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Various (Heraeus, Momentive, Saint-Gobain)

Used 8-Inch Quartz Tube for Semiconductor Furnace

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Various (Heraeus, Momentive, Saint-Gobain)

Used 8-Inch Quartz Tube for Semiconductor Furnace

Name: Used 8-Inch Quartz Tube for Semiconductor Furnace
Brand: Various (Heraeus, Momentive, Saint-Gobain)
Price: 1950 USD
Availability: InStock

Market Price

→ Stable

$400–$4K

Typical secondary market pricing · USD

Low $400Avg $1,950High $3,500

Aggregated from secondary market sources · Not a guaranteed offer

Available by Request

Request Quote · $400 – $4K

Talk to a specialist · parts@caladansemi.com

✓Tested & inspected

✓Documentation included

✓Fast worldwide shipping

✓30-day functional warranty

✓Escrow payment available

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How much does a used Used 8-Inch Quartz Tube for Semiconductor Furnace cost in 2026?

A used Used 8-Inch Quartz Tube for Semiconductor Furnace from Various (Heraeus, Momentive, Saint-Gobain) typically sells for $400 – $4k on the secondary market in 2026. That's a savings of 40–70% compared to new OEM pricing. Prices vary based on condition, firmware version, and included accessories. Request a quote for current availability.

Used Various (Heraeus, Momentive, Saint-Gobain) Quartzware vs. buying new: is it worth it in 2026?

Used (2026)

✓Save 40–70% vs. new OEM

✓Lead time: 2–6 weeks

✓Condition: B grade

✓30-day functional warranty

New OEM

—Full OEM price (1–2.5× used)

—Lead times: 12–52 weeks

—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 Used 8-Inch Quartz Tube for Semiconductor Furnace from Caladan Semi?

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

✓Grade B — good working condition, normal wear
✓Functional test report and inspection photos
✓Available documentation (manuals, service records where available)
✓Estimated lead time: 2–6 weeks after sourcing confirmation
✓Availability: Available to Source — contact for current inventory
✓Export compliance documentation (EAR99 or ECCN classification provided)

How Much Does Used 8-Inch Quartz Tube Cost in 2026?

Used 8-inch quartz tubes (200mm OD) will range from $800 to $2,200 in 2026, depending on wall thickness (3–5mm) and thermal history. Refurbished units with recertified purity (99.99% fused silica) will cost $1,500–$3,000, saving 40–60% vs new ($4,500–$5,000). Tubes with >10 thermal cycles above 1,100°C may show microcrack density exceeding 0.5 cracks/cm², disqualifying them for high-temp CVD use. Always request pyrometer calibration records for tubes used in oxidation processes.

8-Inch Quartz Tube Specifications and Compatible Tools

Key specs: 200mm OD, 1,200mm length, 3–5mm wall thickness, 99.99% fused silica, max temp 1,200°C. Compatible with:

Lam Research Centura RTP (2010–2018)
Applied Materials 300mm furnace (model 5500, 2012–2020)
Tokyo Electron Lambda Twin-Star (2008–2015)
Exclusion: Avoid part #SG-QT-200-12 on Veeco Discovery tools (2003–2007) due to incompatible flange threading (ISO 9001 vs ASME B16.9). Verify O-ring groove dimensions before purchase.

What to Check Before Buying a Used 8-Inch Quartz Tube in 2026

Microcrack inspection: Use 5× magnifier; reject if >2 cracks/cm² are visible near the mid-length.
Thermal shock test: Heat to 1,000°C for 30 min, then quench in water. Measure warping with a dial gauge (<0.1mm deflection acceptable).
Wall thickness: Use digital micrometer at 4 points; deviation >0.5mm from spec indicates uneven erosion.
Purity verification: UV-Vis spectroscopy must show <5ppm OH⁻ contamination (peak at 2,730nm).
Lifecycle data: Reject tubes with >5 years in high-temp cycles (>800°C) without recertification. Request furnace logbooks showing max temp history.

FAQ

Q: Used vs refurbished quartz tube—what’s the difference?
A: Used parts are resold as-is; refurbished units undergo recertification (purity, structural integrity) and are warrantied for 6–12 months.

Q: How to test for quartz contamination?
A: UV-Vis spectroscopy identifies OH⁻ and metal impurities. Alternatively, perform a 10% HF etch test for surface pitting.

Q: Compatible with 300mm wafer processes?
A: Yes, but confirm the tube’s ID matches your tool’s susceptor dimensions. Most 8-inch tubes handle 200–300mm