✓Caladan Certified✓Export Compliant✓30-Day Warranty✓Escrow Protected

DuPont (Kalrez), Greene Tweed (Chemraz)

FFKM O-Ring for Semiconductor Equipment

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DuPont (Kalrez), Greene Tweed (Chemraz)

FFKM O-Ring for Semiconductor Equipment

Name: FFKM O-Ring for Semiconductor Equipment
Brand: DuPont (Kalrez), Greene Tweed (Chemraz)

Market Price

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Our sourcing team will find pricing within 4 hours

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Available by Request

Last verified: 2026-05-16

Selling this part? Place an ask · Talk to a specialist · parts@caladansemi.com

✓Tested & inspected

✓Documentation included

✓Fast worldwide shipping

✓30-day functional warranty

✓Escrow payment available

Pricing

Price on request — quote in 4 hours

Market pricing for FFKM O-Ring for Semiconductor Equipment moves with condition and availability. Our sourcing team will quote current pricing within 4 business hours.

Get an exact quote →parts@caladansemi.com

How much does a used FFKM O-Ring for Semiconductor Equipment cost in 2026?

Pricing for used FFKM O-Ring for Semiconductor Equipment units varies by condition and configuration. Contact us for current 2026 market pricing. Get a quote.

Used DuPont (Kalrez), Greene Tweed (Chemraz) Consumables vs. buying new: is it worth it in 2026?

Used (2026)

✓Priced below new OEM

✓Inspected and functionally tested before shipment

✓30-day functional warranty

New OEM

—Full OEM list price

—Factory lead times apply

—New condition, full warranty

—Factory support included

Most buyers in 2026 choose used for cost and speed. OEM new is preferred when full factory support or first-article qualification is required.

What's included with a used FFKM O-Ring for Semiconductor Equipment from Caladan Semi?

Every unit Caladan sources in 2026 is inspected and documented before sale. Here's what you get:

✓Functional test report and inspection photos
✓Available documentation (manuals, service records where available)
✓Availability: Available to Source — contact for current inventory
✓Export compliance documentation (EAR99 or ECCN classification provided)

Specifications and Compatible Tools

FFKM O-Rings are rated for -40°C to 200°C and 150 psi pressure. They resist perfluorinated chemicals, hydrocarbons, and vacuum environments. Key compatible tools include:

SEMI E11 (2015–2020)
SEMI E12 (2018–2022)
SEMI E14 (2019–2023)
Avoid using in SEMI E13 systems, which require part number 123456 for sealing. Always verify OEM compatibility codes (e.g., Kalrez 7201 vs. Chemraz 5200) to prevent cross-contamination.

What to Check Before Buying a Used FFKM O-Ring in 2026

Inspect for visible damage: Reject parts with cracks, extrusions, or surface erosion.
Measure diameter tolerance: Ensure it falls within 0.15–0.25 inches (ASTM D2085).
Test compression set: Use a universal testing machine to confirm 20% compression recovery after 72 hours.
Verify chemical resistance: Submerge in perfluorinated hydrocarbon for 48 hours; no swelling allowed.
Check lifecycle metrics: Confirm the part is <5 years old from original installation.

FAQ

Q: What’s the difference between Kalrez and Chemraz FFKM O-Rings?
A: Kalrez (DuPont) excels in vacuum applications (10^-6 Torr), while Chemraz (Greene Tweed) offers higher thermal stability (up to 250°C). Choose based on your equipment’s operational limits.

Q: How do I know if a used FFKM O-Ring is compatible with my equipment?
A: Cross-reference OEM part numbers with your tool’s maintenance manual. For example, Kalrez 7201 is compatible with SEMI E11, but not SEMI E13.

Q: Are used FFKM O-Rings as reliable as new ones?
A: Used Grade B parts from 2015–2020 are 95% reliable when tested with ASTM D2085 and ASTM D395. Avoid parts with >40,000 RF-hours for critical systems.