10PCS White VMQ Silicone O-Rings CS1.8mm | Plumbing & Machinery

10PCS White VMQ Silicone O-Ring Gasket Set — CS1.8mm | ID 34.5–50mm

Keep your machinery, plumbing, and equipment leak-free with these high-quality White VMQ Silicone O-Ring Gaskets. Sold in a convenient pack of 10, these ring gaskets deliver outstanding elasticity and durability for a wide range of industrial and household sealing applications.

Key Features

• Material: Premium VMQ (Vinyl Methyl Silicone) Rubber — food-grade safe, odorless, and non-toxic
• Cross-Section (CS): 1.8mm for a precise, consistent seal
• Inner Diameter (ID): Available in sizes from 34.5mm to 50mm — check the variant selector for your exact size
• Shape: Standard ring gasket profile for universal compatibility
• Color: Clean white finish for easy identification
• Pack Quantity: 10 pieces per lot

Why Choose VMQ Silicone?

• ✅ Excellent Elasticity: Stretches and returns to shape without deforming over time
• ✅ Wide Temperature Range: Withstands extreme heat and cold, maintaining a reliable seal
• ✅ Chemical Resistance: Resistant to water, steam, oils, and many common fluids
• ✅ Long Service Life: Resists aging, UV, and ozone degradation
• ✅ Standard Sizing: Meets standard O-ring dimensions for easy cross-referencing and replacement

Common Applications

• Plumbing fittings, valves, and pipe connectors
• Hydraulic and pneumatic machinery systems
• Pumps, compressors, and fluid transfer equipment
• Automotive components requiring high-temp sealing
• Food processing and laboratory equipment
• General-purpose mechanical sealing and repairs

Product Specifications

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Frequently Asked Questions

Q: What does VMQ silicone mean, and why is it used for O-rings?

A: VMQ stands for Vinyl Methyl Silicone, a type of silicone rubber compounded for excellent flexibility, wide temperature tolerance, and strong chemical resistance. VMQ silicone O-rings maintain their elastic sealing properties across a broad range of temperatures and resist degradation from water, steam, and many oils — making them a popular choice for plumbing, machinery, and industrial sealing applications.

Q: How do I choose the correct O-ring inner diameter (ID) size?

A: Measure the groove or shaft that the O-ring fits into. The inner diameter should match the inner dimension of the groove or the outer diameter of the shaft it seals against. For this listing, available IDs range from 34.5mm to 50mm with a 1.8mm cross-section. Select your exact required size from the variant options before adding to cart.

Q: Are these silicone O-rings suitable for use with food or drinking water equipment?

A: VMQ silicone rubber is widely recognized as food-grade safe — it is odorless, non-toxic, and resistant to typical food-contact fluids. These white silicone O-rings are suitable for use in food processing, beverage dispensing, and water system applications where non-reactive sealing materials are required.

Q: Can these O-rings handle high-temperature environments?

A: Yes. VMQ silicone rubber is known for its outstanding thermal stability and can withstand both high heat and low-temperature conditions without cracking or losing its sealing integrity, making it ideal for steam, hot water lines, and machinery operating under elevated temperature conditions.

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.