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99.3% Alumina Ceramic Arc Crucible, 500 mL
Product Type: Alumina Ceramic Arc Crucible
Research-grade laboratory product
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LABORATORY PROCUREMENT SUPPORT
For model selection, accessory matching, platform compatibility or configuration confirmation, contact our technical sales team.
INQUIRY: inquiry@atomfair.com
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Manufacturer: Atomfair LLC
Brand: ATOMFAIR®
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The 99.3% alumina ceramic body exhibits thermal shock sensitivity and mechanical brittleness characteristic of high-purity ceramic materials. Dimensional tolerances must be verified against the receiving holder or process setup before use.
- Thermal Cycling Constraint: Avoid rapid temperature changes exceeding 200°C per minute to prevent thermal stress cracking in the 99.3% alumina ceramic body.
- Mechanical Handling Constraint: Use padded or non-marring gripping tools when handling the crucible to prevent edge chipping or fracture from point loads.
- Chemical Compatibility Constraint: Do not use with hydrofluoric acid or strong alkali fluxes that can etch or dissolve the alumina ceramic matrix.
Precondition the crucible by slow ramp heating to the target process temperature to minimize thermal stress. Load material only after the crucible has stabilized at the operating temperature.
Required Equipment: Furnace or kiln with programmable ramp rate, Ceramic tongs or padded gripping tool, Thermocouple or temperature probe
- Inspect crucible
Inspect the crucible for visible cracks, chips, or surface defects before first use. - Preheat crucible
Place the crucible in the furnace and ramp the temperature at no more than 5°C per minute to the target process temperature. - Stabilize temperature
Hold the crucible at the target temperature for at least 30 minutes to ensure uniform thermal distribution before loading material. - Load material
Transfer the sample material into the preheated crucible using a clean, dry spatula or scoop. - Cool crucible
Allow the crucible to cool naturally inside the furnace with the door closed until it reaches below 100°C before removal.
What are the dimensional constraints for integrating the 500 mL alumina ceramic arc crucible into an existing furnace or holder?
The crucible has a top outer diameter of 3.937 in (100 mm), a lower outer diameter of 2.362 in (60 mm), a height of 4.646 in (118 mm), and a wall thickness of 0.197 in (5 mm). These dimensions must be verified against the receiving holder or process setup to ensure proper clearance and fit before procurement.
Does the 99.3% alumina ceramic composition impose any handling or thermal cycling limitations for high-temperature arc melting applications?
The 99.3% alumina ceramic body provides high thermal stability and chemical inertness suitable for arc melting, but the specific thermal shock resistance and maximum operating temperature are not stated in the product description. Users should evaluate the crucible's wall thickness of 5 mm and overall geometry against their thermal cycling profile to avoid cracking from rapid temperature changes.
Is the 500 mL capacity crucible sold individually or as part of a multi-pack, and what is the price basis?
The product is priced on a 10-piece pack basis, meaning procurement should confirm the required quantity and pack size when requesting a quotation. The individual weight per piece is 600 g, which aids in estimating total shipping weight and handling logistics for bulk orders.
The 99.3% alumina ceramic arc crucible with 500 mL capacity provides a defined geometry for laboratory fit verification, with a 600 g weight and 10-piece pack basis that should be considered during procurement.
Positive
- 99.3% Alumina Ceramic Material: Supports procurement where alumina ceramic contact material is required, providing high-purity ceramic for laboratory crucible applications.
- Defined Outer Geometry for Fit: Specified top and lower outer diameters, height, and wall thickness enable dimensional verification for holder and workspace clearance.
Trade-offs
- Pack Quantity Requirement: Price basis is a 10-piece pack, which may require purchasing in multiples of ten, potentially exceeding single-unit needs.
- Weight per Piece at 600 g: Each crucible weighs 600 g, which may influence handling, mounting, and shipping logistics for lab deployment.
Every advanced material, component, equipment, and instrument in our catalog is backed by rigorous testing. We maintain strict internal quality management frameworks and align with CE conformity metrics to deliver transparent, reproducible performance data via our public open-science repository.
To request raw batch performance data, submit formal vendor registration paperwork, or execute a fast-turnaround R&D manufacturing loop, contact us at inquiry@atomfair.com.
Item is dispatched under the Atomfair Shipping & Delivery Framework (Free worldwide shipping on orders over $59 USD excl. heavy equipment). Return is governed by the Atomfair Return & Refund Policy (7-day technical return window).






