DUPONT™ MOLYKOTE® 111 Translucent White Valve Silicone Lubricant & Sealant – 400 Gram (14 oz) Cartridge — Professional Grade Silicone Lubricant & Sealant

The DUPONT™ MOLYKOTE® 111 Translucent White Valve Silicone Lubricant & Sealant – 400 Gram (14 oz) Cartridge is a high-performance silicone lubricant & sealant manufactured by DuPont / MOLYKOTE and identified by part number 4109803. Engineered for professional use in aerospace MRO, aviation maintenance, and industrial lubrication applications, this product provides both lubrication and sealing in a single application, resists water and chemicals, and remains stable across a wide service temperature range. It is designed for use on valves, faucets, o-rings, gaskets, plastic components, and rubber seals in plumbing, pneumatic, and aerospace maintenance applications requiring a non-reactive silicone lubricant-sealant, and is compatible with rubber, plastic, metal, and elastomeric surfaces compatible with silicone compounds.

This product is formulated to meet the performance requirements of demanding aerospace and industrial lubrication applications. Available in 400 Gram (14 oz) Cartridge format, the MOLYKOTE 111 delivers consistent lubrication performance across the demanding temperature, pressure, and chemical exposure conditions encountered in aerospace and industrial service. Its formulation provides a stable lubricating film that reduces friction and wear, protects mating surfaces, and extends the service life of lubricated components.

The MOLYKOTE 111 is engineered to maintain its lubricating properties throughout the service interval without significant migration, evaporation, or degradation. This makes it particularly well-suited for applications where relubrication intervals are long, access is difficult, or component reliability is critical. Using a specification-compliant lubricant ensures that maintenance procedures meet OEM and regulatory requirements for the systems being serviced.

Apply using a clean brush, applicator, or dispensing equipment appropriate for the product viscosity. Ensure even coverage on all contact surfaces. Follow the manufacturer’s PDS for recommended film thickness and application method. Avoid contamination of the lubricant container by using clean applicators. Store in a cool, dry location away from direct sunlight and extreme temperatures. Wear appropriate PPE including gloves and eye protection when handling lubricants. Refer to the full SDS for complete safety, handling, and disposal information.

Whether you are lubricating aerospace bearings, o-rings and seals, oxygen system components, precision mechanisms, or industrial machinery, the DUPONT™ MOLYKOTE® 111 Translucent White Valve Silicone Lubricant & Sealant – 400 Gram (14 oz) Cartridge provides the specification-grade performance and reliability your operation requires. Order the 400 Gram (14 oz) Cartridge today or contact us for volume pricing, technical data sheets, and availability.

Product Specification

Technical Information

This product is formulated to meet the performance requirements of demanding aerospace and industrial lubrication applications. This lubricant is a ready-to-use formulation requiring no dilution or mixing unless otherwise specified. Apply using appropriate tools and applicators for the product type and substrate. Storage: keep in a cool, dry location between 40°F–90°F (4°C–32°C), away from direct sunlight and freezing temperatures. Shelf life is typically 2–5 years from date of manufacture in original sealed containers, depending on product type. Full Safety Data Sheet (SDS) and Product Data Sheet (PDS) are available upon request. Dispose of waste lubricant per applicable federal, state, and local environmental regulations.

Frequently Asked Questions

Q1: What surfaces and components is the DUPONT™ MOLYKOTE® 111 Translucent White Valve Silicone Lubricant & Sealant – 400 Gram (14 oz) Cartridge compatible with?
A: This silicone lubricant & sealant is compatible with rubber, plastic, metal, and elastomeric surfaces compatible with silicone compounds. Always verify compatibility with specific substrate materials and system fluids by consulting the product data sheet or contacting us for technical support before application in critical systems.

Q2: Does the MOLYKOTE 111 comply with aerospace or military specifications?
A: This product is formulated to meet the performance requirements of aerospace and industrial lubrication applications. Contact us for technical data sheets and application guidance.

Q3: How should I apply the DUPONT™ MOLYKOTE® 111 Translucent White Valve Silicone Lubricant & Sealant – 400 Gram (14 oz) Cartridge?
A: Apply using a clean brush, applicator, or dispensing equipment appropriate for the product viscosity. Ensure even coverage on all contact surfaces. Follow the manufacturer’s PDS for recommended film thickness and application method. Always follow the manufacturer’s product data sheet for specific application quantities, methods, and any required surface preparation or cleaning prior to lubrication.

Q4: What are the storage and shelf life requirements for this lubricant?
A: Store in a cool, dry location between 40°F–90°F (4°C–32°C) away from direct sunlight, heat sources, and freezing temperatures. Shelf life is typically 2–5 years from manufacture date in original sealed containers. Check the container label for product-specific expiration information.

Q5: Can I order the DUPONT™ MOLYKOTE® 111 Translucent White Valve Silicone Lubricant & Sealant – 400 Gram (14 oz) Cartridge in bulk or larger quantities?
A: Yes. While this listing covers the 400 Gram (14 oz) Cartridge format, additional sizes and bulk quantities may be available. Contact us for volume pricing, lead times, and availability to support your maintenance program or production requirements.