How to Choose Fluorine Grease for Molds | Check Operating Temperature, Sliding Conditions, and Effects on Molded Products
When selecting fluorine grease for molds, it is important to consider not only the heat resistance temperature but also the application locations and operating conditions. If you are experiencing issues with ejector pins or sliding parts seizing or malfunctioning, please check the following items.
【1】Operating Temperature and Load
Choose a product that matches the actual temperature of the lubrication points, continuous operating time, load, and operating speed.
【2】Pin Diameter and Clearance
For precision small-diameter pins, in addition to the hardness of the grease, also check the base oil viscosity and operating resistance.
【3】Gases and Gas Residues from Resins
Be cautious of corrosion from gases and operational failures due to gas residues. Confirm the chemical resistance against the resin used and the gases generated, and also perform removal of residues and inspection and cleaning of venting areas. Changing the grease alone may not resolve the issue.
【4】Impact on Molded Products
If you are concerned about oil separation or grease adhesion, review the product characteristics and the application position and amount.
【5】Cleaning and Greasing Conditions
Consider the greasing intervals, and when switching products, remove and clean the old grease according to the product instructions.
Make sure to inspect for scratches and wear on the parts before making a selection. When consulting, please provide information on the application location, temperature, resin used, and current symptoms.

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M-MLPT is a versatile fluorine grease that provides stable lubrication from -30°C to 280°C. With the addition of PTFE, it achieves high heat resistance and strong adhesion, making it ideal for precision molding.
MK-HPT is a high-temperature fluorine grease that achieves stable lubrication from -40°C to +240°C. With low evaporation and high durability, it is ideal for lubricating molds and precision equipment.
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