5-Pack Red VMQ Silicone O-Rings CS1.8mm ID 45–75mm Gaskets

5-Pack Red VMQ Silicone O-Rings – CS1.8mm | ID 45–75mm

Keep your machinery and plumbing connections leak-free with these premium Red VMQ Silicone O-Rings. Each pack contains 5 high-elasticity rubber gaskets with a cross-section of 1.8mm and inner diameters ranging from 45mm to 75mm. Made from food-grade-compatible VMQ silicone rubber, these standard-size ring gaskets deliver outstanding compression resistance, excellent flexibility, and long-lasting sealing performance across a wide range of temperatures.

Made in Mainland China.

Why Choose These VMQ Silicone O-Rings?

• Premium VMQ Silicone Material: High-purity silicone rubber ensures superior elasticity and shape retention under repeated compression cycles.
• Wide Temperature Range: Suitable for both high- and low-temperature environments, making them ideal for demanding machinery and plumbing applications.
• Chemical Resistance: Resistant to oils, water, and many common solvents — perfect for fluid sealing applications.
• Standard Dimensions: CS1.8mm cross-section with ID options from 45mm to 75mm to fit a broad variety of standard grooves and fittings.
• Pack of 5: Convenient multi-pack ensures you always have a spare on hand for maintenance or replacement.
• Versatile Use: Suitable for machinery, plumbing, hydraulic systems, pneumatic systems, pumps, valves, and more.

Specifications

Common Applications

• Plumbing pipe joints and fittings
• Industrial machinery and equipment seals
• Hydraulic and pneumatic systems
• Pumps and valves
• Automotive fluid systems
• General-purpose sealing and gasketing

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Frequently Asked Questions

Q: What does VMQ mean and why does it matter for silicone O-rings?

A: VMQ stands for Vinyl Methyl Silicone, a type of silicone rubber compound known for its excellent thermal stability, high elasticity, and resistance to oils and water. VMQ silicone O-rings maintain their sealing performance across a wide temperature range, making them a reliable choice for demanding machinery and plumbing applications.

Q: What inner diameter (ID) sizes are available in this pack?

A: These red VMQ silicone O-rings are available in inner diameters ranging from 45mm to 75mm, all with a cross-section (CS) of 1.8mm. Please select the specific inner diameter you need at the time of purchase to ensure a proper fit for your application.

Q: Are these silicone rubber gaskets suitable for high-pressure plumbing systems?

A: These VMQ silicone O-rings are designed for standard sealing applications in plumbing, hydraulic, and pneumatic systems. While they offer good compression resistance and elasticity, always verify that the pressure and temperature ratings of the specific size you select are compatible with your system's operating requirements before installation.

Q: How many O-rings come in each pack?

A: Each pack contains 5 red VMQ silicone O-ring gaskets of the same inner diameter, giving you spares for maintenance, replacements, or backup stock.

Production & Packaging Notice

To maintain high stock availability and fast shipping times, our items are sourced from multiple verified manufacturing facilities. While the core quality, materials, and product specifications remain identical, you may notice slight variations in the packaging design, manufacturing origin, or the wording of the printed instructions.