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  6. Mold grease for O-rings and packing

Mold grease for O-rings and packing

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MK-OPA

last updated:Jul 25, 2025

エムアンドエム
エムアンドエム
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Differentiation through adhesion - High-performance grease specifically for O-rings and packings.

MK-OPA is a specialized grease designed to enhance the lubrication and sealing properties of O-rings and gaskets. It has excellent compatibility with rubber materials and maintains adhesion for extended periods. It is also compatible with resins and elastomers, making it suitable for a wide range of sealing materials. It is easy to extrude and can be applied using either a grease gun or by hand. In molding environments and maintenance applications, it contributes to extending the lifespan of components and reducing troubles.

    Plastic MouldPress DiesLubricants
Oリング・パッキン(300-300).jpg

Mold grease for O-rings and packing

Oリング・パッキン(300-300).jpg
Oリング・パッキン(300-300).jpg
  • Related Link - https://mandm-goldengrease.com/mold-grease/mold-gr…

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basic information

Product Name: MK-OPA (Mold Grease for O-Rings and Packings) Certification Standard: NSF-H1 (Lubricant for Food Machinery) Operating Temperature Range: -20°C to 230°C Thickening Agent: Silica Base Oil: Silicone-based Consistency (NLGI): No.2 (Medium hardness) Appearance: Translucent type Water Resistance: Excellent (Maintains performance even in wet environments) Chemical Stability: High (Difficult to degrade resins and molds) Harmful Components: Free from lead, molybdenum, and other harmful substances Main Target Materials: Mold components, plastic resins, food container molding mechanisms

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Applications/Examples of results

✅Usage  Lubrication during O-ring installation  Protection and sealing enhancement of rubber gaskets  Sliding parts of resin and elastomer components  Greasing of the gasket parts in molding dies  Lubrication of sealing components in pneumatic and hydraulic equipment ✅Performance Record  O-ring lubrication and sealing performance improvement for injection molding machines  Measures to prevent seal degradation in pneumatic cylinders  Lubrication use during gasket replacement in food packaging machinery  Ensuring sliding properties in automotive parts assembly processes  Long-term protection and wear reduction of rubber components

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Mold grease for O-rings and packing

Mold grease for O-rings and packing

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Special grease for various molds

Special grease for various molds

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News about this product(1)

Differences in the uses of fluorine grease and silicone grease.

What is the difference between fluorine grease and silicone grease?

  • Product news

Fluorine grease and silicone grease are both lubricants with excellent heat resistance and chemical resistance, but there are clear differences in their applications and performance. Fluorine grease is primarily composed of PFPE (fluorinated oil) and PTFE, characterized by its excellent stability in high-temperature and chemical environments. For example, it maintains stable performance over a wide temperature range of -25°C to 280°C and is less affected by chemicals and solvents, making it suitable for lubricating sliding parts of molds and precision components. On the other hand, silicone grease is based on silicone oil and is characterized by its low tendency to damage rubber and resin, as well as its excellent waterproofing and insulation properties. Therefore, it is suitable for areas where material protection is important, such as O-rings, gaskets, and waterproof applications. In summary: - High temperature, chemical resistance, long lifespan → Fluorine grease - Waterproof, rubber protection, insulation → Silicone grease It is important to differentiate between them based on their uses. Selecting the appropriate lubricant according to the usage environment leads to trouble prevention and improved maintenance efficiency.

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エムアンドエム

エムアンドエム

Machine elements and parts

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M&M Corporation is a comprehensive import trading company based in Yokohama, specializing in mold parts and lubricants. We import high-quality mold-related products from around the world and supply them to the molding and mold industry in Japan. Our main product offerings are as follows: - High-temperature lubricants "Golden Grease" series - Universal mold fluorinated grease (such as Super Lube) - Grease specifically for molds based on application - Quick couplings for molds (Parker nipples and Parker couplers) - Compatible fittings for DME "MMG series fittings" (high precision and high durability design) - Mold counters (manufactured by Progressive Components in the USA) We develop and sell lubricants optimized for specific applications, offering a product lineup tailored to needs, such as those focused on rotating parts or sliding parts. Our products are adopted in many mold manufacturers and molding manufacturers' sites and have received positive feedback. Additionally, we also accommodate transactions with retailers, so please feel free to contact us.

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