Green FKM Rubber O-Rings CS 1.5mm – Temperature & Wear Resistant

Green FKM Fluorine Rubber O-Rings – CS 1.5mm Seals & Gaskets

Keep your plumbing, hydraulic, pneumatic, and mechanical systems leak-free with these premium Green FKM (Fluorocarbon) Rubber O-Rings. With a cross-section (CS) of 1.5mm, these standard ring gaskets are engineered for demanding environments where ordinary rubber simply won't hold up.

Why Choose FKM Fluorine Rubber O-Rings?

FKM (Viton®-type) fluorocarbon rubber is widely regarded as one of the most versatile sealing materials available. These O-rings deliver outstanding performance across a broad range of industrial and household applications thanks to their exceptional material properties:

• High Temperature Resistance: Maintains integrity across extreme temperature ranges, ideal for engines, machinery, and high-heat plumbing systems.
• Chemical Resistance: Stands up to oils, fuels, hydraulic fluids, and many aggressive chemicals without swelling or degrading.
• Wear Resistance: Durable FKM compound resists abrasion, compression set, and aging for long-lasting sealing performance.
• Standard Ring Gasket Shape: Universally compatible cross-section (CS) of 1.5mm ensures a reliable, consistent seal in standard O-ring grooves.
• Distinctive Green Color: Easily identifiable for quick inventory management and correct installation on the job.

Key Specifications

• Material: FKM Fluorocarbon Rubber
• Cross-Section (CS): 1.5mm
• Color: Green
• Shape: Standard Ring Gasket
• Standard: Standard sizing for broad compatibility
• High-Concern Chemicals: None
• Made in Mainland China

Common Applications

• Hydraulic and pneumatic systems
• Automotive engines and fuel systems
• Industrial pumps, valves, and fittings
• Plumbing connections and pipe fittings
• Chemical processing equipment
• DIY mechanical and repair projects

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Frequently Asked Questions

Q: What does CS 1.5mm mean for FKM O-rings?

A: "CS" stands for Cross-Section, which refers to the diameter of the O-ring's circular profile (the thickness of the ring itself). A CS of 1.5mm means each O-ring has a 1.5mm cross-sectional diameter. This measurement is critical for selecting the correct O-ring that will fit snugly in the groove and create an effective seal.

Q: Are these FKM O-rings suitable for use with fuels and oils?

A: Yes. FKM (Fluorocarbon) rubber is specifically known for its excellent resistance to petroleum-based fuels, oils, hydraulic fluids, and many solvents. These green FKM O-rings are well-suited for automotive fuel systems, hydraulic circuits, and oil-handling equipment where standard rubber seals may fail.

Q: What temperature range can these FKM rubber O-rings withstand?

A: FKM fluorocarbon rubber O-rings are engineered to perform across a wide temperature range, typically from approximately -20°C to +200°C (-4°F to +392°F), making them suitable for high-heat engine components, industrial machinery, and other demanding thermal environments. Always verify the specific operating conditions of your application before installation.

Q: How do I choose the right size O-ring for my application?

A: To select the correct O-ring, you need to know two measurements: the Inner Diameter (ID) of the O-ring (which should match the groove or bore diameter) and the Cross-Section (CS), which is 1.5mm for this product. Measure your existing seal or groove carefully to ensure compatibility before ordering.

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.