivers critical properties to enhance productivity across various manufacturing processes.
Comparing ReleaSys™ HTX-L and Hi-Temp 1800
While both products serve similar markets, key differences can inform a user’s choice.
Temperature Range
Both agents provide effective high-temperature performance, but ReleaSys™ HTX-L is rated for slightly higher use at up to 1800°F. Industries working with higher processing temperatures may find this beneficial.
Lubricity and Coating Integrity
ReleaSys™ HTX-L offers a significant advantage with its zero transfer feature, ensuring that no residue affects the surface quality of the molded parts. In contrast, Hi-Temp 1800 excels in maintaining lubrication integrity but does not emphasize residue management.
Application Flexibility
ReleaSys™ HTX-L appears more versatile, being suitable for plastics, elastomers, and composites. Its advanced binder technology simplifies application, reducing complexity.
Hi-Temp 1800 has a strong focus on metal casting, particularly for low melting point metals, making it an excellent option for foundries and similar facilities.
Key Factors for Decision-Making
When choosing a high-temperature mold release agent, consider factors beyond specifications.
Cost and Availability
Pricing significantly impacts business choices. At present, Hi-Temp 1800 is priced at $103.66, appealing to cost-conscious manufacturers. In contrast, ReleaSys™ HTX-L may vary in price but could offer long-term savings through decreased production times or defects.
Shipping Logistics
Both products have unique shipping requirements due to their chemical compositions. Hazmat regulations can complicate logistics, impacting turnaround times when shipping in bulk. Aerosol sprays provided by Heat Tech Systems (dba: plasticmoldcleaners.com) don't require any special transporation other than Ground Transportation.
Final Thoughts
Choosing between ReleaSys™ HTX-L and Slide Products Hi-Temp 1800 ultimately depends on your specific manufacturing needs.
Both high-temperature mold release agents have distinct features and advantages. ReleaSys™ HTX-L is ideal for those prioritizing versatility and ease of use, with a focus on residue-free results. In contrast, Hi-Temp 1800 is perfect for applications like die-casting where lubrication integrity is crucial.
Conducting a thorough assessment of operational requirements, costs, and user experiences will lead to informed choices. Aligning the right mold release agent with your manufacturing processes can enhance productivity and maintain the quality of your end products.
In an ever-evolving industrial landscape, adopting these high-performance solutions can be critical for remaining competitive and achieving manufacturing success.
At www.completeplastics.com and www.injectionmoldcleaners.com, we are here to help. Please contact us any time at 770.974.1263 or sales@completeplastics.com.

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